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Golding J, Bickerstaffe I, Iles-Caven Y, Northstone K. Paternal health in the first 12-13 years of the ALSPAC study. Wellcome Open Res 2024; 8:8. [PMID: 37476649 PMCID: PMC10354460 DOI: 10.12688/wellcomeopenres.18639.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/18/2024] [Indexed: 07/22/2023] Open
Abstract
The Avon Longitudinal Study of Parents and Children (ALSPAC) collected information from the enrolled pregnancy onwards to identify features of the environment in which the study child was brought up. Among data collected were features concerning the health of the mothers' partners - generally the study father. This was an important feature since the father's physical and mental health can have a long-term effect on the family. In this Data Note we describe the data available on the father's health from pregnancy until 12 years after the offspring was born. Not only is this a valuable addition to the environmental information available for studies of the child's development and the mental health of the mother over time, but it will provide a useful description of the father himself during adulthood.
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Affiliation(s)
- Jean Golding
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Iain Bickerstaffe
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Yasmin Iles-Caven
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Kate Northstone
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
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Gregory S, Iles-Caven Y, Northstone K, Golding J. Childhood life events of women enrolled in the Avon Longitudinal Study of Parents & Children (ALSPAC). Wellcome Open Res 2023; 8:294. [PMID: 37635754 PMCID: PMC10457554 DOI: 10.12688/wellcomeopenres.19459.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/13/2023] [Indexed: 08/29/2023] Open
Abstract
At the time of planning ALSPAC there was accumulating evidence that abuse and other childhood traumas were related to psychiatric problems later in life. In addition, the age at which such trauma occurred was likely to be important in influencing its long-term impact. Detailed data was therefore collected from enrolled women on traumatic events occurring during their own childhoods, along with their age at the time. The questionnaire entitled 'About Yourself' was sent out to expectant women who had enrolled in the study, which included a page in the form of a grid (an events diary) with one row per year of childhood and columns for recording where she was living at the time, who was looking after her, and any traumatic events that occurred. These free-text responses were then coded, and any events were assigned a score indicating the level of trauma the event was likely to have caused on a scale of 1 (highly traumatic) to 6 (least traumatic). This paper describes the variety of text data collected and how it was coded. The ALSPAC study has a great deal of follow-up data collected on the original respondents, as well as on their parents and grandparents, partners, offspring and their grandchildren, providing huge potential for analyses on the antecedents and outcomes of adverse childhood events across multiple generations.
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Affiliation(s)
- Steven Gregory
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, England, BS8 2BN, UK
| | - Yasmin Iles-Caven
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, England, BS8 2BN, UK
| | - Kate Northstone
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, England, BS8 2BN, UK
| | - Jean Golding
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, England, BS8 2BN, UK
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Tohidinik HR, Ben-Shlomo Y, Major-Smith D, Goulding N, Iles-Caven Y, Golding J, Northstone K, Fraser A. Quality of relationships in mothers and their partners in the Avon Longitudinal Study of Parents and Children. Wellcome Open Res 2023; 8:62. [PMID: 37881255 PMCID: PMC10594051 DOI: 10.12688/wellcomeopenres.18835.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/06/2023] [Indexed: 10/27/2023] Open
Abstract
Quality of relationship between partners is associated with a wide range of physical and psychological outcomes like anxiety and depression. There are relatively few longitudinal studies with detailed and repeated measures for quality of relationship, particularly in both partners. The Avon Longitudinal Study of Parents and Children (ALSPAC) is a large birth cohort study in the UK with five post-partum repeated measures of quality of relationship between mothers and their partners assessed using the Intimate Bond Measure (IBM). The Measure includes two subscales named "Care" and "Control". These were measured at 2.75, 6, 9, 12, and 18 years post-partum (baseline N for mothers: 8675; baseline N for partners: 5499). The aims of this data note are to provide a comprehensive overview on the existing IBM data in ALSPAC and to describe both its strengths and limitations for future users. The internal consistency of the subscales were high (Cronbach's alpha 0.95 and 0.88 for the Care and Control subscales) in both mothers and their partners at the baseline. In the Care subscale, all 12 items were highly correlated with the overall score (r>0.62) at the baseline, but in the Control subscale there were three items that had relatively low correlations with the total subscale (r<0.46). This should be taken into account in future research. The longitudinal nature of this data on both mothers and partners will enable detailed explorations of the causes and consequences of differences in quality of relationship.
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Affiliation(s)
- Hamid Reza Tohidinik
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Yoav Ben-Shlomo
- Population Health Sciences, Bristol Medical School, Bristol, BS8 2PS, UK
| | - Daniel Major-Smith
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Neil Goulding
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Yasmin Iles-Caven
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Jean Golding
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Kate Northstone
- Population Health Sciences, Bristol Medical School, Bristol, BS8 2PS, UK
| | - Abigail Fraser
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
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Golding J, Tunstall H, Gregory S, Granell R, Dodd JW, Iles-Caven Y, Watkins S, Suderman M. A history of asthma may be associated with grandparents' exposures to stress and cigarette smoking. Front Toxicol 2023; 5:1253442. [PMID: 37808180 PMCID: PMC10556739 DOI: 10.3389/ftox.2023.1253442] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Accepted: 08/25/2023] [Indexed: 10/10/2023] Open
Abstract
Introduction: Within human epidemiological studies, associations have been demonstrated between grandparental exposures during childhood and grandchildren's outcomes. A few studies have assessed whether asthma has ancestral associations with exposure to cigarette smoking, but results have been mixed so far. Material and methods: In this study we used four generations: (F0 great-grandparents, F1 grandparents, F2 parents, F3 study children) of the Avon Longitudinal Study of Parents and Children (ALSPAC) to determine whether there is evidence of associations between asthma in generations F2 or F3 and exposures to severe trauma in childhood and/or active cigarette smoking during the adolescence of grandmothers and grandfathers in generations F0 and F1 respectively, or of a history of a F0 or F1 grandmother smoking during pregnancy. Results: We have shown that: a) stress exemplified by the death of a F1 grandparent's parent during the grandparents' childhood was associated with increased risk of asthma in generation F3, especially if the grandparent involved was the paternal grandmother; b) if the grandparents of generations F0 or F1 smoked during adolescence (i.e. < 17 years), their grandchildren in generations F2 and F3 were more likely to have a history of asthma; c) paternal F1 grandmother's smoking in pregnancy was associated with her F3 grandchild's asthma at age 7; d) There were differences between the results for the grandsons and granddaughters of the paternal grandmother with exposure to smoking in adolescence and with smoking in pregnancy. e) The addition of all of the individual exposure variables to the different analyses often provided a considerable increase in goodness of fit compared with only adding demographic factors associated with asthma at P < 0.10 such as social class; this was particularly true when all four exposure variables were combined in one model, suggesting possible synergistic effects between them. Discussion: We have shown associations between all four types of exposure to the grandparents to be associated with asthma in the grandchildren, such that the results both depended on whether the male or female line was involved, and the sex of the grandchildren. It was notable that the paternal grandmother was particularly involved in many of the associations. We emphasize that these are exploratory analyses, that asthma diagnostic criteria likely changed over time and may not be consistent between generations, and that the results should be tested in other cohorts.
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Affiliation(s)
- Jean Golding
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Holly Tunstall
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Steve Gregory
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Raquel Granell
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - James W. Dodd
- Academic Respiratory Unit, Translational Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Yasmin Iles-Caven
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Sarah Watkins
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Matthew Suderman
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
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Major-Smith D, Morgan J, Halstead I, Tohidinik HR, Iles-Caven Y, Golding J, Northstone K. Demographic and socioeconomic predictors of religious/spiritual beliefs and behaviours in a prospective cohort study (ALSPAC) in Southwest England: Results from the parental generation. Wellcome Open Res 2023; 7:159. [PMID: 37565043 PMCID: PMC10410183 DOI: 10.12688/wellcomeopenres.17897.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/18/2023] [Indexed: 08/12/2023] Open
Abstract
Background: We explored associations between possible demographic and socioeconomic causes of religious/spiritual beliefs and behaviours (RSBB) in the parental generation of the Avon Longitudinal Study of Parents and Children (ALSPAC). Methods : We used a prospective birth cohort study (ALSPAC) in Southwest England with 14,157 enrolled mothers and 14,154 associated partners. Three RSBB outcome measures collected during pregnancy were examined: religious belief (belief in God/a divine power; yes/not sure/no), religious affiliation (Christian/none/other) and religious attendance (frequency of attendance at a place of worship). Multiple demographic and socioeconomic exposures were assessed (23 in mothers and 22 in partners). We explored age-adjusted associations between each exposure and outcome using multinomial regression, in addition to exposure-age interactions. Results: Many demographic and socioeconomic factors were associated with RSBB, including age, ethnicity, marital status, education, income and deprivation. Overall, higher socioeconomic position was associated with increased levels of RSBB, particularly regarding religious attendance. For instance, compared to mothers with the lowest level of educational attainment, a degree-level education was associated with a six-fold increase in the relative risk ratio of religious attendance at least once a week, relative to not attending at all (RRR=5.90; 95% CI=[4.44; 7.86]). The magnitude of these associations often varied by outcome, e.g., income was associated with religious attendance, but only weakly with religious affiliation. Although results were demographically and socially patterned, overall effect sizes were relatively small, with a largest pseudo- R 2 value of 2.4%. Patterns of association were similar for mothers and partners. Conclusion: The observed positive association between socioeconomic position and RSBB is contrary to much previous theoretical and empirical work. Potential reasons for these differences are discussed, including cross-cultural variation in religiosity and state support, and differences between RSBB measures. This descriptive paper can also help inform future studies using these data regarding the consideration of appropriate confounders.
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Affiliation(s)
- Daniel Major-Smith
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol, UK
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Jimmy Morgan
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Isaac Halstead
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Hamid Reza Tohidinik
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Yasmin Iles-Caven
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Jean Golding
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Kate Northstone
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
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Iles-Caven Y, Gregory S, Northstone K, Golding J, Nowicki S. The beneficial role of personality in preserving well-being during the pandemic: A longitudinal population study. J Affect Disord 2023; 331:229-237. [PMID: 36965624 PMCID: PMC10035805 DOI: 10.1016/j.jad.2023.03.056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2022] [Revised: 03/10/2023] [Accepted: 03/18/2023] [Indexed: 03/25/2023]
Abstract
BACKGROUND The COVID-19 pandemic resulted in increased rates of mental health problems. We examined the possible role of the personality characteristic, Locus of Control (LOC), in moderating pandemic-induced stress. METHODS The UK-based Avon Longitudinal Study of Parents & Children (ALSPAC), 7021 adults (mean ages: women 57.6 (SD = 4.48); partners 60.5 (SD = 5.36)) responded to a 2020 questionnaire which included a generalised measure of LOC. Between March 2020-January 2021, questionnaires focussed on the pandemic were administered, which included measures of mental health. Over 60 % of respondents completed questionnaires at three timepoints of interest. RESULTS In those with an internal LOC higher rates of positive well-being and reduced likelihood of anxiety and depression were shown compared to those who were external, e.g. after adjustment for socioeconomic/demographic factors mean differences in well-being score for internal compared with external women was +2.01 (95%CI +1.02,+2.10) p = 0.0001; for their partners +2.52 (95%CI +1.22,+3.82) p = 0.0002. External women were more likely than internals to have depression (adjusted OR 3.41 [95%CI 1.77,6.57] p < 0.0005. LIMITATIONS Attrition is a problem in this 30-year-old longitudinal cohort. Those still participating are more likely to have higher education and SES levels, be female and have an internal LOC. This population suffers from a lack of ethnic diversity. CONCLUSIONS Having an internal LOC positively moderated the effects of pandemic-induced stress on the frequency of anxiety and depression in middle-age. Programmes geared to raise internality and coping strategies may have long-term benefits on well-being in stressful situations, especially for women and frontline health professionals.
