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McCormack FC, Hopley RC, Boath EH, Parry SL, Roscoe SM, Stewart A, Birch VA. Exploring pregnant women's experiences of stopping smoking with an incentive scheme with 'enhanced' support: a qualitative study. Perspect Public Health 2023; 143:285-291. [PMID: 35787029 DOI: 10.1177/17579139221106842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
AIM This study aims to understand pregnant women's experiences of smoking cessation with an incentive scheme in a deprived UK city. This is important because smoking cessation with pregnant women is one of the most crucial public health initiatives to promote, and is particularly challenging in deprived areas. While financial incentive schemes are controversial, there is a need to better understand pregnant women's experiences. The scheme combined quasi-financial incentives (shopping vouchers) for validated quits (carbon monoxide (CO) validated at < 10 ppm), enhanced support from smoking cessation advisors, the opportunity to identify a 'Significant Other Supporter' and nicotine replacement therapy. METHODS With the focus on understanding pregnant women's experiences, a qualitative design was adopted. Semi-structured interviews were completed with 12 pregnant women from the scheme, and the three advisors. All interviews were transcribed, and thematic analysis conducted. RESULTS Pregnant women reported various challenges to quitting, including long-established routines, and stress. Participants were aware of stigma around incentives but were all very positive about the scheme. The relationship with advisors was described as fundamental. The women valued their advice and support, while uptake of the 'Significant Other Supporter' appeared low. Participants viewed the CO monitoring as 'an incentive', while the vouchers were framed as a 'bonus'. Advisors perceived the vouchers as helping engage pregnant women and maintain quit status, and women appreciated the vouchers both as financial assistance and recognition of their accomplishments. CONCLUSION This study highlights the great value women placed on the support, advice and monitoring from specialist advisors. The distinction between vouchers as a welcomed bonus, rather than 'the incentive' to engage, is important. How smoking cessation and schemes to promote this are communicated to pregnant women and health professionals is important, particularly given the stigma and controversy involved.
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Affiliation(s)
- Fiona C McCormack
- Centre for Health and Development (CHAD), School of Health, Science and Wellbeing, Staffordshire University, Leek Road Campus, Stoke-on-Trent ST4 2DF, UK
| | - Rachel C Hopley
- Institute for Community Research and Development (ICRD), University of Wolverhampton, Wolverhampton, UK
| | - Elizabeth H Boath
- School of Health, Science and Wellbeing, Staffordshire University, Stoke-on-Trent, UK
| | - Sian L Parry
- Centre for Health and Development (CHAD), School of Health, Science and Wellbeing, Staffordshire University, Stoke-on-Trent, UK
| | - Suzie M Roscoe
- School of Health and Related Research, The University of Sheffield, Sheffield, UK
| | - Antony Stewart
- School of Health, Science and Wellbeing, Staffordshire University, Stoke-on-Trent, UK
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2
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Fletcher C, Hoon E, Gialamas A, Dekker G, Lynch J, Smithers L. Isolation, marginalisation and disempowerment - understanding how interactions with health providers can influence smoking cessation in pregnancy. BMC Pregnancy Childbirth 2022; 22:396. [PMID: 35538450 PMCID: PMC9086664 DOI: 10.1186/s12884-022-04720-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 04/20/2022] [Indexed: 11/26/2022] Open
Abstract
Background Maternal smoking during pregnancy can lead to serious adverse health outcomes for both women and their infants. While smoking in pregnancy has declined over time, it remains consistently higher in women with lower socioeconomic circumstances. Furthermore, fewer women in this group will successfully quit during pregnancy. Aim This study explores the barriers to smoking cessation experienced by socially disadvantaged pregnant women and investigates how interactions with health providers can influence their smoking cessation journey. Methods Women (either pregnant or birthed in the previous 10 years, who smoked or quit smoking in pregnancy) were recruited from a metropolitan public hospital antenatal clinic in South Australia and community organisations in surrounding suburbs. Seventeen women participated in qualitative semi-structured small focus groups or interviews. The focus groups and interviews were recorded, transcribed and thematically analysed. Findings Four interconnected themes were identified: 1) smoking embedded in women’s challenging lives and pregnancies, 2) cyclic isolation and marginalisation, 3) feeling disempowered, and 4) autonomy and self-determination. Themes 3 and 4 are characterised as being two sides of a single coin in that they coexist simultaneously and are inseparable. A key finding is a strong unanimous desire for smoking cessation in pregnancy but women felt they did not have the necessary support from health providers or confidence and self-efficacy to be successful. Conclusion Women would like improvements to antenatal care that increase health practitioners’ understanding of the social and contextual healthcare barriers faced by women who smoke in pregnancy. They seek improved interventions from health providers to make informed choices about smoking cessation and would like women-centred care. Women feel that with greater support, more options for cessation strategies and consistency and encouragement from health providers they could be more successful at antenatal smoking cessation. If such changes were made, then South Australian practice could align more with best practice international guidelines for addressing smoking cessation in pregnancy, and potentially improve outcomes for women and their children. Supplementary Information The online version contains supplementary material available at 10.1186/s12884-022-04720-0.
