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Moore LE, Serrano-Lomelin J, Rosychuk RJ, Kozyrskyj AL, Chari R, Crawford S, Bakal J, Hicks A, Ducharme FM, Ospina MB. Perinatal and early life factors and asthma control among preschoolers: a population-based retrospective cohort study. BMJ Open Respir Res 2023; 10:e001928. [PMID: 37748808 PMCID: PMC10533801 DOI: 10.1136/bmjresp-2023-001928] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 08/30/2023] [Indexed: 09/27/2023] Open
Abstract
BACKGROUND Preventing poor childhood asthma control is crucial for short-term and long-term respiratory health. This study evaluated associations between perinatal and early-life factors and early childhood asthma control. METHODS This retrospective study used administrative health data from mothers and children born 2010-2012 with a diagnosis of asthma before age 5 years, in Alberta, Canada. The outcome was asthma control within 2 years after diagnosis. Associations between perinatal and early-life factors and risk of partly and uncontrolled asthma were evaluated by multinomial logistic regression. RESULTS Of 7206 preschoolers with asthma, 52% had controlled, 37% partly controlled and 12% uncontrolled asthma 2 years after diagnosis. Compared with controlled asthma, prenatal antibiotics (adjusted risk ratio (aRR): 1.19; 95% CI 1.06 to 1.33) and smoking (aRR: 1.18; 95% CI 1.02 to 1.37), C-section delivery (aRR: 1.11; 95% CI 1.00 to 1.25), summer birth (aRR: 1.16; 95% CI 1.00 to 1.34) and early-life hospitalisation for respiratory illness (aRR: 2.24; 95% CI 1.81 to 2.76) increased the risk of partly controlled asthma. Gestational diabetes (aRR: 1.41; 95% CI 1.06 to 1.87), C-section delivery (aRR: 1.18; 95% CI 1.00 to 1.39), antibiotics (aRR: 1.32; 95% CI 1.08 to 1.61) and hospitalisation for early-life respiratory illness (aRR: 1.65; 95% CI 1.19 to 2.27) were associated with uncontrolled asthma. CONCLUSION Maternal perinatal and early-life factors including antibiotics in pregnancy and childhood, gestational diabetes, prenatal smoking, C-section and summertime birth, and hospitalisations for respiratory illness are associated with partly or uncontrolled childhood asthma. These results underline the significance of perinatal health and the lasting effects of early-life experiences on lung development and disease programming.
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Affiliation(s)
- Linn E Moore
- Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
| | | | - Rhonda J Rosychuk
- Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
| | - Anita L Kozyrskyj
- Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
| | - Radha Chari
- Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
| | | | | | - Anne Hicks
- Department of Pediatrics, University of Alberta, Edmonton, Alberta, Canada
| | | | - Maria B Ospina
- Department of Public Health Sciences, Queen's University, Kingston, Ontario, Canada
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Ahmad K, Ormsby GM, Kabir E, Khanam R. Association of maternal physical and mental health characteristics with the hazard of having any medical condition or disability in Australian children: A 15-year birth cohort study. SSM Popul Health 2023; 22:101385. [PMID: 37090688 PMCID: PMC10119795 DOI: 10.1016/j.ssmph.2023.101385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 03/15/2023] [Accepted: 03/17/2023] [Indexed: 04/25/2023] Open
Abstract
Any long-term medical condition or disability among children is a significant health issue. This study measured the incidence rate of any medical condition or disability among children from a nationally representative birth cohort, then used the random effect parametric survival regression model to assess whether the hazard of any medical condition or disability in children is associated with maternal physical and mental health characteristics (obesity, general health status, having a medical condition, stressful life events or mental illness). The study followed up 5019 children from the Longitudinal Study of Australian Children, assessing their time-to-event data from birth (2004) to 14 or 15 years of age (2018). The hazard rate of any medical condition or disability was 26.11 per 1000 person-years for all the children and 29.29 for the males-a noticeable gender difference. It was the highest (hazard rate: 62.90) among the children when their mothers had a medical condition, while the hazard rate was 22.40 per 1000 person-years among the children whose mothers had no medical conditions. The parametric panel regression results also suggested that the children of mothers with a medical condition during the 15-year study period were more likely to have a medical condition or disability (hazard ratio [HR]: 2.61, 95% confidence interval [CI]: 2.24-3.02) compared to the children of mothers with none. Similar trends were observed among children of mothers who had fair or poor general health (HR: 1.48, 95% CI: 1.15-1.91), obesity (HR: 1.40, 95% CI: 1.18-1.66) or experienced stressful life events (HR: 1.23, 95% CI: 1.06-1.43) over time compared to those whose mothers did not. These findings suggest that additional healthcare interventions targeting mothers with medical conditions, obesity, poor general health, or mental illness would help minimise the risk of medical conditions and disabilities among children.