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Affiliation(s)
- Yasmin Iles-Caven
- Population Health Sciences, Bristol Medical School, University of Bristol, UK.
| | - Steven Gregory
- Population Health Sciences, Bristol Medical School, University of Bristol, UK
| | - Kate Northstone
- Population Health Sciences, Bristol Medical School, University of Bristol, UK
| | - Jean Golding
- Population Health Sciences, Bristol Medical School, University of Bristol, UK
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Hall A, Maw R, Iles-Caven Y, Gregory S, Rai D, Golding J. Associations between autistic traits and early ear and upper respiratory signs: a prospective observational study of the Avon Longitudinal Study of Parents and Children (ALSPAC) geographically defined childhood population. BMJ Open 2023; 13:e067682. [PMID: 37094879 DOI: 10.1136/bmjopen-2022-067682] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/26/2023] Open
Abstract
OBJECTIVE To determine whether early ear and upper respiratory signs are associated with the development of high levels of autistic traits or diagnosed autism. DESIGN Longitudinal birth cohort: Avon Longitudinal Study of Parents and Children (ALSPAC). SETTING Area centred on the city of Bristol in Southwest England. Eligible pregnant women resident in the area with expected date of delivery between April 1991 and December 1992 inclusive. PARTICIPANTS 10 000+ young children followed throughout their first 4 years. Their mothers completed three questionnaires between 18-42 months recording the frequency of nine different signs and symptoms relating to the upper respiratory system, as well as ear and hearing problems. OUTCOME MEASURES Primary-high levels of autism traits (social communication, coherent speech, sociability, and repetitive behaviour); secondary-diagnosed autism. RESULTS Early evidence of mouth breathing, snoring, pulling/poking ears, ears going red, hearing worse during a cold, and rarely listening were associated with high scores on each autism trait and with a diagnosis of autism. There was also evidence of associations of pus or sticky mucus discharge from ears, especially with autism and with poor coherent speech. Adjustment for 10 environmental characteristics made little difference to the results, and substantially more adjusted associations were at p<0.001 than expected by chance (41 observed; 0.01 expected). For example, for discharge of pus or sticky mucus from ears the adjusted odds ratio (aOR) for autism at 30 months was 3.29 (95% CI 1.85 to 5.86, p<0.001), and for impaired hearing during a cold the aOR was 2.18 (95% CI 1.43 to 3.31, p<0.001). CONCLUSIONS Very young children exhibiting common ear and upper respiratory signs appear to have an increased risk of a subsequent diagnosis of autism or demonstrated high levels of autism traits. Results suggest the need for identification and management of ear, nose and throat conditions in autistic children and may provide possible indicators of causal mechanisms.
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Affiliation(s)
- Amanda Hall
- Life and Health Sciences, Aston University, Birmingham, UK
| | | | | | - Steven Gregory
- Bristol Medical School (PHS), University of Bristol, Bristol, UK
| | - Dheeraj Rai
- Centre for Academic Mental Health, Bristol Medical School, University of Bristol, Bristol, UK
| | - Jean Golding
- Bristol Medical School (PHS), University of Bristol, Bristol, UK
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Gregory S, Suderman M, Northstone K, Pembrey M, Watkins S, Iles-Caven Y, Golding J. Regular smoking of male ancestors in adolescence and fat mass in young adult grandchildren and great-grandchildren. Wellcome Open Res 2023; 7:184. [PMID: 36320451 PMCID: PMC9597126 DOI: 10.12688/wellcomeopenres.17950.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/15/2023] [Indexed: 03/25/2023] Open
Abstract
Background: Previous studies using the Avon Longitudinal Study of Parents and Children (ALSPAC) have shown that if men commenced smoking prior to the onset of puberty their sons, their granddaughters and great-granddaughters were more likely to have excess fat (but not lean) mass during childhood, adolescence and early adulthood. In this study we assess associations between ancestral smoking during adolescence (ages 11-16 years) with fat and lean mass of subsequent generations at two ages. Methods: We analysed data on exposures of grandparents and great-grandparents collected by ALSPAC. The outcomes were the fat masses of their grandchildren and great-grandchildren measured at ages 17 and 24. Measures of lean mass were used as controls. Adjustment was made for 8-10 demographic factors using multiple regression. Results: We found associations between adolescent smoking of the paternal grandfathers and the adjusted fat mass of their grandchildren, but no associations with the grandchildren's lean mass. Grandchildren at age 17 had an average excess fat mass of +1.65 [95% CI +0.04, +3.26] Kg, and at age 24 an average excess of +1.55 [95% CI -0.27, +3.38] Kg. Adolescent smoking by the maternal grandfather showed similar, but weaker, associations: at 17 an average excess fat mass of +1.02 Kg [95% CI -0.20, +2.25] Kg, and at 24 an average excess of +1.28 [95% CI -0.11, +2.66] Kg. There were no pronounced differences between the sexes of the children. For the great-grandparents there were few convincing results, although numbers were small. Conclusions: We have shown associations between grandfathers' smoking in adolescence and increased fat (but not lean) mass in their children. Confirmation of these associations is required, either in a further data set or by demonstrating the presence of supportive biomarkers.
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Affiliation(s)
- Steven Gregory
- Bristol Medical School (Population Health Sciences), University of Bristol, Bristol, Bristol, BS8 2BN, UK
| | - Matthew Suderman
- Bristol Medical School (Population Health Sciences), University of Bristol, Bristol, Bristol, BS8 2BN, UK
| | - Kate Northstone
- Bristol Medical School (Population Health Sciences), University of Bristol, Bristol, Bristol, BS8 2BN, UK
| | - Marcus Pembrey
- Bristol Medical School (Population Health Sciences), University of Bristol, Bristol, Bristol, BS8 2BN, UK
| | - Sarah Watkins
- Bristol Medical School (Population Health Sciences), University of Bristol, Bristol, Bristol, BS8 2BN, UK
| | - Yasmin Iles-Caven
- Bristol Medical School (Population Health Sciences), University of Bristol, Bristol, Bristol, BS8 2BN, UK
| | - Jean Golding
- Bristol Medical School (Population Health Sciences), University of Bristol, Bristol, Bristol, BS8 2BN, UK
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Tohidinik HR, Ben-Shlomo Y, Major-Smith D, Goulding N, Iles-Caven Y, Golding J, Northstone K, Fraser A. Quality of relationships in mothers and their partners in the Avon Longitudinal Study of Parents and Children. Wellcome Open Res 2023. [DOI: 10.12688/wellcomeopenres.18835.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
Quality of relationship between partners is associated with a wide range of physical and psychological outcomes like anxiety and depression. There are relatively few longitudinal studies with detailed and repeated measures for quality of relationship, particularly in both partners. The Avon Longitudinal Study of Parents and Children (ALSPAC) is a large birth cohort study in the UK with five post-partum repeated measures of quality of relationship between mothers and their partners assessed using the Intimate Bond Measure (IBM). The Measure includes two subscales named “Care” and “Control”. These were measured at 2.75, 6, 9, 12, and 18 years post-partum (baseline N for mothers: 8675; baseline N for partners: 5499). The aims of this data note are to provide a comprehensive overview on the existing IBM data in ALSPAC and to describe both its strengths and limitations for future users. The internal consistency of the subscales were high (Cronbach's alpha 0.95 and 0.88 for the Care and Control subscales) in both mothers and their partners at the baseline. In the Care subscale, all 12 items were highly correlated with the overall score (r>0.62) at the baseline, but in the Control subscale there were three items that had relatively low correlations with the total subscale (r<0.46). This should be taken into account in future research. The longitudinal nature of this data on both mothers and partners will enable detailed explorations of the causes and consequences of differences in quality of relationship.
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Golding J, Gregory S, Northstone K, Pembrey M, Ellis G, Watkins S, Iles-Caven Y, Suderman M. Possible transgenerational associations between grandparents’ childhood exposures and religious belief in their granddaughters: a longitudinal cohort study. Wellcome Open Res 2023. [DOI: 10.12688/wellcomeopenres.18049.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
Background: Research in non-genetic inheritance indicates that grandparents’ smoking habits and their childhood experiences of trauma can influence the physical and psychological attributes of their grandchildren. This was particularly apparent for outcomes such as autism and obesity where the population prevalence changed over time. Other factors which have changed temporally include religious and spiritual beliefs (RSBs) which have been declining in Western populations. Methods: We used data from the Avon Longitudinal Study of Parents and Children (ALSPAC) to explore whether grandparental exposures were associated with the religious and/or spiritual beliefs of their grandchildren as measured with a positive response to the question “Do you believe in God or some divine power?” . In line with other inter/trans-generational human studies we hypothesised that: (H1) grandparents’ childhood exposures to cigarette smoking (whether in utero or by active smoking) and/or exposure to traumatic events during childhood will be associated with their grandchild’s RSB; (H2) associations will differ between maternal and paternal lines of inheritance; (H3) relationships will vary with age at grandparental exposure, and (H4) associations will differ between grandsons and granddaughters. Results: We found significant associations between the grandchild’s RSB and both the grandparents’ smoking and their childhood trauma histories (H1 supported). These associations were mainly found down the maternal line (H2 possibly supported) and results varied with age of exposure of the grandparents; being strongest for in utero exposure of cigarette smoke and for pre-puberty exposure of traumatic events (H3 supported), and that granddaughters were more affected than grandsons (H4 supported). Conclusions: We hope that these results will motivate collection of similar data to further evaluate these questions in other populations, including a possible role for biological mechanisms.
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Ellis G, Iles-Caven Y, Northstone K, Golding J. The external housing environment of participants in the Avon Longitudinal Study of Parents and Children (ALSPAC): a resource for studies of influences on health. Wellcome Open Res 2022; 7:232. [PMID: 37928612 PMCID: PMC10624949 DOI: 10.12688/wellcomeopenres.17996.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/09/2022] [Indexed: 11/07/2023] Open
Abstract
Background: Early life environmental health exposures related to housing can have a significant impact on an individual's physical and mental health and physical development. Housing exposures can fall into two main areas - a representation of social circumstances and physical conditions. Methods: During pregnancy and post-delivery, self-completion questionnaires concerning the housing environment were administered to the ALSPAC (Avon Longitudinal Study of Parents & Children) study mothers and their partners until the study offspring were aged 18. Data collected included types of housing, housing tenure, numbers of rooms in the home, whether shared or sole use of kitchen and indoor flushing toilet, household moves, Council Tax band, difficulties in affording rent/mortgage and becoming homeless. Here we also describe the historic development of housing in the Bristol and surrounding Avon areas. Results: Data collected included the tenure (e.g., owned/rented) of the home, its size (indexed by the number of rooms), the presence of over-crowding (measured by the number of residents per room), presence of amenities, and frequency of household moves. This information was collected on over 13,000 women during pregnancy >8000 at age 10 and >4000 at 18 years. Council Tax bands were asked at 10 and 18 years. Conclusions: This is the first of two Data Notes on the housing type and housing circumstances of the families enrolled in ALSPAC. The second Data Note will detail their internal housing conditions. The data provides an excellent resource for researchers when considering the influences of housing on physical and mental health and development.
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Affiliation(s)
- Genette Ellis
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
| | - Yasmin Iles-Caven
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
| | - Kate Northstone
- Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
| | - Jean Golding
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
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Major-Smith D, Morgan J, Halstead I, Tohidinik HR, Goulding N, Iles-Caven Y, Golding J, Northstone K. Demographic and socioeconomic predictors of religious/spiritual beliefs and behaviours in a prospective cohort study (ALSPAC) in Southwest England: Results from the offspring generation. Wellcome Open Res 2022. [DOI: 10.12688/wellcomeopenres.18517.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Background: We explored associations between possible demographic and socioeconomic causes of religious/spiritual beliefs and behaviours (RSBB) in the offspring generation of the Avon Longitudinal Study of Parents and Children (ALSPAC). Methods: We examined approximately 4,450 offspring aged 28 years with RSBB data from a prospective birth cohort study (ALSPAC) in Southwest England. Three RSBB outcome measures were assessed: religious belief (belief in God/a divine power; yes/not sure/no), religious affiliation (Christian/none/other) and religious attendance (frequency of attendance at a place of worship). We explored age- and sex-adjusted associations between 35 demographic and socioeconomic exposures and each of the three RSBB outcomes using multinomial regression. Exposure-sex interactions were also examined. Results: Some sociodemographic factors were associated with RSBB in this cohort; for instance, being female and from an ethnicity other than White were associated with increased religiosity across all domains. For many other exposures, however, associations were frequently null or inconsistent, often depending on the specific exposure and outcome combination. As an example, higher educational attainment was associated with higher rates of religious attendance, but not with religious belief or affiliation; in contrast, higher income was associated with lower levels of religiosity. No consistent interactions between sex and the exposures on RSBB were found. Effect sizes were also rather weak, with most pseudo-R2 values below 0.5% and a maximum of 1.2%. Conclusions: The results highlight that several demographic and socioeconomic factors are associated with RSBB in this cohort. However, the number of these associations, and their magnitude, is smaller than comparable results from the parental generation of these offspring, suggesting that patterns of sociodemographic factors associated with RSBB differ between these generations. In addition to describing these associations, this paper will help inform future studies using these data, particularly regarding the choice of potential sociodemographic confounders.