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Affiliation(s)
- Cherise Fletcher
- School of Public Health, Faculty of Health & Medical Sciences, University of Adelaide, Level 5, 50 Rundle Mall, Rundle Mall Plaza, Adelaide, SA, 5005, Australia.,The Robinson Research Institute, Norwich Centre, Ground Floor, 55 King William Road, North Adelaide, SA, 5006, Australia
| | - Elizabeth Hoon
- School of Public Health, Faculty of Health & Medical Sciences, University of Adelaide, Level 5, 50 Rundle Mall, Rundle Mall Plaza, Adelaide, SA, 5005, Australia.,Discipline of General Practice, Faculty of Health & Medical Sciences, University of Adelaide, Adelaide, SA, 5005, Australia
| | - Angela Gialamas
- School of Public Health, Faculty of Health & Medical Sciences, University of Adelaide, Level 5, 50 Rundle Mall, Rundle Mall Plaza, Adelaide, SA, 5005, Australia.,The Robinson Research Institute, Norwich Centre, Ground Floor, 55 King William Road, North Adelaide, SA, 5006, Australia
| | - Gustaaf Dekker
- The Robinson Research Institute, Norwich Centre, Ground Floor, 55 King William Road, North Adelaide, SA, 5006, Australia.,Obstetrics and Gynaecology Department, Lyell McEwin Hospital, University of Adelaide, Adelaide, Australia
| | - John Lynch
- School of Public Health, Faculty of Health & Medical Sciences, University of Adelaide, Level 5, 50 Rundle Mall, Rundle Mall Plaza, Adelaide, SA, 5005, Australia.,The Robinson Research Institute, Norwich Centre, Ground Floor, 55 King William Road, North Adelaide, SA, 5006, Australia.,Population Health Sciences, University of Bristol, Bristol, UK
| | - Lisa Smithers
- School of Public Health, Faculty of Health & Medical Sciences, University of Adelaide, Level 5, 50 Rundle Mall, Rundle Mall Plaza, Adelaide, SA, 5005, Australia. .,The Robinson Research Institute, Norwich Centre, Ground Floor, 55 King William Road, North Adelaide, SA, 5006, Australia. .,School of Health & Society, Faculty of Arts, Social Sciences & Humanities, University of Wollongong, Wollongong, NSW, 2522, Australia. .,The Illawarra Health and Medical Research Institute, University of Wollongong, Northfields Avenue, Wollongong, NSW, 2522, Australia.
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Schilling L, Spallek J, Maul H, Schneider S. Study on E-Cigarettes and Pregnancy (STEP) - Results of a Mixed Methods Study on Risk Perception of E-Cigarette Use During Pregnancy. Geburtshilfe Frauenheilkd 2021; 81:214-223. [PMID: 33574625 PMCID: PMC7870285 DOI: 10.1055/a-1308-2376] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 11/08/2020] [Indexed: 01/06/2023] Open
Abstract
Introduction
E-cigarette use during pregnancy is a risk factor for maternal and fetal health. Early studies on animals showed that in utero exposure to e-cigarettes can have negative health outcomes for the fetus. There has been only limited research into the risk perceptions of e-cigarette use during pregnancy. This study was conducted to comprehensively characterize the constructs of risk perceptions with regard to e-cigarette use during pregnancy using an
I
ntegrated
H
ealth
B
elief
M
odel (IHBM).
Methods
Our
ST
udy on
E
-cigarettes and
P
regnancy (STEP) used a mixed methods approach, with the study divided into an initial qualitative part and a quantitative part. A netnographic approach was used for the first part, which consisted of the analysis of 1552 posts from 25 German-language online discussion threads on e-cigarette use during pregnancy. Using these qualitative results, a quantitative questionnaire was developed to explore risk perception constructs about e-cigarette use during pregnancy. This questionnaire was subsequently administered to pregnant women (n = 575) in one hospital in Hamburg, Germany. Descriptive and bivariate analysis was used to examine differences in risk perception according to participantsʼ tobacco and e-cigarette user status before and during pregnancy. While the study design, methods and sample have been extensively described in our recently published study protocol in the January 2020 issue of
Geburtshilfe und Frauenheilkunde
, this paper is devoted to a presentation of the results of our mixed methods study.
Results
Themes related to perceived threats identified in the qualitative study part were
nicotine-related health risks
and
potential health risks of additional ingredients
. Perceived benefits were
possibility and facilitation of smoking cessation
and a presumed
potential to reduce harm
. The subsequent quantitative part showed that nearly all participants (99.3%) perceived e-cigarettes which contained nicotine as constituting a threat to the health of the unborn child. The most commonly perceived barrier was health-related (96.6%), while the most commonly perceived benefit was a reduction in the amount of tobacco cigarettes consumed (31.8%). We found that particularly perceived benefits varied depending on the participantʼs tobacco and e-cigarette user status.
Conclusion
When considering future prevention strategies, the potential health risks and disputed effectiveness of e-cigarettes as a tool for smoking cessation need to be taken into account and critically discussed.