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Affiliation(s)
- Kabir Ahmad
- School of Business, Faculty of Business, Education, Law and Arts, University of Southern Queensland, Toowoomba, QLD, 4350, Australia
- Centre for Health Research, University of Southern Queensland, Toowoomba, QLD, 4350, Australia
- Corresponding author. Centre for Health Research, University of Southern Queensland, Toowoomba, QLD, 4350, Australia.
| | - Gail M. Ormsby
- Independent Researcher, School of Education, Faculty of Business, Education, Law and Arts, University of Southern Queensland, Toowoomba, QLD, 4350, Australia
| | - Enamul Kabir
- Centre for Health Research, University of Southern Queensland, Toowoomba, QLD, 4350, Australia
- School of Mathematics, Physics and Computing, Faculty of Health, Engineering and Sciences, University of Southern Queensland, Toowoomba, QLD, 4350, Australia
| | - Rasheda Khanam
- School of Business, Faculty of Business, Education, Law and Arts, University of Southern Queensland, Toowoomba, QLD, 4350, Australia
- Centre for Health Research, University of Southern Queensland, Toowoomba, QLD, 4350, Australia
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Yang Y, Cheng J, Liu P. Impacts on children's health of adverse childhood experiences of their mothers: A gender-specific mediation analysis using data from the China Health and Retirement Longitudinal Study. J Affect Disord 2023; 323:232-240. [PMID: 36455713 DOI: 10.1016/j.jad.2022.11.057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 10/24/2022] [Accepted: 11/20/2022] [Indexed: 11/29/2022]
Abstract
BACKGROUND Numerous people have suffered adverse childhood experiences (ACEs) that can have lasting negative consequences. However, few studies have focused on maternal ACEs' effect on their children's health. This study aimed to evaluate the impact on children's health of ACEs that their mothers experienced. METHODS Data from the China Health and Retirement Longitudinal Study (CHARLS) 2018 combined with the CHARLS 2014 Life History Survey were analyzed. The logistic regression was used to investigate maternal ACEs' impact on their children's health. Based on the stepwise regression model and bias-corrected bootstrap, we estimated the mediating effects. RESULTS Maternal ACEs could result in harm to the health of children (P < 0.05). If the types of maternal ACEs increased by one unit, the odds ratio of their children's poor health would rise by 9.6 %. Moreover, if the types of maternal ACEs increased by one unit, the odds ratio of daughters' and sons' poor health would increase by 8.3 % and 10.2 %, respectively. Three mediating mechanisms of mothers' education, physical health, and mental health were confirmed by empirical tests. LIMITATIONS We could not employ objective indicators to measure children's health. Meanwhile, maternal ACEs were all self-reported from the mothers' recollection, which might descend the accuracy due to memory bias. CONCLUSION Maternal ACEs harmed the health of both their sons and daughters. The children's health would deteriorate as the maternal ACEs increased. Mother's education, physical health, and mental health mediated the relationships between maternal ACEs and children's health.
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Affiliation(s)
- Yuxuan Yang
- School of Government, Sun Yat-sen University, Guangzhou, China
| | - Jianxin Cheng
- School of Public Administration and Emergency Management, Jinan University, Guangzhou, China
| | - Paicheng Liu
- School of Public Administration, Southwestern University of Finance and Economics, Chengdu, China.