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Iles-Caven Y, Gregory S, Bickerstaffe I, Northstone K, Golding J. Parental spiritual and religious beliefs and behaviour data collected from the Avon Longitudinal Study of Parents and Children, 2020. Wellcome Open Res 2022; 6:175. [PMID: 36101551 PMCID: PMC9437533 DOI: 10.12688/wellcomeopenres.17010.3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/23/2022] [Indexed: 12/02/2022] Open
Abstract
There are few studies that chart the ways in which the religious beliefs and practices of parents and their offspring vary over time. Even fewer can relate this to aspects of their physical and mental health or distinguish the different facets of the environment that may have influenced the development or loss of religious/spiritual belief and behaviours over time. This paper describes the recent data collection in the Avon Longitudinal Study of Parents and Children (ALSPAC) on the beliefs and behaviours of the study parents some 27-28 years after the first measures were collected. Questions that were previously administered to the mother and her partner on religion, spirituality, behaviours, and beliefs (RSBB) were repeated for the fourth time, together with enhanced data on RSBB. The new data are described and compared with previous responses. The most notable difference between the 9 year and the 2020 sweep was the increase of professed non-believers in both the mothers (17.5% vs 29.8%) and partners (31.9% vs. 45.3%). As expected, on each occasion study partners were less likely to acknowledge RSBB compared to the study mothers. In the latest sweep, respondents were less likely to be unsure if they believed and more likely to not believe. Responses to "Do you believe in God or a divine power?" in mothers ranged from 49.9% stating 'yes' antenatally to 43.5% doing so in 2020; 14.9% vs 29.8% for 'no' and 35.2% to 26.6% for 'not sure'. For partners, the corresponding figures are: 'yes' 37.0% vs. 30.0%; 'no' 28.6% vs. 45.3% and 'not sure' 34.5% vs. 24.6%. We plan to undertake detailed analyses of the antecedents and consequences of RBSS. All data are available for use by interested researchers.
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Affiliation(s)
- Yasmin Iles-Caven
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK, BS8 2BN, UK
| | - Steven Gregory
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK, BS8 2BN, UK
| | - Iain Bickerstaffe
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK, BS8 2BN, UK
| | - Kate Northstone
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK, BS8 2BN, UK
| | - Jean Golding
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK, BS8 2BN, UK
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Ellis G, Fraser A, Golding J, Iles-Caven Y, Northstone K. Maternal reports of morbidity during the index ALSPAC pregnancy. Wellcome Open Res 2022; 7:163. [DOI: 10.12688/wellcomeopenres.17900.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/24/2022] [Indexed: 11/27/2022] Open
Abstract
Within the ALSPAC (Avon Longitudinal Study of Parents and Children) resource, information concerning the health of the mother during pregnancy is available from three sources: (i) computerised data collected by midwives after the birth of the baby, known as the STORK database; (ii) data abstracted by ALSPAC staff from detailed medical obstetric records, and (iii) reports by mothers during pregnancy, and shortly after the birth using structured questionnaires completed at home. In this Data Note we focus on source (iii), and detail the information obtained from these mothers concerning their health, signs and symptoms together with medications and supplements taken during pregnancy. We also describe how the data can be accessed.
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Ellis G, Iles-Caven Y, Northstone K, Golding J. The housing environment of participants in the Avon Longitudinal Study of Parents and Children (ALSPAC): a resource for studies of influences on health. Wellcome Open Res 2022. [DOI: 10.12688/wellcomeopenres.17996.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background: Early life environmental health exposures related to housing can have a significant impact on an individual’s physical and mental health and physical development. Housing exposures can fall into two main areas – a representation of social circumstances and physical conditions. Methods: During pregnancy and post-delivery, self-completion questionnaires concerning the housing environment were administered until the study offspring were aged 18 to the ALSPAC (Avon Longitudinal Study of Parents & Children) study mothers and their partners. Data collected included types of housing, housing tenure, numbers of rooms in the home, whether shared or sole use of kitchen and indoor flushing toilet, household moves, Council Tax band, difficulties in affording rent/mortgage and becoming homeless. Here we also describe the historic development of housing in the Bristol and surrounding Avon areas. Results: Data collected included the tenure (e.g., owned/rented) of the home, its size (indexed by the number of rooms), the presence of over-crowding (measured by the number of residents per room), presence of amenities, and frequency of household moves. This information was collected on over 13,000 women during pregnancy >8000 at age 10 and >4000 at 18 years. Council Tax bands were asked at 10 and 18 years. Conclusions: This is the first of two Data Notes on the housing type and housing circumstances of the families enrolled in ALSPAC. A second Data Note will detail their internal housing conditions. The data provides an excellent resource for researchers when considering the influences of housing on physical and mental health and development.
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Iles-Caven Y, Gregory S, Bickerstaffe I, Northstone K, Golding J. Parental spiritual and religious beliefs and behaviour data collected from the Avon Longitudinal Study of Parents and Children, 2020. Wellcome Open Res 2022; 6:175. [PMID: 36101551 PMCID: PMC9437533 DOI: 10.12688/wellcomeopenres.17010.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/24/2022] [Indexed: 11/20/2022] Open
Abstract
There are few studies that chart the ways in which the religious beliefs and practices of parents and their offspring vary over time. Even fewer can relate this to aspects of their physical and mental health or distinguish the different facets of the environment that may have influenced the development or loss of religious/spiritual belief and behaviours over time. This paper describes the recent data collection in the Avon Longitudinal Study of Parents and Children (ALSPAC) on the beliefs and behaviours of the study parents some 27-28 years after the first measures were collected. Questions that were previously administered to the mother and her partner on religion, spirituality, behaviours, and beliefs (RSBB) were repeated for the fourth time, together with enhanced data on RSBB. The new data are described and compared with previous responses. The most notable difference between the 9 year and the 2020 sweep was the increase of professed non-believers in both the mothers (17.5% vs 29.8%) and partners (31.9% vs. 45.3%). As expected, on each occasion study partners were less likely to acknowledge RSBB compared to the study mothers. In the latest sweep, respondents were less likely to be unsure if they believed and more likely to not believe. Responses to "Do you believe in God or a divine power?" in mothers ranged from 49.9% stating 'yes' antenatally to 43.5% doing so in 2020; 14.9% vs 29.8% for 'no' and 35.2% to 26.6% for 'not sure'. For partners, the corresponding figures are: 'yes' 37.0% vs. 30.0%; 'no' 28.6% vs. 45.3% and 'not sure' 34.5% vs. 24.6%. We plan to undertake detailed analyses of the antecedents and consequences of RBSS. All data are available for use by interested researchers.
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Affiliation(s)
- Yasmin Iles-Caven
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK, BS8 2BN, UK
| | - Steven Gregory
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK, BS8 2BN, UK
| | - Iain Bickerstaffe
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK, BS8 2BN, UK
| | - Kate Northstone
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK, BS8 2BN, UK
| | - Jean Golding
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK, BS8 2BN, UK
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Golding J, Gregory S, Northstone K, Pembrey M, Ellis G, Watkins S, Iles-Caven Y, Suderman M. Possible transgenerational associations between grandparents’ childhood exposures and religious belief in their granddaughters: a longitudinal cohort study. Wellcome Open Res 2022. [DOI: 10.12688/wellcomeopenres.18049.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background: Research in non-genetic inheritance indicates that grandparents’ smoking habits and their childhood experiences of trauma can influence the physical and psychological attributes of their grandchildren. This was particularly apparent for outcomes such as autism and obesity where the population prevalence changed over time. Other factors which have changed temporally include religious and spiritual beliefs (RSBs) which have been declining in Western populations. Methods: We used data from the Avon Longitudinal Study of Parents and Children (ALSPAC) to explore whether grandparental exposures were associated with the religious and/or spiritual beliefs of their grandchildren. In line with other inter/trans-generational human studies we predicted that: (P1) grandparents’ childhood exposures to cigarette smoking (whether in utero or by active smoking) and/or exposure to traumatic events during childhood will be associated with their grandchild’s RSB; (P2) associations will differ between maternal and paternal lines of inheritance; (P3) relationships will vary with age at grandparental exposure, and (P4) associations will differ between grandsons and granddaughters. Results: We found significant associations between the grandchild’s RSB and both the grandparents’ smoking and their childhood trauma histories (P1 supported). These associations were mainly found down the maternal line (P2 possibly supported) and results varied with age of exposure of the grandparents; being strongest for in utero exposure of cigarette smoke and for pre-puberty exposure of traumatic events (P3 supported), and that granddaughters were more affected than grandsons (P4 supported). Conclusions: We hope that these results will motivate collection of similar data to further evaluate these questions in other populations, including a possible role for biological mechanisms.
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Gregory S, Suderman M, Northstone K, Pembrey M, Watkins S, Iles-Caven Y, Golding J. Regular smoking of male ancestors in adolescence and fat mass in young adult grandchildren and great-grandchildren. Wellcome Open Res 2022; 7:184. [PMID: 36320451 PMCID: PMC9597126 DOI: 10.12688/wellcomeopenres.17950.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/04/2022] [Indexed: 11/20/2022] Open
Abstract
Background: Previous studies using the Avon Longitudinal Study of Parents and Children (ALSPAC) have shown that if men commenced smoking prior to the onset of puberty their sons, their granddaughters and great-granddaughters were more likely to have excess fat (but not lean) mass during childhood, adolescence and early adulthood. In this study we assess associations between ancestral smoking during adolescence (ages 11-16 years) with fat and lean mass of subsequent generations at two ages. Methods: We analysed data on exposures of grandparents and great-grandparents collected by ALSPAC. The outcomes were the fat masses of their grandchildren and great-grandchildren measured at ages 17 and 24. Measures of lean mass were used as controls. Adjustment was made for 8-10 demographic factors using multiple regression. Results: We found associations between adolescent smoking of the paternal grandfathers and the adjusted fat mass of their grandchildren, but no associations with the grandchildren's lean mass. Grandchildren at age 17 had an average excess fat mass of +1.65 [95% CI +0.04, +3.26] Kg, and at age 24 an average excess of +1.55 [95% CI -0.27, +3.38] Kg. Adolescent smoking by the maternal grandfather showed similar, but weaker, associations: at 17 an average excess fat mass of +1.02 Kg [95% CI -0.20, +2.25] Kg, and at 24 an average excess of +1.28 [95% CI -0.11, +2.66] Kg. There were no pronounced differences between the sexes of the children. For the great-grandparents there were few convincing results, although numbers were small. Conclusions: We have shown associations between grandfathers' smoking in adolescence and increased fat (but not lean) mass in their children. Confirmation of these associations is required, either in a further data set or by demonstrating the presence of supportive biomarkers.