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Affiliation(s)
- Laura Schilling
- Department of Public Health, Brandenburg University of Technology, Senftenberg, Germany.,Mannheim Institute of Public Health, Social and Preventive Medicine, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Jacob Spallek
- Department of Public Health, Brandenburg University of Technology, Senftenberg, Germany
| | | | - Sven Schneider
- Mannheim Institute of Public Health, Social and Preventive Medicine, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
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Mattsson K, Hougaard KS, Sejbaek CS. Exposure to psychosocial work strain and changes in smoking behavior during pregnancy - a longitudinal study within the Danish National Birth Cohort. Scand J Work Environ Health 2021; 47:70-77. [PMID: 32898276 PMCID: PMC7801135 DOI: 10.5271/sjweh.3921] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Abstract
Objective: Knowledge of the relationship between psychosocial strain in the work environment and smoking during pregnancy is scarce. This study aimed to examine the association between psychosocial job strain and change in smoking behavior during pregnancy. Methods: The cohort included 65 645 pregnancies from the Danish National Birth Cohort (1996–2002), where pregnant women were interviewed on job factors and lifestyle during the first and third trimesters. Smoking was categorized into non-, non-daily, and daily smoking at each interview. Psychosocial job strain was categorized into four groups based on the concept of Karasek’s demand–control model: low strain (reference), passive, active and high strain. Associations between psychosocial strain and change in smoking status between the first and second interviews were analyzed by multinomial logistic regression, separately for each smoking category at first interview. Results: Non-smoking women exposed to high strain work were more likely to become daily smokers [adjusted odds ratio (ORadj) 1.41, (95% confidence interval (CI) 1.08–1.83)] compared to non-smoking women exposed to low strain work. Non-smoking women exposed to passive work were more likely to become both non-daily and daily smokers [ORadj 1.59 (95% CI 1.21–2.08) and ORadj 1.32 (95% CI 1.03–1.70), respectively]. Daily smoking women exposed to high strain work were less likely to decrease their smoking [ORadj 0.57 (95% CI 0.32–0.99)] compared to daily smoking women exposed to low strain work. Conclusions: Psychosocial strain influenced the women’s smoking behavior during pregnancy, especially in job types with low control.
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Affiliation(s)
- Kristina Mattsson
- Division of Occupational and Environmental Medicine, Medicon Village, Building 402 (2nd flour), Scheelev. 2, SE-223 83 Lund, Sweden.
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5
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Froggatt S, Reissland N, Covey J. Risk perception of cigarette and e-cigarette use during pregnancy: A qualitative postpartum perspective. Midwifery 2020; 94:102917. [PMID: 33387740 DOI: 10.1016/j.midw.2020.102917] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Revised: 11/26/2020] [Accepted: 12/17/2020] [Indexed: 11/30/2022]
Abstract
AIM The aim of this exploratory qualitative analysis is to assess the perceptions of risks of cigarette and e-cigarette use during pregnancy. BACKGROUND An important public health aim is a reduction of smoking at time of delivery (SATOD) from 10.6% to less than 6% by 2022 in the United Kingdom (UK). In order to successfully meet this target, we need to have a better understanding of the perceived risks associated with cigarette smoking. Additionally, the use of e-cigarettes is increasing in the general population, with pregnant women being supported to use such products if it helps them remain smoke free. However, in contrast to cigarette smoking, there is little definitive research assessing the safety of e-cigarette use during pregnancy, with most information disregarding the health of the growing fetus. E-cigarettes are of special interest, given they are an unlicensed product for use during pregnancy, yet women are being supported to use them as a method of harm reduction. A better understanding of perceived risks is essential. METHOD Fourteen interviews were conducted one month postpartum with women who smoked during pregnancy and continued to smoke after the birth. Thematic analysis was conducted. FINDINGS Two themes emerged for cigarette smoking; health and justifications. Six themes were identified for e-cigarette use; the unknown, experience, comparison to cigarettes, the product, advice and healthier option. A range of subthemes are discussed. CONCLUSION Women provided a range of justifications for continuing to smoke during pregnancy. Women felt e-cigarettes were a riskier option than continuing to smoke.
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Affiliation(s)
- Suzanne Froggatt
- Psychology Department, Durham University, Science Site, South Road, Durham DH1 3LE, England.
| | - Nadja Reissland
- Psychology Department, Durham University, Science Site, South Road, Durham DH1 3LE, England.
| | - Judith Covey
- Psychology Department, Durham University, Science Site, South Road, Durham DH1 3LE, England.
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Raghunathan R, Liu CH, Ambekar YS, Singh M, Miranda RC, Larin KV. Optical coherence tomography angiography to evaluate murine fetal brain vasculature changes caused by prenatal exposure to nicotine. BIOMEDICAL OPTICS EXPRESS 2020; 11:3618-3632. [PMID: 33014555 PMCID: PMC7510910 DOI: 10.1364/boe.394905] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 06/01/2020] [Accepted: 06/02/2020] [Indexed: 05/03/2023]
Abstract
Maternal smoking causes several defects ranging from intrauterine growth restriction to sudden infant death syndrome and spontaneous abortion. While several studies have documented the effects of prenatal nicotine exposure in development and behavior, acute vasculature changes in the fetal brain due to prenatal nicotine exposure have not been evaluated yet. This study uses correlation mapping optical coherence angiography to evaluate changes in fetal brain vasculature flow caused by maternal exposure to nicotine during the second trimester-equivalent of gestation in a mouse model. The effects of two different doses of nicotine were evaluated. Results showed a decrease in the vasculature for both doses of nicotine, which was not seen in the case of the sham group.