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Hua L, Ju L, Xu H, Li C, Sun S, Zhang Q, Cao J, Ding R. Outdoor air pollution exposure and the risk of asthma and wheezing in the offspring. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:14165-14189. [PMID: 36149565 DOI: 10.1007/s11356-022-23094-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Accepted: 09/14/2022] [Indexed: 06/16/2023]
Abstract
According to the "fetal origin of disease" hypothesis, air pollution exposure in pregnancy may play an important role in stimulating the early programming of asthma and allergies. However, previous studies reported inconsistent findings. The aim of this meta-analysis was to provide higher grade evidence and quantitatively analyze the link between prenatal exposure to outdoor air pollutants and childhood asthma and wheezing. Databases (Web of Science and PubMed) were extensively searched for articles published from the start of the database to September 15, 2021. Either random-effect model or fixed-effect model was used to estimate the disease-specific relative risks (RR) with the corresponding 95% confidence intervals (CIs) to estimate the association. Newcastle-Ottawa Quality Score (NOS) was used to assess the quality of studies. This study finally included 13 cohort studies, and the findings showed that NO2 and SO2 exposure during entire pregnancy was significantly associated with wheezing (RR = 1.032, 95% CI: 1.000, 1.066) and asthma (RR = 1.114, 95% CI: 1.066, 1.164), respectively. Further analyses showed that PM2.5 were positively associated with asthma in the second (RR = 1.194, 95% CI: 1.143, 1.247) and third trimester (RR = 1.050, 95% CI: 1.007, 1.094), while NO2 (RR = 1.060, 95% CI: 1.021, 1.101) and SO2 (RR = 1.067, 95% CI: 1.013, 1.123) were shown positively associated with asthma only in the second trimester. The relationship between wheezing and outdoor air pollutants was not significant in any of the pregnancy subgroups. This study suggests that prenatal exposure of outdoor air pollution may increase the asthma and wheezing risk in the offspring and that the second trimester may be a sensitive period for air pollution exposure. But the interpretation of the causal association is hampered by limited number of studies on dose response.
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Affiliation(s)
- Lei Hua
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China
| | - Liangliang Ju
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China
| | - Hanbing Xu
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China
| | - Changlian Li
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China
| | - Shu Sun
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China
| | - Qi Zhang
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China
| | - Jiyu Cao
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China
- Department of Teaching Center for Preventive Medicine, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China
| | - Rui Ding
- Department of Occupational Health and Environmental Health, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, 230032, Anhui, China.
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Ahmad K, Keramat SA, Sathi NJ, Kabir E, Khanam R. Association of infant and child health characteristics with the hazard of any medical condition or disability in Australian children. Arch Public Health 2022; 80:158. [PMID: 35733191 PMCID: PMC9219216 DOI: 10.1186/s13690-022-00913-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 06/10/2022] [Indexed: 11/30/2022] Open
Abstract
Background The incidence of any medical condition (e.g., sight, hearing, and speech problems, blackouts, chronic pain etc.) or disability (e.g., limited use of arms or fingers, legs, and feet, or other physical long-term health condition limiting everyday activities etc.) have been increasing among Australian children in recent decades. Objectives This study assessed whether infant or child health characteristics might be predictors of subsequent medical conditions or disabilities in children in the first 15 years of life. Methods Using time to event data of 5107 children, obtained from the Birth cohort of the Longitudinal Study of Australian Children, the study estimated the incidence of any medical condition or disability using the survival analysis technique. This study followed up the children from birth to 14 or 15 years of age (2004–2018) and assessed the association of infant and child health characteristics (birthweight, gestational age, use of intensive care unit or ventilator during their neonatal age and obesity) with hazard of any medical condition or disability using the random effect parametric survival regression model. The infant characteristics were measured in the Wave 1 while the children were aged 0/1 year and obesity characteristics were measured longitudinally over all the waves up to 14/15 years of age. Results The hazard rate of any medical condition or disability for all participants was 26.13 per 1000 person-years among children in Australia. This hazard incidence rate was higher among low birthweight (39.07) children compared to the children of normal birthweight (24.89) children. The hazard rate also higher among obese (34.37) children compared to the normal weight children (24.82) and among those who had received after-birth ventilation or intensive care unit emergency services (36.87) compared to those who have not received these services (24.20). The parametric panel regression model also suggests that children with low birthweight were 1.43 times (Hazard Ratio: 1.43, 95% Confidence Interval: 1.05–1.94) more likely to have any medical condition or disability than children with normal birthweight. The time to event analyses also revealed that being recipient of after-birth emergencies (HR: 1.47, 95% CI: 1.23–1.75), being male children (HR: 1.30, 95% CI: 1.14–1.48) or being obese (HR: 1.38, 95% CI: 1.07–1.79) significantly increased the likelihood of the incidence of a medical condition or disability among children. The regression model was adjusted for socio-demographic characteristics of children and mothers.. Conclusions The study findings suggest that infants with low birth weight, hospital emergency service use and children with obesity would benefit from additional health care monitoring to minimize the risk of any medical condition or disability.
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