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Affiliation(s)
- Steven Gregory
- Bristol Medical School (Population Health Sciences), University of Bristol, Bristol, Bristol, BS8 2BN, UK
| | - Matthew Suderman
- Bristol Medical School (Population Health Sciences), University of Bristol, Bristol, Bristol, BS8 2BN, UK
| | - Kate Northstone
- Bristol Medical School (Population Health Sciences), University of Bristol, Bristol, Bristol, BS8 2BN, UK
| | - Marcus Pembrey
- Bristol Medical School (Population Health Sciences), University of Bristol, Bristol, Bristol, BS8 2BN, UK
| | - Sarah Watkins
- Bristol Medical School (Population Health Sciences), University of Bristol, Bristol, Bristol, BS8 2BN, UK
| | - Yasmin Iles-Caven
- Bristol Medical School (Population Health Sciences), University of Bristol, Bristol, Bristol, BS8 2BN, UK
| | - Jean Golding
- Bristol Medical School (Population Health Sciences), University of Bristol, Bristol, Bristol, BS8 2BN, UK
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Birmingham K, Iles-Caven Y, Golding J. ALSPAC parents' descriptions of childhood stresses in their parents and grandparents. Wellcome Open Res 2022; 6:115. [PMID: 35693334 PMCID: PMC9156897 DOI: 10.12688/wellcomeopenres.16732.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/10/2022] [Indexed: 12/04/2022] Open
Abstract
Background: There is evidence that childhood stresses or traumas influence individuals' descendants' health and wellbeing through epigenetic mechanisms. However, few longitudinal studies have details of such ancestral data. Methods: Nearly 7,000 parents of the original Avon Longitudinal Study of Parents and Children (ALSPAC) cohort completed questionnaires concerning their parents' and grandparents' childhoods. As part of a questionnaire validation exercise we conducted recorded interviews with 100 of these parents. Here we describe some of the vivid accounts from these interviews of stresses encountered by the parents' ancestors. Results: The interviews provided insights into the childhoods of two previous generations of this cohort, most of whom had lived through one, if not two, World Wars. Many children were brought up, not by their parents but by relatives or acquaintances and/or left home very young to 'go into service' or start work. A few interviewees had wealthy relatives with nannies and governesses and attended expensive boarding schools but by far the most frequent accounts were of poverty, often severe, with related lack of education and illiteracy, alcoholism and violence, alongside devastating effects of the World Wars. Conclusions: Although the interviews focussed on stresses in childhood and therefore the accounts seemed somewhat negative, many interviewees described their relatives as having secure, stable childhoods. Of the many struggling families though, the predominant impression was their remarkable resilience; all went on to have children or grandchildren who are stable enough to participate for three decades, entirely altruistically, in ALSPAC.
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Affiliation(s)
- Karen Birmingham
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
| | - Yasmin Iles-Caven
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
| | - Jean Golding
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
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Ellis G, Fraser A, Golding J, Iles-Caven Y, Northstone K. Maternal reports of morbidity during the index ALSPAC pregnancy. Wellcome Open Res 2022; 7:163. [DOI: 10.12688/wellcomeopenres.17900.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/19/2022] [Indexed: 11/20/2022] Open
Abstract
Within the ALSPAC (Avon Longitudinal Study of Parents and Children) resource, information concerning the health of the mother during pregnancy is available from three sources: (i) computerised data collected by midwives after the delivery of the baby, known as the STORK database; (ii) data abstracted by ALSPAC staff from detailed medical obstetric records, and (iii) reports by mothers during pregnancy, and shortly after delivery using structured questionnaires completed at home. In this Data Note we focus on source (iii), and detail the information obtained from these mothers concerning their health, signs and symptoms together with medications and supplements taken during pregnancy. We also describe how the data can be accessed.
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21
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Major-Smith D, Morgan J, Halstead I, Tohidinik HR, Iles-Caven Y, Golding J, Northstone K. Demographic and socioeconomic predictors of religious/spiritual beliefs and behaviours in a prospective cohort study (ALSPAC) in Southwest England: Results from the parental generation. Wellcome Open Res 2022. [DOI: 10.12688/wellcomeopenres.17897.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background: We explored associations between possible demographic and socioeconomic causes of religious/spiritual beliefs and behaviours (RSBB) in the parental generation of the Avon Longitudinal Study of Parents and Children (ALSPAC). Methods: We used a prospective birth cohort study (ALSPAC) in Southwest England with 14,157 enrolled mothers and 14,154 associated partners. Three RSBB outcome measures collected during pregnancy were examined: religious belief (belief in God/a divine power; yes/not sure/no), religious affiliation (Christian/none/other) and religious attendance (frequency of attendance at a place of worship). Multiple demographic and socioeconomic exposures were assessed (23 in mothers and 22 in partners). We explored age-adjusted associations between each exposure and outcome using multinomial regression, in addition to exposure-age interactions. Results: Many demographic and socioeconomic factors were associated with RSBB outcomes, including age, ethnicity, marital status, education, income and deprivation. Overall, higher socioeconomic position was associated with increased levels of RSBB, particularly regarding religious attendance. For instance, compared to mothers with the lowest level of educational attainment, a degree-level education was associated with six-fold increase in the relative risk ratio of religious attendance at least once a week, relative to not attending at all (RRR=5.90; 95% CI=[4.44; 7.86]). The magnitude of these associations often varied by outcome, e.g., income was associated with religious attendance, but not religious affiliation. Although results were demographically and socially patterned, overall effect sizes were relatively small, with a largest pseudo-R2 value of 2.4%. Patterns of association were similar for both mothers and partners. Conclusion: These findings demonstrate that numerous demographic and socioeconomic factors are associated with RSBB in this population. While additional work is needed to assess whether any of these associations are causal, this descriptive paper can help inform future studies using this data by considering appropriate confounders and thus attempt to minimise bias that confounding may introduce.
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Golding J, Pembrey ME, Gregory S, Suderman M, Iles-Caven Y, Northstone K. Paternal grandmother's smoking in pregnancy is associated with extreme aversion to bitter taste in their grandchildren. Environ Epigenet 2022; 8:dvac003. [PMID: 35299985 PMCID: PMC8923060 DOI: 10.1093/eep/dvac003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 11/30/2021] [Accepted: 12/23/2021] [Indexed: 06/14/2023]
Abstract
Although there are many examples in the experimental literature of an environmental exposure in one generation impacting the phenotypes of subsequent generations, there are few studies that can assess whether such associations occur in humans. The Avon Longitudinal Study of Parents and Children (ALSPAC) has, however, been able to determine whether there are associations between grandparental exposures and their grandchildren's development. Several of our studies, including sensitivity to loud noise, have shown associations between a grandmother smoking in pregnancy and the phenotype of the grandchild. These results were mostly specific to the sex of the grandchild and to whether the prenatal (i.e. during pregnancy) smoking occurred in the maternal or paternal grandmother. Here, we have used ancestral data on prenatal smoking among the grandmothers of the ALSPAC index children to examine possible effects on the grandchild's ability to detect the bitter taste of PROP (6 n-propylthiouracil), distinguishing between the 10% deemed 'extreme tasters', and the rest of the population (total N = 4656 children). We showed that grandchildren whose paternal (but not maternal) grandmothers had smoked in pregnancy were more likely than those of non-smoking grandmothers to be extreme tasters [odds ratio (OR) 1.28; 95% confidence interval (CI) 1.03, 1.59] and that this was more likely in granddaughters (OR 1.42; 95% CI 1.03, 1.95) than grandsons (OR 1.18; 95% CI 0.88, 1.60). This pattern of association between paternal foetal exposure and the granddaughter's development has been found with several other outcomes, suggesting that investigations should be undertaken to investigate possible mechanisms.
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Affiliation(s)
- Jean Golding
- **Correspondence address. Centre for Academic Child Health, Bristol Medical School (PHS), University of Bristol, Oakfield House, Oakfield Grove, Bristol BS8 2BN, UK. Tel: +44 117 3310198; E-mail:
| | - Marcus E Pembrey
- Population Health Science, Bristol Medical School, University of Bristol, Bristol, UK
| | - Steven Gregory
- Population Health Science, Bristol Medical School, University of Bristol, Bristol, UK
| | - Matthew Suderman
- Population Health Science, Bristol Medical School, University of Bristol, Bristol, UK
| | - Yasmin Iles-Caven
- Population Health Science, Bristol Medical School, University of Bristol, Bristol, UK
| | - Kate Northstone
- Population Health Science, Bristol Medical School, University of Bristol, Bristol, UK
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Birmingham K, Iles-Caven Y, Northstone K, Golding J. The ALSPAC fetal and neonatal resource: detailed data abstracted from the clinical records of the new-born. Wellcome Open Res 2021. [DOI: 10.12688/wellcomeopenres.17214.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
In a previous Data Note, we outlined the data obtained from clinical obstetric records concerning many details of the pregnancies resulting in the births of the children in the Avon Longitudinal Study of Parents and Children (ALSPAC). Here we describe the data that have been abstracted from medical records concerning the fetus and neonate. Full details concerning the selection biases regarding the data abstracted are outlined in the previous Data Note. The records that have been abstracted, and described in this Data Note, concern the health of the fetus (measured in relation to the results of fetal monitoring, presentation at various stages of pregnancy, and the method of delivery) as well as the status of the newborn immediately post-delivery. Details of signs, symptoms and treatments of this population of new-born babies, as recorded in the clinical records, are described for the time during which they were in hospital or under the care of a designated midwife. These data add depth to the information collected from elsewhere concerning this period of the child’s life: from the questionnaires completed at the time by the mother; and clinical details from neonatal intensive or special care units which will be detailed in a further Data Note.
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Golding J, Clark R, Gregory S, Ellis G, Suderman M, Iles-Caven Y, Pembrey ME. Unexpected Associations between the Number of FRAXE Repeats in Boys and Evidence of Diabetes in Their Mothers and Maternal Grandmothers. OBM Genet 2021; 5:15. [PMID: 35494534 PMCID: PMC7612666 DOI: 10.21926/obm.genet.2104141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
The FRAXE section of the FMR2 gene, located on the X chromosome, contains varying numbers of trinucleotide repeats; boys with over 200 repeats tend to have mild cognitive impairments, though this is rare. Little is known, however, concerning the phenotypes of individuals with smaller numbers of repeats. Here we answer the research question as to whether the health of ancestors of boys from whom the relevant X chromosome was inherited differed in any way according to the number of FRAXE repeats. Numbers of FRAXE repeats in 5057 boys from the Avon Longitudinal Study of Parents and Children (ALSPAC) were assessed. The distribution was bimodal, with the second smaller distribution starting at 22 repeats. We tested whether possession of 22+ repeats was associated with differences in the health of mothers (who share the X chromosome) and maternal grandmothers (half of whom share it). Female ancestors of boys with >21 repeats compared with <22 showed that maternal grandmothers (MGM) and mothers (M) had an increased risk of diabetes: MGM Type I odds ratio (OR) 2.40 [95%CI: 1.07,5.38]; MGM Type II OR 1.61 [0.96,2.70]; M OR 1.95 [0.96,3.94] using self-reported questionnaire measures. These results were confirmed from maternal medical records which revealed an increased level of diabetes [OR 2.40 (1.16,4.96)] and an increased risk of repeated glycosuria during pregnancy [OR 1.60 (1.08,2.36)]. We tested numbers of FRAXA repeats and showed no such associations, indicating that the findings were not associated with triploid repeats in general. If these findings are replicated elsewhere, there are at least three possible interpretations: (i) maternal diabetes/prediabetes results in an increased number of FRAXE repeats; (ii) women with high numbers of FRAXE repeats are at increased risk of diabetes; or (iii) some common factor, e.g. genomic instability, results in both diabetes and increased repeats.
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Affiliation(s)
- Jean Golding
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol BS8 2BN, U.K
| | - Rosie Clark
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol BS8 2BN, U.K
| | - Steven Gregory
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol BS8 2BN, U.K
| | - Genette Ellis
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol BS8 2BN, U.K
| | - Matthew Suderman
- MRC Integrative Epidemiology Unit, Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol BS8 2BN, U.K
| | - Yasmin Iles-Caven
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol BS8 2BN, U.K
| | - Marcus E. Pembrey
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol BS8 2BN, U.K
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Golding J, Pembrey M, Iles-Caven Y, Watkins S, Suderman M, Northstone K. Ancestral smoking and developmental outcomes: a review of publications from a population birth cohort†. Biol Reprod 2021; 105:625-631. [PMID: 34170302 PMCID: PMC8444670 DOI: 10.1093/biolre/ioab124] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 05/12/2021] [Indexed: 11/14/2022] Open
Abstract
The adverse effects on the child of maternal smoking in pregnancy is well-recognized, but little research has been carried out on the possible non-genetic effects of ancestral smoking prior to the pregnancy including parental initiation of cigarette smoking in their own childhoods or a grandmother smoking during pregnancy. Here, we summarize the studies that have been published mainly using data from the Avon Longitudinal Study of Parents and Children. We demonstrate evidence that ancestral smoking prior to or during pregnancy can often be beneficial for offspring health and both ancestor- and sex-specific. More specifically, we report evidence of (i) adverse effects of the father starting to smoke pre-puberty on his son's development; (ii) beneficial effects on the grandson if his maternal grandmother had smoked in pregnancy; and (iii) mainly adverse effects on the granddaughter when the paternal grandmother had smoked in pregnancy. The ancestor- and sex-specificity of these results are consistent with earlier studies reporting associations of health and mortality with ancestral food supply in their parents' and grandparents' pre-pubertal childhoods.