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Affiliation(s)
- Raksha Raghunathan
- Department of Biomedical Engineering, University of Houston, 3517 Cullen Blvd., Houston, TX 77204, USA
| | - Chih-Hao Liu
- Department of Biomedical Engineering, University of Houston, 3517 Cullen Blvd., Houston, TX 77204, USA
| | - Yogeshwari S Ambekar
- Department of Biomedical Engineering, University of Houston, 3517 Cullen Blvd., Houston, TX 77204, USA
| | - Manmohan Singh
- Department of Biomedical Engineering, University of Houston, 3517 Cullen Blvd., Houston, TX 77204, USA
| | - Rajesh C Miranda
- Department of Neuroscience and Experimental Therapeutics, TAMHSC College of Medicine, 8441 Riverside Parkway, Bryan, TX 77807, USA
| | - Kirill V Larin
- Department of Biomedical Engineering, University of Houston, 3517 Cullen Blvd., Houston, TX 77204, USA
- Molecular Physiology and Biophysics, Baylor College of Medicine, One Baylor Plaza, Houston, TX 77206, USA
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7
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Claire R, Chamberlain C, Davey M, Cooper SE, Berlin I, Leonardi‐Bee J, Coleman T. Pharmacological interventions for promoting smoking cessation during pregnancy. Cochrane Database Syst Rev 2020; 3:CD010078. [PMID: 32129504 PMCID: PMC7059898 DOI: 10.1002/14651858.cd010078.pub3] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
BACKGROUND Tobacco smoking in pregnancy causes serious health problems for the developing fetus and mother. When used by non-pregnant smokers, pharmacotherapies (nicotine replacement therapy (NRT), bupropion, and varenicline) are effective for increasing smoking cessation, however their efficacy and safety in pregnancy remains unknown. Electronic cigarettes (ECs) are becoming widely used, but their efficacy and safety when used for smoking cessation in pregnancy are also unknown. OBJECTIVES To determine the efficacy and safety of smoking cessation pharmacotherapies and ECs used during pregnancy for smoking cessation in later pregnancy and after childbirth, and to determine adherence to smoking cessation pharmacotherapies and ECs for smoking cessation during pregnancy. SEARCH METHODS We searched the Cochrane Pregnancy and Childbirth Group's Trials Register (20 May 2019), trial registers, and grey literature, and checked references of retrieved studies. SELECTION CRITERIA Randomised controlled trials (RCTs) conducted in pregnant women, comparing smoking cessation pharmacotherapy or EC use with either placebo or no pharmacotherapy/EC control. We excluded quasi-randomised, cross-over, and within-participant designs, and RCTs with additional intervention components not matched between trial arms. DATA COLLECTION AND ANALYSIS We followed standard Cochrane methods. The primary efficacy outcome was smoking cessation in later pregnancy; safety was assessed by 11 outcomes (principally birth outcomes) that indicated neonatal and infant well-being. We also collated data on adherence to trial treatments. We calculated the risk ratio (RR) or mean difference (MD) and the 95% confidence intervals (CI) for each outcome for each study, where possible. We grouped eligible studies according to the type of comparison. We carried out meta-analyses where appropriate. MAIN RESULTS We included 11 trials that enrolled a total of 2412 pregnant women who smoked at enrolment, nine trials of NRT and two trials of bupropion as adjuncts to behavioural support, with comparable behavioural support provided in the control arms. No trials investigated varenicline or ECs. We assessed four trials as at low risk of bias overall. The overall certainty of the evidence was low across outcomes and comparisons as assessed using GRADE, with reductions in confidence due to risk of bias, imprecision, and inconsistency. Compared to placebo and non-placebo (behavioural support only) controls, there was low-certainty evidence that NRT increased the likelihood of smoking abstinence in later pregnancy (RR 1.37, 95% CI 1.08 to 1.74; I² = 34%, 9 studies, 2336 women). However, in subgroup analysis by comparator type, there was a subgroup difference between placebo-controlled and non-placebo controlled RCTs (test for subgroup differences P = 0.008). There was unclear evidence of an effect in placebo-controlled RCTs (RR 1.21, 95% CI 0.95 to 1.55; I² = 0%, 6 studies, 2063 women), whereas non-placebo-controlled trials showed clearer evidence of a benefit (RR 8.55, 95% CI 2.05 to 35.71; I² = 0%, 3 studies, 273 women). An additional subgroup analysis in which studies were grouped by the type of NRT used found no difference in the effectiveness of NRT in those using patches or fast-acting NRT (test for subgroup differences P = 0.08). There was no evidence of a difference between NRT and control groups in rates of miscarriage, stillbirth, premature birth, birthweight, low birthweight, admissions to neonatal intensive care, caesarean section, congenital abnormalities, or neonatal death. In one study infants born to women who had been randomised to NRT had higher rates of 'survival without developmental impairment' at two years of age compared to the placebo group. Non-serious adverse effects observed with NRT included headache, nausea, and local reactions (e.g. skin irritation from patches or foul taste from gum), but data could not be pooled. Adherence to NRT treatment regimens was generally low. We identified low-certainty evidence that there was no difference in smoking abstinence rates observed in later pregnancy in women using bupropion when compared to placebo control (RR 0.74, 95% CI 0.21 to 2.64; I² = 0%, 2 studies, 76 women). Evidence investigating the safety outcomes of bupropion use was sparse, but the existing evidence showed no difference between the bupropion and control group. AUTHORS' CONCLUSIONS NRT used for smoking cessation in pregnancy may increase smoking cessation rates in late pregnancy. However, this evidence is of low certainty, as the effect was not evident when potentially biased, non-placebo-controlled RCTs were excluded from the analysis. Future studies may therefore change this conclusion. We found no evidence that NRT has either positive or negative impacts on birth outcomes; however, the evidence for some of these outcomes was also judged to be of low certainty due to imprecision and inconsistency. We found no evidence that bupropion may be an effective aid for smoking cessation during pregnancy, and there was little evidence evaluating its safety in this population. Further research evidence on the efficacy and safety of pharmacotherapy and EC use for smoking cessation in pregnancy is needed, ideally from placebo-controlled RCTs that achieve higher adherence rates and that monitor infants' outcomes into childhood. Future RCTs of NRT should investigate higher doses than those tested in the studies included in this review.