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Affiliation(s)
- Jean Golding
- Public Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Marcus Pembrey
- Public Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Yasmin Iles-Caven
- Public Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Sarah Watkins
- Public Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Matthew Suderman
- Public Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - Kate Northstone
- Public Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
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Iles-Caven Y, Bickerstaffe I, Northstone K, Golding J. Spiritual and religious beliefs and behaviour: data collected from 27/28-year-old offspring in the Avon Longitudinal Study of Parents and Children, 2019-2020. Wellcome Open Res 2021. [DOI: 10.12688/wellcomeopenres.17153.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Abstract
Religious/spiritual belief and practices have sometimes been demonstrated to have positive associations with outcomes such as coping with serious illness, anxiety, depression, negative life events and general well-being, and therefore warrants consideration in many facets of health research. For example, increasing secularisation evidenced, particularly in the West, may reflect increasing rates of depression and anxiety. Very few studies have charted the ways in which religious/spiritual beliefs and practices of parents and their offspring vary longitudinally or between generations. Avon Longitudinal Study of Parents and Children (ALSPAC) is one such study that can relate belief and practices with aspects of physical and mental health and/or distinguish the different facets of the environment that may influence the development, or inter-generational loss, of belief and behaviours. This paper describes the 2019-2020 data collection in the ALSPAC on the religious/spiritual beliefs and behaviours (RSBB) of the study offspring (born 1991/1992) at ages 27-28 years. Previously collected and new data on the offspring are described here and comparisons are made with identical data completed by their parents (mothers and their partners) in early 2020. The most striking observations are that in almost all aspects of RSBB the offspring of both sexes are more secular, especially when compared with their mothers. For example, 56.2% of offspring state that they do not believe in God, or a divine power compared with 26.6% of mothers and 45.3% of mothers’ partners. When asked about their type of religion, 65.4% of participants stated ‘none’, compared with 27.2% of mothers and 40.2% of partners. This confirms previous research reporting increasing secularisation from one generation to the next. As with the mothers and their partners, female offspring were more likely than males to believe in a divine power and to practice their beliefs.
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Iles-Caven Y, Gregory S, Bickerstaffe I, Northstone K, Golding J. Parental spiritual and religious beliefs and behaviour data collected from the Avon Longitudinal Study of Parents and Children, 2020. Wellcome Open Res 2021; 6:175. [PMID: 36101551 PMCID: PMC9437533 DOI: 10.12688/wellcomeopenres.17010.1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/30/2021] [Indexed: 11/20/2022] Open
Abstract
There are few studies that chart the ways in which the religious beliefs and practices of parents and their offspring vary over time. Even fewer can relate this to aspects of their physical and mental health or distinguish the different facets of the environment that may have influenced the development or loss of religious/spiritual belief and behaviours over time. This paper describes the recent data collection in the Avon Longitudinal Study of Parents and Children (ALSPAC) on the beliefs and behaviours of the study parents some 27-28 years after the first measures were collected. Questions that were previously administered to the mother and her partner on religion, spirituality, behaviours, and beliefs (RSBB) were repeated for the fourth time, together with enhanced data on RSBB. The new data are described and compared with previous responses. The most notable difference between the 9 year and the 2020 sweep was the increase of professed non-believers in both the mothers (17.5% vs 29.8%) and partners (31.9% vs. 45.3%). As expected, on each occasion study partners were less likely to acknowledge RSBB compared to the study mothers. In the latest sweep, respondents were less likely to be unsure if they believed and more likely to not believe. Responses to "Do you believe in God or a divine power?" in mothers ranged from 49.9% stating 'yes' antenatally to 43.5% doing so in 2020; 14.9% vs 29.8% for 'no' and 35.2% to 26.6% for 'not sure'. For partners, the corresponding figures are: 'yes' 37.0% vs. 30.0%; 'no' 28.6% vs. 45.3% and 'not sure' 34.5% vs. 24.6%. We plan to undertake detailed analyses of the antecedents and consequences of RBSS. All data are available for use by interested researchers.
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Affiliation(s)
- Yasmin Iles-Caven
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK, BS8 2BN, UK
| | - Steven Gregory
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK, BS8 2BN, UK
| | - Iain Bickerstaffe
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK, BS8 2BN, UK
| | - Kate Northstone
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK, BS8 2BN, UK
| | - Jean Golding
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK, BS8 2BN, UK
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Nowicki S, Iles-Caven Y, Kalechstein A, Golding J. Editorial: Locus of Control: Antecedents, Consequences and Interventions Using Rotter's Definition. Front Psychol 2021; 12:698917. [PMID: 34267714 PMCID: PMC8275955 DOI: 10.3389/fpsyg.2021.698917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Accepted: 06/08/2021] [Indexed: 11/13/2022] Open
Affiliation(s)
- Stephen Nowicki
- Department of Psychology, Emory University, Atlanta, GA, United States
| | - Yasmin Iles-Caven
- Bristol Medical School, Public Health Sciences, University of Bristol, Bristol, United Kingdom
| | - Ari Kalechstein
- Executive Mental Health, Inc., Los Angeles, CA, United States
| | - Jean Golding
- Bristol Medical School, Public Health Sciences, University of Bristol, Bristol, United Kingdom
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Birmingham K, Iles-Caven Y, Golding J. ALSPAC parents' descriptions of childhood stresses in their parents and grandparents. Wellcome Open Res 2021; 6:115. [PMID: 35693334 PMCID: PMC9156897 DOI: 10.12688/wellcomeopenres.16732.1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 04/30/2021] [Indexed: 08/29/2023] Open
Abstract
Background: There is evidence that childhood stresses or traumas influence individuals' descendants' health and wellbeing through epigenetic mechanisms. However, few longitudinal studies have details of such ancestral data. Methods: Nearly 7,000 parents of the original Avon Longitudinal Study of Parents and Children (ALSPAC) cohort completed questionnaires concerning their parents' and grandparents' childhoods. Validation of these questionnaires involved conducting recorded interviews with 100 of these parents. Results: The interviews provided insights into the childhoods of two previous generations of this cohort, most of whom had lived through one, if not two, World Wars. Many children were brought up, not by their parents but by relatives or acquaintances and/or left home very young to 'go into service' or start work. A few interviewees had wealthy relatives with nannies and governesses and attended expensive boarding schools but by far the most frequent accounts were of poverty, often severe, with related lack of education and illiteracy, alcoholism and violence, alongside devastating effects of the World Wars. Conclusions: Although the interviews focussed on stresses in childhood and therefore the accounts seemed somewhat negative, many interviewees described their relatives as having secure, stable childhoods. Of the many struggling families though, the predominant impression was their remarkable resilience; all went on to have children or grandchildren who are stable enough to participate for three decades, entirely altruistically, in ALSPAC.
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Affiliation(s)
- Karen Birmingham
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
| | - Yasmin Iles-Caven
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
| | - Jean Golding
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
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Golding J, van den Berg G, Northstone K, Suderman M, Ellis G, Iles-Caven Y, Gregory S, Pembrey M. Grandchild's IQ is associated with grandparental environments prior to the birth of the parents. Wellcome Open Res 2021; 5:198. [PMID: 33842694 PMCID: PMC8008356 DOI: 10.12688/wellcomeopenres.16205.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/18/2020] [Indexed: 11/20/2022] Open
Abstract
Background. Despite convincing animal experiments demonstrating the potential for environmental exposures in one generation to have demonstrable effects generations later, there have been few relevant human studies. Those that have been undertaken have demonstrated associations, for example, between exposures such as nutrition and cigarette smoking in the grandparental generation and outcomes in grandchildren. We hypothesised that such transgenerational associations might be associated with the IQ of the grandchild, and that it would be likely that there would be differences in results between the sexes of the grandparents, parents, and children. Method. We used three-generational data from the Avon Longitudinal Study of Parents and Children (ALSPAC). We incorporated environmental factors concerning grandparents (F0) and focussed on three exposures that we hypothesised may have independent transgenerational associations with the IQ of the grandchildren (F2): (i) UK Gross Domestic Product (GDP) at grandparental birth year; (ii) whether grandfather smoked; and (iii) whether the grandmother smoked in the relevant pregnancy. Potential confounders were ages of grandparents when the relevant parent was born, ethnic background, education level and social class of each grandparent. Results. After adjustment, all three target exposures had specific associations with measures of IQ in the grandchild. Paternal grandfather smoking was associated with reduced total IQ at 15 years; maternal grandfather smoking with reduced performance IQ at 8 years and reduced total IQ at 15. Paternal grandmother smoking in pregnancy was associated with reduced performance IQ at 8, especially in grandsons. GDP at grandparents' birth produced independent associations of reduced IQ with higher GDP; this was particularly true of paternal grandmothers. Conclusions. These results are complex and need to be tested in other datasets. They highlight the need to consider possible transgenerational associations in studying developmental variation in populations.
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Affiliation(s)
- Jean Golding
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | | | - Kate Northstone
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Matthew Suderman
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Genette Ellis
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Yasmin Iles-Caven
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Steve Gregory
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Marcus Pembrey
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
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Birmingham K, Gregory S, Iles-Caven Y, Fraser A, Lawlor D, Boyd A, Northstone K, Golding J. The mother during pregnancy and the puerperium: Detailed data abstracted from the clinical obstetric records of ALSPAC pregnancies. Wellcome Open Res 2021. [DOI: 10.12688/wellcomeopenres.16603.1] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background: When the Avon Longitudinal Study of Parents and Children (ALSPAC) was planned, it was assumed that the clinical obstetric data would be easily accessible from the newly developed National Health Service computerised ‘STORK’ system. Pilot studies, however, showed that, although fairly accurate in regard to aspects of labour and delivery, it was, at the time (1990-2), inadequate for identifying the full antenatal and postnatal details of clinical complications and treatments of the women in the Study. Methods: A scheme was therefore developed to train research staff to find and abstract relevant details from clinical records onto proformas designed for the purpose. Extracting such data proved very time consuming (up to six hours for complicated pregnancies) and consequently expensive. Funding for the enterprise was obtained piecemeal using specific focussed grants to extract data for subsamples of the Study, including a random sample to serve as controls. Results: To date, detailed records have been completed for 8369 pregnancies, and a further 5336 (13,705 in total) have complete details on specific prenatal areas, including serial measures of maternal blood pressure, proteinuria and weight. In this Data Note we describe the information abstracted from the obstetric medical records concerning the mother during pregnancy, labour, delivery and the first two weeks of the puerperium. Information abstracted relating to the fetus (including fetal monitoring, presentation, method of delivery) and neonate (signs of asphyxia, resuscitation, treatment and well-being) will be described in a further Data Note. Conclusions: These data add depth to ALSPAC concerning ways in which the signs and symptoms, procedures and treatments of the mother prenatally, intrapartum and postnatally, may impact on the long-term health and development of both mother and child. They augment the data collected from the mothers’ questionnaires and the ‘STORK’ digital hospital data.
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Golding J, Iles-Caven Y, Ellis G, Gregory S, Nowicki S. Are the early childhood antecedents of men's external locus of control similar to those of their female partners? Wellcome Open Res 2021; 3:28. [PMID: 30363869 PMCID: PMC6182670 DOI: 10.12688/wellcomeopenres.14098.2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/29/2021] [Indexed: 11/20/2022] Open
Abstract
Background: The concept of locus of control of reinforcement was introduced by Julian Rotter and has been the focus of intense research for nearly half a century. Surprisingly little research has been directed at clarifying antecedents of locus of control (LOC) orientations in adult men apart from a few small studies. We previously identified a number of independent antecedents associated with women's LOC, including features of their parents and early childhood. This raised the question as to whether these factors were also associated with the development of LOC in men. Methods: To identify antecedents of LOC orientations in a representative population of women we previously analysed information concerning characteristics of their parents and their own childhood experiences using pregnant women taking part in the Avon Longitudinal Study of Parents and Children (ALSPAC). Here we use the same design to determine whether their male partners have similar antecedents of LOC orientation. As previously, we use a hypothesis-free exposome technique using all available information on the parents and childhood of the individuals. Results: We show that men had many of the same antecedent characteristics as the women - in particular, their mother's year of birth and father's social group, being exposed to cigarette smoke prenatally, starting to smoke regularly before the age of 11, and having a friend die were all associated with being external. Associations of internality common to both were warm maternal care, being breast fed, being born in an area other than that where they currently live, attending boarding school and having a parent admitted to hospital. Conclusions: In general, the antecedents of male external and internal personalities have many similarities to those of women, thus providing some features to inform the possible theoretical background as to how LOC might develop over time.
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Affiliation(s)
- Jean Golding
- Centre for Child and Adolescent Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Yasmin Iles-Caven
- Centre for Child and Adolescent Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Genette Ellis
- Centre for Child and Adolescent Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Steven Gregory
- Centre for Child and Adolescent Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Stephen Nowicki
- Department of Psychology, Emory University, Atlanta, GA, GA30322, USA
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Golding J, Gregory S, Clark R, Iles-Caven Y, Ellis G, Taylor CM, Hibbeln J. Maternal prenatal vitamin B12 intake is associated with speech development and mathematical abilities in childhood. Nutr Res 2020; 86:68-78. [PMID: 33551260 PMCID: PMC7870459 DOI: 10.1016/j.nutres.2020.12.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 11/30/2020] [Accepted: 12/01/2020] [Indexed: 12/17/2022]
Abstract
Deficiencies of many nutrients in pregnancy have adverse effects on fetal brain development with consequent impaired cognitive function in childhood. However, it is unclear whether deficiencies of vitamin B12 prenatally are harmful to the developing fetus. We therefore used the Avon Longitudinal Study of Parents and Children to test the hypothesis that cognitive outcomes in childhood are reduced if their mothers consumed a diet low in vitamin B12 during pregnancy. A detailed exposome analysis was used to identify 9 factors independently associated with low vitamin B12 intake. These were taken into account in each of 26 outcome analyses. Results showed that the children of women with the lowest 10% intake of B12 were at increased risk of poor vocabulary at 24 months, reduced ability at combining words at 38 months, poor speech intelligibility at 6 years, poor mathematics comprehension at school years 4 and 6 (ages 8-9 and 10-11 years), and poor results on the national mathematics tests (age 13). There were no such significant adjusted associations for reading or spelling abilities, or for verbal or full-scale IQ (Intelligence Quotient) at 8 or at 15. Thus, we have confirmed that there are adverse effects on the child's development if the pregnant woman has a low intake of vitamin B12, and we have shown that these are specific to certain speech and mathematical abilities.
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Affiliation(s)
- Jean Golding
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, United Kingdom.
| | - Steven Gregory
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, United Kingdom
| | - Rosie Clark
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, United Kingdom
| | - Yasmin Iles-Caven
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, United Kingdom
| | - Genette Ellis
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, United Kingdom
| | - Caroline M Taylor
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, United Kingdom
| | - Joseph Hibbeln
- Department of Psychiatry, Barton Health, South Lake Tahoe, California, USA
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Iles-Caven Y, Northstone K, Golding J. Gestation at completion of prenatal questionnaires in ALSPAC. Wellcome Open Res 2020; 5:100. [PMID: 33102785 PMCID: PMC7569745 DOI: 10.12688/wellcomeopenres.15976.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/15/2020] [Indexed: 11/20/2022] Open
Abstract
Enrolling a cohort in pregnancy can be methodologically difficult in terms of structuring data collection. For example, some exposures of interest may be time-critical while other (often retrospective) data can be collected at any point during pregnancy. The Avon Longitudinal Study of Parents and Children (ALSPAC) is a prime example of such a cohort. ALSPAC aimed to enrol as many pregnant women as possible in a geographically defined area with an expected date of delivery between April 1991 and December 1992. The ideal was to enrol women as early in pregnancy as possible, and to collect information, when possible, at two fixed gestational periods (18 and 32 weeks). A variety of methods were used to enrol participants. Approximately 80% of eligible women resident in the study area were enrolled. Gestation at enrolment ranged from 4-41 (median = 14) weeks of pregnancy. Given this variation in gestation, we describe the various decisions that were made in regard to the timing of questionnaires to ensure that appropriate data were obtained from the pregnant women. 45% of women provided data during the first trimester; this is less than ideal but reflects the fact that many women do not acknowledge their pregnancy until the first trimester is safely completed. Data collection from women at specific gestations (18 and 32 weeks) was much more successful (80-85%). Unfortunately, it was difficult to obtain environmental data during the first trimester. Given the time critical nature of exposures during this trimester, researchers must take the gestational age at which environmental data was collected into account. This is particularly important for data collected using the questionnaire named ‘Your Environment’ (using data known as the A files).
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Affiliation(s)
- Yasmin Iles-Caven
- Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
| | - Kate Northstone
- Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
| | - Jean Golding
- Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
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Abstract
Enrolling a cohort in pregnancy can be methodologically difficult in terms of structuring data collection. For example, some exposures of interest may be time-critical while other (often retrospective) data can be collected at any point during pregnancy. The Avon Longitudinal Study of Parents and Children (ALSPAC) is a prime example of a cohort where certain data were collected at specific time points and others at variable times depending on the gestation at contact. ALSPAC aimed to enrol as many pregnant women as possible in a geographically defined area with an expected date of delivery between April 1991 and December 1992. The ideal was to enrol women as early in pregnancy as possible, and to collect information, when possible, at two fixed gestational periods (18 and 32 weeks). A variety of methods were used to enrol participants. Approximately 80% of eligible women resident in the study area were enrolled. Gestation at enrolment ranged from 4-41 (median = 14) weeks of pregnancy. Given this variation in gestation we describe the various decisions that were made in regard to the timing of questionnaires to ensure that appropriate data were obtained from the pregnant women. 45% of women provided data during the first trimester, this is less than ideal but reflects the fact that many women do not acknowledge their pregnancy until the first trimester is safely completed. Data collection from women at specific gestations (18 and 32 weeks) was much more successful (80-85%). Unfortunately, it was difficult to obtain environmental data during the first trimester. Given the time critical nature of exposures during this trimester, researchers must take the gestational age at which environmental data was collected into account. This is particularly important for data collected using the questionnaire named 'Your Environment' (using data known as the A files).
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Affiliation(s)
- Yasmin Iles-Caven
- Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
| | - Kate Northstone
- Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
| | - Jean Golding
- Population Health Sciences, Bristol Medical School, University of Bristol, Oakfield House, Oakfield Grove, Bristol, BS8 2BN, UK
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Golding J, van den Berg G, Northstone K, Suderman M, Ellis G, Iles-Caven Y, Gregory S, Pembrey M. Grandchild's IQ is associated with grandparental environments prior to the birth of the parents. Wellcome Open Res 2020; 5:198. [PMID: 33842694 PMCID: PMC8008356 DOI: 10.12688/wellcomeopenres.16205.1] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/17/2020] [Indexed: 12/14/2022] Open
Abstract
Background: In spite of convincing animal experiments demonstrating the potential for environmental exposures in one generation to have demonstrable effects generations later, there have been few relevant human studies. Those that have been undertaken have demonstrated associations, for example, between exposures such as nutrition and cigarette smoking in the grandparental generation and outcomes in grandchildren. We hypothesised that such transgenerational associations might be associated with the IQ of the grandchild, and that it would be likely that there would be differences in results between the sexes of the grandparents, parents and children. Methods: We used three-generational data from the Avon Longitudinal Study of Parents and Children (ALSPAC). We incorporated environmental factors concerning grandparents (F0) and focussed on three exposures that we hypothesised may have independent transgenerational associations with the IQ of the grandchildren (F2): (i) UK Gross Domestic Product (GDP) at grandparental birth year; (ii) whether the grandfather smoked; and (iii) whether the grandmother smoked in the relevant pregnancy. Potential confounders were ages of grandparents when the relevant parent was born, ethnic background, education level and social class of each grandparent. Results: After adjustment, all three target exposures had specific associations with measures of IQ in the grandchild. Paternal grandfather smoking was associated with reduced total IQ at 15 years; maternal grandfather smoking with reduced performance IQ at 8 years and reduced total IQ at 15. Paternal grandmother smoking in pregnancy was associated with reduced performance IQ at 8, especially in grandsons. GDP at grandparents' birth produced independent associations of reduced IQ with higher GDP; this was particularly true of paternal grandmothers. Conclusions: These results are complex and need to be tested in other datasets. They highlight the need to consider possible transgenerational associations in studying developmental variation in populations.
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Affiliation(s)
- Jean Golding
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | | | - Kate Northstone
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Matthew Suderman
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Genette Ellis
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Yasmin Iles-Caven
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Steve Gregory
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Marcus Pembrey
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
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Iles-Caven Y, Gregory S, Ellis G, Golding J, Nowicki S. The Relationship Between Locus of Control and Religious Behavior and Beliefs in a Large Population of Parents: An Observational Study. Front Psychol 2020; 11:1462. [PMID: 32670168 PMCID: PMC7330129 DOI: 10.3389/fpsyg.2020.01462] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Accepted: 06/02/2020] [Indexed: 11/13/2022] Open
Abstract
The purpose of the present study was to examine, in a large representative population, the association between self-reported religious beliefs, attitudes and behavior and locus of control (LOC) of reinforcement as defined by Rotter. Results of previous research have failed to clearly determine what, if any, associations existed. In this study, analyses showed individuals with an internal LOC were not only more likely to believe in a divine power, to admit a divine power helped them in the past, to ask for help from a divine power in the future, to attend places of worship more often than those who were external, but also that they were significantly more likely to maintain their religious beliefs and behaviors over a 6 year period compared to those with an external orientation. Additional exploratory analyses by gender revealed that compared to internal men, internal women were significantly more involved in all indicators of religious belief and action except for attending church weekly and obtaining help from religious leaders where internal men were higher. The present findings support the association between the generalized expectancy of LOC as defined by Rotter and religious beliefs, attitudes and behaviors.
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Affiliation(s)
- Yasmin Iles-Caven
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Steven Gregory
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Genette Ellis
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Jean Golding
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Stephen Nowicki
- Department of Psychology, Emory University, Atlanta, GA, United States
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Nowicki S, Rai D, Gregory S, Iles-Caven Y, Ellis G, Golding J. Parental locus of control and the failure to obtain a child diagnosis: a longitudinal cohort study. Wellcome Open Res 2020. [DOI: 10.12688/wellcomeopenres.15923.1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Background: Data from the Avon Longitudinal Study of Parents and Children (ALSPAC) were analysed to investigate associations between parents’ locus of control (LOC) and their use of their children’s symptoms to pursue a diagnosis of autism. Methods: Comparison of parental LOC obtained prenatally with various aspects of the child’s (<12 years) development, used the prevalence of four autistic traits, to ascertain the likelihood that they qualified for an autism diagnosis. Results: Parents with an external LOC had children who were more likely to demonstrate extreme levels of each of the four autistic traits (e.g. for social communication 8.9% of offspring of internal LOC versus 12.3% of external LOC mothers; P<0.0001). However, the rate of autism diagnosis was considerably greater if the mother was internal compared to external (13.3 v 9.6 per 1000). To determine whether the difference was autism specific, we compared parental LOC with children diagnosed with dyslexia and those with reading impairments. Although externals’ children had more reading impairment indicators than internals, this was not reflected by them being more likely to be diagnosed as dyslexic. Conclusions: We conclude that children of parents with an externally oriented LOC may be less likely to be diagnosed appropriately than children of internally oriented parents. Interventions to increase parental internality may improve the likelihood of appropriate diagnoses and hence an improvement in child well-being.