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Affiliation(s)
- Ravinder Claire
- University of NottinghamDivision of Primary CareRoom 1502, Tower Building, University ParkNottinghamNottinghamshireUKNG7 2RD
| | | | - Mary‐Ann Davey
- Monash UniversityDepartment of Obstetrics and Gynaecology246 Clayton RoadClaytonVictoriaAustralia3168
| | - Sue E Cooper
- University of NottinghamDivision of Primary CareRoom 1502, Tower Building, University ParkNottinghamNottinghamshireUKNG7 2RD
| | - Ivan Berlin
- Sorbonne Université, Faculté de medicine‐Hopital Pitie‐SalpetriereDepartment of Pharmacology47‐83 bd de l’HopitalParisFrance75013
| | - Jo Leonardi‐Bee
- University of NottinghamCentre for Evidence Based Healthcare, Division of Epidemiology and Public Health, Clinical Sciences Building Phase 2Nottingham City HospitalHucknall RoadNottinghamUKNG5 1PB
| | - Tim Coleman
- University of NottinghamDivision of Primary CareRoom 1502, Tower Building, University ParkNottinghamNottinghamshireUKNG7 2RD
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8
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Kondracki AJ. Prevalence and patterns of cigarette smoking before and during early and late pregnancy according to maternal characteristics: the first national data based on the 2003 birth certificate revision, United States, 2016. Reprod Health 2019; 16:142. [PMID: 31519184 PMCID: PMC6743116 DOI: 10.1186/s12978-019-0807-5] [Citation(s) in RCA: 42] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2019] [Accepted: 09/04/2019] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND The objective of this study was to examine the prevalence of smoking by intensity status before pregnancy and during early (first and second trimester) and late (third trimester) pregnancy according to race/ethnicity, age, and educational attainment of women who gave birth in the United States in 2016. METHODS This cross-sectional study was based on the 2016 National Center for Health Statistics (NCHS) Natality File of 3,956,112 live births, the first year that it became 100% nationally representative. Self-reported smoking data were used to create new seven smoking intensity status categories to capture natural variability in smoking patterns during pregnancy and to identify maternal smokers by race/ethnicity, age, and educational attainment. The risk of smoking at low and high intensity in early pregnancy was estimated in multivariable logistic regression analyses. RESULTS Nearly 9.4% of women reported smoking before pregnancy and 7.1% during pregnancy, both at high and low intensity, and smoking rates were higher in the first trimester (7.1%) than in the second (6.1%) or the third (5.7%) trimester. Non-Hispanic White women, women 20-24 years old, and women with less than a high school education were the strongest predictors of smoking anytime during pregnancy. The odds of smoking in early pregnancy at high intensity were 88% lower (aOR 0.12, 95% CI: 0.11, 0.13) for Hispanic women, compared to non-Hispanic White women; 16% higher (aOR 1.16, 95% CI: 1.12, 1.21) for women 20-24 years old and 16% lower (aOR 0.84, 95% CI: 0.80, 0.89) for women ≥35 years old, compared to women 25-29 years old; as well as 13% higher (aOR 1.13, 95% CI: 1.09, 1.18) for women with less than a high school education and 92% lower (aOR 0.08, 95% CI: 0.08, 0.09) for women with a bachelor's degree or higher, compared to women with a high school diploma. CONCLUSIONS Despite the high prevalence of high intensity smoking before and during pregnancy, future intervention strategies need to focus on the proportion of low intensity quitters and reducers, who are ready to stop smoking. Continual monitoring of trends in smoking intensity patterns is necessary, including neonatal outcomes over time.
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Affiliation(s)
- Anthony J Kondracki
- University of Maryland, School of Public Health, Maternal and Child Health, 4200 Valley Drive, College Park, MD, 20742, USA.