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Ellis G, Iles-Caven Y, Northstone K, Golding J. Traumatic childhood events of parents enrolled in the Avon Longitudinal Study of Parents and Children (ALSPAC). Wellcome Open Res 2020; 5:65. [PMID: 32411826 PMCID: PMC7199499 DOI: 10.12688/wellcomeopenres.15804.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 03/25/2020] [Indexed: 11/25/2022] Open
Abstract
Background: Early life experiences can have a significant impact on an individual's later behaviour, the way they view the world, their beliefs and their success at forming strong interpersonal relationships. These factors may subsequently influence the way that the individual may parent their children, which in turn may have an effect on their child's behaviour, mental health and world view. Research has linked early traumatic life experiences in the parent's childhood to disorganised attachment to their own child. In this paper we describe the data collected from parents enrolled in the Avon Longitudinal Study of Parents and Children (ALSPAC) on traumatic events experienced during their childhood, so that it can act as a resource for researchers in the future when considering outcomes on the adult, their children and grandchildren. Methods: Data were collected via multiple questionnaires completed by parents enrolled into the ALSPAC study. During pregnancy and post-delivery, questionnaires were administered between 1990 and 1992 via post to the study mothers and their partners. Data were collected on life events including bereavement, sexual abuse, physical abuse, abandonment, neglect, memories of childhood and accidents. Other reports of traumatic events in childhood were reported by parents using free text. This can be made available to researchers for coding on request.
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Affiliation(s)
- Genette Ellis
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Yasmin Iles-Caven
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Kate Northstone
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
| | - Jean Golding
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Bristol, BS8 2BN, UK
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Golding J, Gregory S, Ellis G, Iles-Caven Y, Nowicki S. Maternal Locus of Control in Pregnancy and Reading and Spelling Abilities of the Offspring: A Longitudinal Birth Cohort Study. Front Psychol 2020; 10:3094. [PMID: 32038434 PMCID: PMC6987428 DOI: 10.3389/fpsyg.2019.03094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 12/31/2019] [Indexed: 11/16/2022] Open
Abstract
Maternal locus of control (LOC) as measured in pregnancy has been shown to be associated with parenting attitudes and behaviors as well as with children’s comprehension of mathematical and scientific concepts. The present study evaluates whether the child’s emergent literacy skills are similarly associated with maternal LOC: i.e., do children of prenatally externally oriented mothers perform less well on literacy tasks compared with their peers whose mothers are prenatally internally oriented. Prenatal measures collected within a United Kingdom birth cohort (ALSPAC) including a maternal LOC measure together with behavior and lifestyle details were analyzed. Later in childhood, offspring at ages 7 and 9 were tested by ALSPAC for spelling, phoneme awareness, reading comprehension, speed and accuracy. All achievement test scores showed a deficit among children of prenatally externally oriented mothers as compared to children of internally controlled women. Further analysis found that differences in diet, lifestyle and mother/child activities mediated approximately 60% of the deficit between children of external and internal mothers. A sensitivity analysis using national reading test results demonstrated similar results with these children. If further research confirms a causal relationship, programs to increase internality in adolescent girls or newly pregnant women may result in long-term benefits to their future offspring.
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Affiliation(s)
- Jean Golding
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Steven Gregory
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Genette Ellis
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Yasmin Iles-Caven
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Stephen Nowicki
- Department of Psychology, Emory University, Atlanta, GA, United States
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Williams C, Suderman M, Guggenheim JA, Ellis G, Gregory S, Iles-Caven Y, Northstone K, Golding J, Pembrey M. Grandmothers' smoking in pregnancy is associated with a reduced prevalence of early-onset myopia. Sci Rep 2019; 9:15413. [PMID: 31659193 PMCID: PMC6817861 DOI: 10.1038/s41598-019-51678-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 10/02/2019] [Indexed: 12/30/2022] Open
Abstract
Myopia (near sightedness) is the most common vision disorder resulting in visual impairment worldwide. We tested the hypothesis that intergenerational, non-genetic heritable effects influence refractive development, using grandparental prenatal smoking as a candidate exposure. Using data from the Avon Longitudinal Study of Parents and Children (ALSPAC), we found that the prevalence of myopia at age 7 was lower if the paternal grandmother had smoked in pregnancy, an association primarily found among grandsons compared to granddaughters. There was a weaker, non-sex-specific, reduction in the prevalence of myopia at age 7 if the maternal grandmother had smoked in pregnancy. For children who became myopic later (between 7 and 15 years of age) there were no associations with either grandmother smoking. Differences between early and late-onset myopia were confirmed with DNA methylation patterns: there were very distinct and strong associations with methylation for early-onset but not later-onset myopia.
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Affiliation(s)
- Cathy Williams
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, Oakfield House, Oakfield Grove, University of Bristol, Bristol, BS8 2BN, UK.
| | - Matthew Suderman
- MRC Integrative Epidemiology Unit, Bristol Medical School, Oakfield House, Oakfield Grove, University of Bristol, Bristol, BS8 2BN, UK
| | - Jeremy A Guggenheim
- School of Optometry & Vision Sciences, Cardiff University, Maindy Road, Cardiff, CF24 4HQ, UK
| | - Genette Ellis
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, Oakfield House, Oakfield Grove, University of Bristol, Bristol, BS8 2BN, UK
| | - Steve Gregory
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, Oakfield House, Oakfield Grove, University of Bristol, Bristol, BS8 2BN, UK
| | - Yasmin Iles-Caven
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, Oakfield House, Oakfield Grove, University of Bristol, Bristol, BS8 2BN, UK
| | - Kate Northstone
- ALSPAC, Oakfield House, Oakfield Grove, University of Bristol, Bristol, BS8 2BN, UK
| | - Jean Golding
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, Oakfield House, Oakfield Grove, University of Bristol, Bristol, BS8 2BN, UK.
| | - Marcus Pembrey
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, Oakfield House, Oakfield Grove, University of Bristol, Bristol, BS8 2BN, UK
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Iles-Caven Y, Gregory S, Northstone K, Golding J. Longitudinal data on parental religious behaviour and beliefs from the Avon Longitudinal Study of Parents and Children (ALSPAC). Wellcome Open Res 2019; 4:38. [PMID: 31245631 PMCID: PMC6589926 DOI: 10.12688/wellcomeopenres.15127.2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/12/2019] [Indexed: 11/25/2022] Open
Abstract
There is evidence that, in general, the West is becoming more secular. Religious belief has been shown in some studies to have positive associations with outcomes such as coping with serious illness and other life events and general well-being. In this paper, we describe the data from parents enrolled in the Avon Longitudinal Study of Parents and Children (ALSPAC) on their religious behaviour and beliefs collected on three occasions during the 1990s and early 2000s, that are available for researchers to use in association with other longitudinally collected data on social, biological, genetic and epigenetic features of this culturally largely protestant Christian population. Data were collected antenatally and then subsequently at 5 and 9 years post-delivery from self-completion questionnaires completed by each parent independently. Strong sex differences (all P<0.001) were noted regarding religious beliefs and behaviour: for example, 49.9% of women stated that they believed in God or some divine being compared with 37% of men. Almost twice as many men (28.6%) than women (14.9%) declared they were atheists. Men were less likely to have stated that they had been helped by a divine presence; to appeal to God if they were in trouble, to attend religious services or obtain help from members of religious groups. Among the 6256 women and 2355 men who answered the questions at all three time points, there was evidence of a slight reduction in professed belief and a slight increase in the proportion stating that they were atheists. Information is available from this resource, which is rich in data on the environment, traumatic incidents, health and genetic background. It can be used for research into various aspects of the antecedents and consequences of religious belief and behaviour.
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Affiliation(s)
- Yasmin Iles-Caven
- Bristol Medical School (Public Health Sciences), University of Bristol, Bristol, BS8 2BN, UK
| | - Steven Gregory
- Bristol Medical School (Public Health Sciences), University of Bristol, Bristol, BS8 2BN, UK
| | - Kate Northstone
- Bristol Medical School (Public Health Sciences), University of Bristol, Bristol, BS8 2BN, UK
| | - Jean Golding
- Bristol Medical School (Public Health Sciences), University of Bristol, Bristol, BS8 2BN, UK
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Golding J, Gregory S, Northstone K, Iles-Caven Y, Ellis G, Pembrey M. Investigating Possible Trans/Intergenerational Associations With Obesity in Young Adults Using an Exposome Approach. Front Genet 2019; 10:314. [PMID: 31024624 PMCID: PMC6459952 DOI: 10.3389/fgene.2019.00314] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 03/21/2019] [Indexed: 11/13/2022] Open
Abstract
Animal experiments demonstrate ways in which an exposure in one generation can be reflected in a variety of outcomes in later generations. In parallel human observational studies have shown associations between grandparental and parental exposures to cigarette smoking and/or nutrition and growth and survival of the grandchild. These studies have controlled for just a few confounders selected ad hoc. Here we use an exposome approach (using all available measures of exposure) to determine trans/inter-generational factors that may be important in studying environmental factors associated with fat mass in young human adults. The study takes advantage of the rich data available in the Avon Longitudinal Study of Parents and Children (ALSPAC). We test associations with features of grandparents (G0) and the childhood of the parents (G1) of 24-year olds (G2). We hypothesized that intergenerational associations would be revealed, particularly with exposure to cigarette smoke, and that these would vary with the sexes of all three generations. The study exposome analyzed 172 exposures to the maternal line and 182 to the paternal line. A series of stepwise regression analyses reduced the initial 40 unadjusted factors (P < 0.05) to eight independent features on the maternal line, and of 26 on the paternal line to five. We found strong associations between the father starting to smoke cigarettes regularly before age 11 and increased fat mass in his adult children (unadjusted = +7.82 [95% CI +2.75, +12.90] Kg; adjusted = +11.22 [+5.23, +17.22] Kg); this association was stronger in male offspring. In addition, when the paternal grandmother had smoked in pregnancy her adult granddaughters, but not grandsons had elevated mean fat mass (interaction with sex after adjustment, P = 0.001). The exposome technique identified other factors that were independently associated with fat mass in young adults. These may be useful in identifying appropriate confounders in other more proximal analyses, but also may identify features that may be on epigenetic pathways leading to increased fat mass in subsequent generations. We acknowledge that the results need to be replicated in other cohorts and encourage further linkage of outcomes with previous generational exposures, particularly along the paternal line.
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Affiliation(s)
- Jean Golding
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
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Golding J, Iles-Caven Y, Ellis G, Gregory S, Nowicki S. The relationship between parental locus of control and adolescent obesity: a longitudinal pre-birth cohort. Int J Obes (Lond) 2019; 43:724-734. [PMID: 29983415 PMCID: PMC6215477 DOI: 10.1038/s41366-018-0141-y] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 04/17/2018] [Accepted: 05/18/2018] [Indexed: 02/06/2023]
Abstract
OBJECTIVES To investigate whether parental external locus of control (ELOC) measured in pregnancy is related to obesity in their adolescent offspring and whether the child's own ELOC measured at age 8 contributes. To determine whether associations are due to types of behaviour used by externally oriented participants. SUBJECTS/METHODS Longitudinal pre-birth cohort study (Avon Longitudinal Study of Parents & Children (ALSPAC)) set in south-west England. Families whose adolescent offspring had their fat mass measured using DXA scans at any of ages 9, 11, 13, 15 or 17 (range, n = 7329 at 9 to n = 4850 at 17). The primary outcome measures were mean fat mass, and obesity measured as ≥85th centile of fat mass at each age. RESULTS We found that parent and child externality was associated with greater fat mass [e.g., mean difference at age 15 associated with maternal ELOC was 1.70 kg (+1.17, +2.24), paternal ELOC 1.49 kg (+0.89, +2.09) and child's ELOC 1.50 kg (+0.93, +2.06) (P < 0.0001)]. Further analyses showed that factors associated with parent behaviour such as smoking in pregnancy, failure to breast feed, and early introduction of solids accounted for a third of the excess fat mass associated with maternal externality, whereas aspects of diet and energetic activity in later childhood were not. Further analyses demonstrated that the child's own ELOC only became independently important for adolescent obesity from age 13, whereas the mothers' and to a lesser extent the fathers' ELOC were associated at each age. CONCLUSIONS There is increased interest in determining factors that may be involved in the aetiology and maintenance of excessive weight in adolescents. We demonstrate that parental locus of control is a promising candidate. We suggest interventions to change parents' locus of control towards internality in pregnancy might have long-term preventative benefits on the likelihood of obesity in the offspring.