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Jawad A, Patel D, Brima N, Stephenson J. Alcohol, smoking, folic acid and multivitamin use among women attending maternity care in London: A cross-sectional study. SEXUAL & REPRODUCTIVE HEALTHCARE 2019; 22:100461. [PMID: 31494357 DOI: 10.1016/j.srhc.2019.100461] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2019] [Revised: 08/05/2019] [Accepted: 08/27/2019] [Indexed: 11/28/2022]
Abstract
OBJECTIVES This study describes the patterns of change in health behaviours that pregnant women adopt before and during pregnancy. STUDY DESIGN A cross-sectional survey of pregnant women asked questions about pregnancy planning, health knowledge, and health behaviour. Analysis was descriptive with associations examined using logistic regression models. MAIN OUTCOME MEASURES Health behaviours before and during pregnancy (smoking, alcohol consumption, and folic acid and multivitamin (supplement) intake), and recall of healthcare professional advice. RESULTS 1173 women completed the survey (mean age 32 ± 5 years, 68% white) of whom 73% indicated that their pregnancy was highly planned. 38% of women reported having never smoked, 45% quit smoking before becoming pregnant, and fewer (5%, 95% CI 3-6%) reported currently smoking. Current smokers reported reduced cigarette consumption compared to pre-pregnancy, and higher recall of health professional information. Nine percent (95% CI 5-8%) reported currently drinking, reducing the number of units consumed from 6 units weekly before pregnancy (IQR 2-10) to 1 unit weekly during pregnancy (IQR 1-2, p < 0.001). Most (62%) women were currently taking supplements, of whom 81% reported daily use. Women with more planned pregnancies had higher odds of adopting healthier behaviours of stopping smoking or drinking before pregnancy compared to those who stopped during pregnancy or continued the behaviour. CONCLUSIONS Most women adopted one or more healthy behaviours during pregnancy, with a small minority continuing to smoke or drink alcohol. For women who continued smoking in pregnancy and recalled information from health professionals, additional tailored approaches need to be explored.
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Affiliation(s)
- Aalaa Jawad
- Public Health Training Programme, Stewart House, London WC1B 5DN, United Kingdom.
| | - Dilisha Patel
- Reproductive Medicine, Institute for Women's Health, UCL, London, United Kingdom.
| | | | - Judith Stephenson
- Reproductive Medicine, Institute for Women's Health, UCL, London, United Kingdom.
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10
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Reasons for substance use continuation and discontinuation during pregnancy: A qualitative study. Women Birth 2019; 32:e57-e64. [DOI: 10.1016/j.wombi.2018.04.001] [Citation(s) in RCA: 79] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2017] [Revised: 03/20/2018] [Accepted: 04/02/2018] [Indexed: 01/09/2023]
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11
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Papadakis S, Vyzikidou VK, Vivilaki VG, Vardavas CI, Loukopoulou AN, Peleki T, Evangelopoulou V, Behrakis P. A pilot study of the Tobacco Treatment Guidelines for High-Risk Groups (TOB-G) for pregnant and postpartum women. Eur J Midwifery 2018; 2:16. [PMID: 33537577 PMCID: PMC7839106 DOI: 10.18332/ejm/99543] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Revised: 11/01/2018] [Accepted: 11/02/2018] [Indexed: 11/24/2022] Open
Abstract
INTRODUCTION Maternal smoking constitutes a significant risk to the fetus and is associated with multiple adverse pregnancy outcomes. Despite this, an estimated 6-19% of women in Europe smoke during pregnancy. We conducted a pilot study to examine the feasibility and effectiveness of the clinical practice recommendations of the 2017 Tobacco Cessation Guidelines for High-Risk Groups (TOB-G) for pregnant and postpartum women in an outpatient obstetrics setting. METHODS The guideline recommendations were tested on a sample of 67 pregnant women recruited from obstetrics outpatient visits. Pregnant women who smoked received three behavioural counselling sessions through a combination of face-toface and telephone consultations by a midwife trained in the TOBG tobacco treatment recommendations. Smoking status was assessed at 1 month and at 6 months follow-up via self-report. RESULTS Seventy-one per cent of pregnant smokers screened agreed to participate in the counselling intervention. Pregnant women participants (mean age, M=31.73 years, SD±6.09) smoked for an average of 12.2 (SD±6.55) years. Women reported smoking an average of 4.82 (SD±4.14) cigarettes per day with 51% reporting smoking within 30 minutes of waking, an indicator of higher levels of nicotine addiction. Rates of smoking abstinence among pregnant women undergoing the counselling intervention were 43.9% and 45.6% at the 1 month and at 6 months follow-up, respectively. Replacing those participants with missing data as smokers, the quit rates were 26.9% and 38.8% at the 1 month and 6 months follow-up, respectively. CONCLUSIONS The counselling intervention delivered to pregnant women who smoke was feasible to implement in a manner that was consistent with the TOB-G guideline recommendations in an outpatient obstetrics setting. Future work should focus on increasing uptake of evidence-based tobacco treatment recommendations in outpatient obstetrics settings.