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Affiliation(s)
- Jean Golding
- Centre for Child and Adolescent Health, Population Health Sciences, University of Bristol, Bristol, UK.
| | - Yasmin Iles-Caven
- Centre for Child and Adolescent Health, Population Health Sciences, University of Bristol, Bristol, UK
| | - Genette Ellis
- Centre for Child and Adolescent Health, Population Health Sciences, University of Bristol, Bristol, UK
| | - Steven Gregory
- Centre for Child and Adolescent Health, Population Health Sciences, University of Bristol, Bristol, UK
| | - Stephen Nowicki
- Department of Psychology, Emory University, Atlanta, GA, USA
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Iles-Caven Y, Gregory S, Northstone K, Golding J. Longitudinal data on parental religious behaviour and beliefs from the Avon Longitudinal Study of Parents and Children (ALSPAC). Wellcome Open Res 2019; 4:38. [PMID: 31245631 PMCID: PMC6589926 DOI: 10.12688/wellcomeopenres.15127.1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/18/2019] [Indexed: 03/21/2024] Open
Abstract
There is evidence that, in general, the West is becoming more secular. Religious belief has been shown in some studies to positively impact on outcomes such as coping with serious illness and other life events and general well-being. In this paper, we describe the data collected from parents enrolled in the Avon Longitudinal Study of Parents and Children (ALSPAC) on their religious behaviour and beliefs on three occasions. These data are available for researchers to use in association with other longitudinally collected data on social, biological, genetic and epigenetic features of this culturally largely protestant Christian population. Data were collected antenatally and then subsequently at 5 and 9 years post-delivery from self-completion questionnaires completed by each parent independently. Strong sex differences (all P<0.001) were noted regarding religious beliefs and behaviour: for example, 49.9% of women stated that they believed in God or some divine being compared with 37% of men. Almost twice as many men (28.6%) than women (14.9%) declared they were atheists. Men were less likely to have stated that they had been helped by a divine presence; to appeal to God if they were in trouble, to attend religious services or obtain help from members of religious groups. Among the 6256 women and 2355 men who answered the questions at all three time points, there was evidence of a slight reduction in professed belief and a slight increase in the proportion stating that they were atheists. Information is available from this resource, which is rich in data on the environment, traumatic incidents, health and genetic background. It can be used for research into various aspects of the antecedents and consequences of religious belief and behaviour.
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Affiliation(s)
- Yasmin Iles-Caven
- Bristol Medical School (Public Health Sciences), University of Bristol, Bristol, BS8 2BN, UK
| | - Steven Gregory
- Bristol Medical School (Public Health Sciences), University of Bristol, Bristol, BS8 2BN, UK
| | - Kate Northstone
- Bristol Medical School (Public Health Sciences), University of Bristol, Bristol, BS8 2BN, UK
| | - Jean Golding
- Bristol Medical School (Public Health Sciences), University of Bristol, Bristol, BS8 2BN, UK
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Golding J, Gregory S, Ellis G, Nunes T, Bryant P, Iles-Caven Y, Nowicki S. Maternal Prenatal External Locus of Control and Reduced Mathematical and Science Abilities in Their Offspring: A Longitudinal Birth Cohort Study. Front Psychol 2019; 10:194. [PMID: 30800088 PMCID: PMC6375836 DOI: 10.3389/fpsyg.2019.00194] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Accepted: 01/21/2019] [Indexed: 11/18/2022] Open
Abstract
A personality scale that identifies individuals’ general attitude to what happens to them as largely a matter of luck or fate or of powerful others (externality) or whether they feel they can influence the consequences (internality) is known as locus of control (LOC). A continuous scale can distinguish those who are more external from those who are more internal. Lower scholastic achievement is associated with externality and higher achievement with internality, but little is known about the association of parental LOC on children’s academic performance. Data collected within the Avon Longitudinal Study of Parents and Children (ALSPAC) are analyzed to assess associations between mothers’ LOC orientation, measured during pregnancy, and their children’s abilities in mathematics and science reasoning. We found that maternal external LOC is associated with lower scores for her child assessed by tests measuring mental arithmetic as well as understanding of mathematical and scientific concepts. Additionally, we determined the extent to which three separate sets of factors previously found to positively influence the developing child’s ability mediate these findings: (a) perinatal and infant exposures, such as prenatal smoking, binge drinking, consumption of oily fish, and postnatal breast feeding; (b) parenting attitudes and strategies; and (c) the interface of the parents with their child’s school. The three factors identify at least 50% of the mechanism by which maternal externality is associated with poor academic outcomes in her child and may be candidates for further investigation as possible intervention targets.
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Affiliation(s)
- Jean Golding
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Steven Gregory
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Genette Ellis
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Terezinha Nunes
- Department of Education, University of Oxford, Oxford, United Kingdom
| | - Peter Bryant
- Department of Education, University of Oxford, Oxford, United Kingdom
| | - Yasmin Iles-Caven
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Stephen Nowicki
- Department of Psychology, Emory University, Atlanta, GA, United States
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Nowicki S, Gregory S, Iles-Caven Y, Ellis G, Golding J. Early Home-Life Antecedents of Children's Locus of Control. Front Psychol 2018; 9:2032. [PMID: 30443228 PMCID: PMC6221930 DOI: 10.3389/fpsyg.2018.02032] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Accepted: 10/03/2018] [Indexed: 01/18/2023] Open
Abstract
Children's external locus of control has been linked to a wide variety of negative academic achievement, personality, and social adjustment outcomes. The purpose of this study was to discover which features of early home environment may facilitate the development of external as opposed to internal control expectancies in children. We use an exposome approach to analyze data from the Avon Longitudinal Study of Parents and Children (ALSPAC) cohort study, a longitudinal study starting in pregnancy in England in 1990-1992. Details of parents and their study children were collected prospectively, and children's locus of control was assessed at age 8 using an abbreviated form of the most frequently used measure of children's locus of control (Nowicki-Strickland Internal External locus of control scale). A series of stepwise logistic regression analyses were undertaken to determine the strongest independent associations. The final model (n = 4,075 children) comprised 13 variables - those with the strongest associations with the child becoming externally oriented were two that were positive indicators of the mother being distracted (TV on almost the whole time, and a consideration that pets should be treated as members of the family), three that were indicators of protective (negative) effects of interaction between mother and child (child was breast fed, mother read stories to the child, mother cuddled the baby when he/she woke at night), and two divergent indicators of maternal health behavior (more frequent cleaning of the child's hands before a meal which was associated with a heightened risk of become external, and providing a healthy-type of diet, which was associated with a reduced risk of becoming external). The findings suggest that inadequate early maternal interaction with the child is associated with an increased risk of the child being externally oriented by the age of 8.
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Affiliation(s)
- Stephen Nowicki
- Department of Psychology, Emory University, Atlanta, GA, United States
| | - Steven Gregory
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Yasmin Iles-Caven
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Genette Ellis
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Jean Golding
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Bristol, United Kingdom
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Nowicki S, Iles-Caven Y, Gregory S, Ellis G, Golding J. Stability of, and Associations Between, Parent and Child Locus of Control Expectancies. Front Psychol 2018; 9:2018. [PMID: 30410460 PMCID: PMC6209655 DOI: 10.3389/fpsyg.2018.02018] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2018] [Accepted: 10/01/2018] [Indexed: 11/13/2022] Open
Abstract
The purpose of the present study was to assess the stability of locus of control (LOC) scores over time using data gathered from tests constructed to be consistent with Rotter's definition of LOC. We compared LOC scores of parents (measured prior to the birth of the index child and at 6 and 18 years later) and their offspring (at ages 8 and 16) to explore how stable adult and child LOC was over time and to see how parental LOC was associated with the LOC of the child aged 8 and again at 16. Locus of control was measured using modified versions of adult (ANSIE, Nowicki and Duke, 1974) and child (CNSIE, Nowicki and Strickland, 1973) LOC scales, administered to participants in the Avon Longitudinal Study of Parents and Children in the United Kingdom. We predicted that: (1) adult scores would be more stable than children's and (2) parents' and children's LOC scores would be related to one another. Analyses of the data found that individual's LOC scores were significantly associated over time, with adult scores (r ∼ 0.50) more highly correlated than children's (r ∼ 0.20). Correlations suggest more stability for adults than children, but also indicate the occurrence of substantial change across time. Although statistically significant, correlations between family members were small at both childhood and adolescent time points. Additional analyses suggested that mother and father LOC scores were more highly correlated with opposite rather than with same sex children, but again though significant the coefficients were small. We also analyzed the binary outcomes of externality to assess parental contributions to externality in the 8 and 16-year-old children and found correlations were significant, but small. Possible explanations are offered for why the associations between parent and child LOC were not higher. We concluded that researchers need to focus more on clarifying how children's LOC is acquired.
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Affiliation(s)
- Stephen Nowicki
- Department of Psychology, Emory University, Atlanta, GA, United States
| | - Yasmin Iles-Caven
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Steven Gregory
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Genette Ellis
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Jean Golding
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom
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Nowicki S, Gregory S, Ellis GL, Iles-Caven Y, Golding J. The Pattern of Stability and Change in Parental Locus of Control Over 6 Years and Teacher Ratings of Child Behavior. Front Psychol 2018; 9:1427. [PMID: 30135674 PMCID: PMC6092674 DOI: 10.3389/fpsyg.2018.01427] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Accepted: 07/20/2018] [Indexed: 11/13/2022] Open
Abstract
A previous study from our group showed that parents' locus of control (LOC) obtained before the birth of their child was associated with the child's behavior at school in School Years 3 (ages 7-8) and 6 (ages 10-11). Here we examine whether a change in parental LOC over the first 6 years of the child's life was associated with differences in his or her behavior as rated by their teachers. As before, we use data from the Avon Longitudinal Study of Parents and Children (ALSPAC). A modified version of the adult Nowicki-Strickland internal-external LOC scale was completed by mothers and fathers in their own home during pregnancy and 6 years later. Externality was defined as a score greater than the median and internality as equal to, or less than, the median. Outcomes were the five individual subscales and the total difficulties of Goodman's Strengths and Difficulties Questionnaire (SDQ) completed by the children's class teachers at the end of School Years 3 and 6. As predicted, we found that parents who remained externally oriented, or became external, had children with more behavioral difficulties in primary school compared with parents who remained or became internal. Type of behavior difficulties varied somewhat with whether mothers or fathers remained or changed toward externality. These results support the possibility that changes in parental LOC are associated with children's personal and social adjustment. Consequently, programs to change parental LOC may be worth evaluating.
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Affiliation(s)
- Stephen Nowicki
- Department of Psychology, Emory University, Atlanta, GA, United States
| | - Steven Gregory
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Genette L. Ellis
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Yasmin Iles-Caven
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Bristol, United Kingdom
| | - Jean Golding
- Centre for Academic Child Health, Bristol Medical School, University of Bristol, Bristol, United Kingdom
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Iles-Caven Y, Golding J, Ellis G, Gregory S, Nowicki S. Data relating to change in locus of control orientation of parents overtime (from pre-birth to 20 years later), participating in the Avon Longitudinal Study of Parents and Children (ALSPAC). Data Brief 2018; 19:2195-2204. [PMID: 30229096 PMCID: PMC6141524 DOI: 10.1016/j.dib.2018.07.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 06/18/2018] [Accepted: 07/05/2018] [Indexed: 11/23/2022] Open
Abstract
Locus of control (LOC) measures an individual׳s expectancy regarding their ability to affect what happens to them based on their behavior. Those with an internal LOC (ILOC) believe their own behavior influences what happens to them. Those with an external LOC (ELOC) perceive that what happens to them is beyond their control (i.e. determined by luck, fate, chance or powerful others) [1]. A vast amount of research (mainly cross-sectional) suggests that an ELOC is associated with many adverse personal, social, academic and health outcomes. LOC data were uniquely collected prenatally from over 12,000 pregnant women and their partners enrolled in the Avon Longitudinal Study of Parents and Children (ALSPAC). The LOC measure used was a shortened version of the adult version of the Nowicki-Strickland Internal-External locus of control scale. This was administered to the mothers within self-completion questionnaires at three-time points: during pregnancy, at 6 and at 18 years post-partum. In parallel, self-completion questionnaires containing the same LOC questions were completed by their partners during pregnancy, at 6 and 20 years later. ALSPAC LOC data are unique in that they measured orientation over time and on a much larger sample of respondents than is usual. We describe the scale used, why it was chosen and how individual scores changed over time.
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Affiliation(s)
- Yasmin Iles-Caven
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, UK
| | - Jean Golding
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, UK
| | - Genette Ellis
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, UK
| | - Steven Gregory
- Centre for Academic Child Health, Population Health Sciences, Bristol Medical School, University of Bristol, UK
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