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Affiliation(s)
- Sophia Papadakis
- George D. Behrakis Research Lab, Hellenic Cancer Society, Athens, Greece.,Institute of Public Health, American College of Greece, Athens, Greece.,Division of Prevention and Rehabilitation, University of Ottawa Heart Institute, Ottawa, Canada.,Faculty of Medicine, University of Ottawa, Ottawa, Canada
| | | | | | - Constantine I Vardavas
- George D. Behrakis Research Lab, Hellenic Cancer Society, Athens, Greece.,Institute of Public Health, American College of Greece, Athens, Greece.,Hellenic Centre for Disease Control and Prevention, Athens, Greece
| | | | - Theodosia Peleki
- George D. Behrakis Research Lab, Hellenic Cancer Society, Athens, Greece.,Institute of Public Health, American College of Greece, Athens, Greece
| | - Vaso Evangelopoulou
- George D. Behrakis Research Lab, Hellenic Cancer Society, Athens, Greece.,Hellenic Centre for Disease Control and Prevention, Athens, Greece
| | - Panagiotis Behrakis
- George D. Behrakis Research Lab, Hellenic Cancer Society, Athens, Greece.,Institute of Public Health, American College of Greece, Athens, Greece.,Hellenic Centre for Disease Control and Prevention, Athens, Greece.,Biomedical Research Foundation of the Athens Academy, Athens, Greece.,Academy of Medicine, University of Athens, Athens, Greece
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12
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Bovill M, Bar-Zeev Y, Gruppetta M, Clarke M, Nicholls K, O'Mara P, Bonevski B, Reath J, Gould G. Giri-nya-la-nha (talk together) to explore acceptability of targeted smoking cessation resources with Australian Aboriginal women. Public Health 2018; 176:149-158. [PMID: 30392971 DOI: 10.1016/j.puhe.2018.08.010] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Revised: 06/18/2018] [Accepted: 08/30/2018] [Indexed: 12/27/2022]
Abstract
OBJECTIVES To engage with health providers and Aboriginal women to understand what educational resources they want and need to support quit smoking attempts during pregnancy in order to develop a comprehensive evidence-based intervention. STUDY DESIGN Resources were developed in partnership with Aboriginal people, communities and academics with the aim to be inclusive of diverse communities. We then recruited Aboriginal women of various ages for yarning circles (focus groups) held in three Australian states to explore the acceptability of the resources and seeking further guidance as to the needs of Aboriginal women to support smoking cessation during pregnancy. METHODS Yarning circles were recorded and transcribed, and data were analysed independently by two researchers. Responses were coded using predetermined themes and further general inductive analysis for emergent themes. RESULTS Twenty-four Aboriginal women reflected on the resources they included: one pregnant woman, 15 mothers and eight elders. Predetermined themes of attraction, comprehension, cultural acceptability, graphics and layout, persuasion and self-efficacy were explored. Women suggested the following: resources need to be visually attractive and interactive to enhance self-efficacy; additional scientific content on health consequences of smoking and combining with non-pharmacological approaches to quitting. CONCLUSION Indigenous peoples prefer culturally targeted messages. However, developing effective Aboriginal health promotion requires more than a 'culturally appropriate' adaptation of mainstream resources. Consideration needs to be given to the diversity of Aboriginal communities when developing effective, evidence-based interventions. Aboriginal women are calling for innovative and interactive resources that enhance self-efficacy; the use of videos to explain medical and informational brochure content is well received. Requests for non-pharmacological cessation options were reported in New South Wales and Queensland and should be further explored.
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Affiliation(s)
- M Bovill
- School of Medicine and Public Health, University of Newcastle, NSW, Australia.
| | - Y Bar-Zeev
- School of Medicine and Public Health, University of Newcastle, NSW, Australia
| | - M Gruppetta
- Wollotuka Institute, University of Newcastle, NSW, Australia
| | - M Clarke
- OBGYN, Clarence Specialist Clinic, Australia
| | - K Nicholls
- School of Medicine and Public Health, University of Newcastle, NSW, Australia
| | - P O'Mara
- School of Medicine and Public Health, University of Newcastle, NSW, Australia
| | - B Bonevski
- School of Medicine and Public Health, University of Newcastle, NSW, Australia
| | - J Reath
- School of Medicine, Western Sydney University, Australia
| | - G Gould
- School of Medicine and Public Health, University of Newcastle, NSW, Australia
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13
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Tsakiridis I, Mamopoulos A, Papazisis G, Petousis S, Liozidou A, Athanasiadis A, Dagklis T. Prevalence of smoking during pregnancy and associated risk factors: a cross-sectional study in Northern Greece. Eur J Public Health 2018; 28:321-325. [DOI: 10.1093/eurpub/cky004] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023] Open
Affiliation(s)
- Ioannis Tsakiridis
- 3rd Department of Obstetrics and Gynaecology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Apostolos Mamopoulos
- 3rd Department of Obstetrics and Gynaecology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Georgios Papazisis
- Department of Clinical Pharmacology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Stamatios Petousis
- 3rd Department of Obstetrics and Gynaecology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Athanasia Liozidou
- Department of Psychology, Faculty of Human Sciences, Athens Metropolitan College, Athens, Greece
| | - Apostolos Athanasiadis
- 3rd Department of Obstetrics and Gynaecology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
| | - Themistoklis Dagklis
- 3rd Department of Obstetrics and Gynaecology, School of Medicine, Aristotle University of Thessaloniki, Thessaloniki, Greece
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Preconception and Prenatal Smoking among Maine Women: Defining Risk and Determining the Impact of Efforts by Care Providers to Promote Cessation. J Smok Cessat 2017. [DOI: 10.1017/jsc.2017.8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022] Open
Abstract
Introduction: Smoking before and during pregnancy is a risk for women and their babies, but encouraging tobacco abstinence challenges practitioners.Aims: We define correlates of tobacco use around pregnancy and determine the impact of providers’ efforts to encourage abstinence.Methods: We analysed responses (2000 – 2010) from the Pregnancy Risk Assessment Monitoring System questionnaire for Maine, United States, a state with higher than average smoking rates. We performed multivariable logistic regression analysis with demographic and behavioural independent variables, and smoking in the last 3 months before and in the last 3 months of pregnancy as dependent variables.Results: Of 12,409 questionnaire responders, 32% smoked before pregnancy; 60.5% of these women continued during pregnancy. Women were more likely to smoke before pregnancy and to continue during pregnancy if they had a previous birth, were unmarried, had ≤ a high school education, or had a household income ≤ $20,000/year. Pre-pregnancy smokers were more likely to continue smoking during pregnancy if their gestational weight gain was less than recommended and, surprisingly, if they recalled a provider discussion about smoking cessation.Conclusions: We identify women at risk for smoking before and during pregnancy and demonstrate that current tobacco abstinence interventions by providers may not always be effective.
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15
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Baraona LK, Lovelace D, Daniels JL, McDaniel L. Tobacco Harms, Nicotine Pharmacology, and Pharmacologic Tobacco Cessation Interventions for Women. J Midwifery Womens Health 2017; 62:253-269. [PMID: 28556464 DOI: 10.1111/jmwh.12616] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2016] [Revised: 01/25/2017] [Accepted: 02/02/2017] [Indexed: 01/13/2023]
Abstract
Firsthand and secondhand tobacco use is linked to a multitude of harmful illnesses, adverse perinatal outcomes, and death. Cessation attempts among women may be hampered by their unique biologic response to nicotine. Current research has revealed epigenetic changes from intrauterine nicotine exposure that have intergenerational consequences. Multiple studies have demonstrated the efficacy of various pharmacologic tobacco cessation interventions in conjunction with behavioral counseling. Based on this evidence, the US Preventative Services Task Force (USPSTF) 2015 guideline recommends pharmacologic therapy for all nonpregnant persons who smoke in addition to behavioral counseling. The effectiveness of pharmacologic treatments among pregnant women is less clear, with far fewer studies evaluating potential benefits and harms. While exposure to pharmacologic therapies raises concerns for fetal safety, these potential risks must be weighed against those of continued tobacco use, which guarantees fetal exposure to nicotine. First-line tobacco cessation medications include nicotine replacement therapy (NRT), bupropion, and varenicline. Second-line medications include nortriptyline and clonidine. Pharmacokinetics, effectiveness, regimens, and safety profiles for nonpregnant, pregnant, and lactating women are reviewed. Alternative tobacco cessation options and potential new pharmacologic tobacco cessation agents are discussed. Initiating brief interventions, using the 5A's and 5R's model is described.
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Nur N. Association of risk factors with smoking during pregnancy among women of childbearing age: an epidemiological field study in Turkey. SAO PAULO MED J 2017; 135:100-106. [PMID: 28380202 PMCID: PMC9977337 DOI: 10.1590/1516-3180.2016.021921102016] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2016] [Accepted: 10/21/2016] [Indexed: 12/12/2022] Open
Abstract
CONTEXT AND OBJECTIVE: Smoking during pregnancy is an important risk factor for maternal and infant health that is preventable. This study aimed to investigate the risk factors associated with smoking behavior during pregnancy. DESIGN AND SETTING: A household-based probability sample survey of 1,510 women was conducted in the center of the city of Sivas, Turkey, between September 2013 and May 2014. METHODS: The prevalence of smoking during pregnancy was estimated according to independent variables by means of regression analysis. RESULTS: The prevalence of smoking during pregnancy was 16.5%. Logistic regression showed that being at a relatively young age (odds ratio, OR = 1.92, P = 0.025 for 15-24 age group; and OR = 2.45, P = 0.001 for 25-34 age group), having a low educational level (OR = 1.76, P = 0.032), being unmarried (OR = 1.48, P = 0.002) and living in an extended family (OR = 1.98, P = 0.009) were the factors associated with the risk of smoking during pregnancy. CONCLUSIONS: Systematic attention should be paid to socioeconomic inequalities, to support women towards quitting smoking before or at an early stage of their pregnancies. Younger women and particularly those in lower socioeconomic groups should be targeted. This will lead to better pregnancy status, especially among young women.
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Affiliation(s)
- Naim Nur
- MD. Professor, Department of Public Health, School of Medicine, Cumhuriyet University, Sivas, Turkey.
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17
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Chamberlain C, O'Mara‐Eves A, Porter J, Coleman T, Perlen SM, Thomas J, McKenzie JE. Psychosocial interventions for supporting women to stop smoking in pregnancy. Cochrane Database Syst Rev 2017; 2:CD001055. [PMID: 28196405 PMCID: PMC6472671 DOI: 10.1002/14651858.cd001055.pub5] [Citation(s) in RCA: 158] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
BACKGROUND Tobacco smoking remains one of the few preventable factors associated with complications in pregnancy, and has serious long-term implications for women and babies. Smoking in pregnancy is decreasing in high-income countries, but is strongly associated with poverty and is increasing in low- to middle-income countries. OBJECTIVES To assess the effects of smoking cessation interventions during pregnancy on smoking behaviour and perinatal health outcomes. SEARCH METHODS In this sixth update, we searched the Cochrane Pregnancy and Childbirth Group's Trials Register (13 November 2015), checked reference lists of retrieved studies and contacted trial authors. SELECTION CRITERIA Randomised controlled trials, cluster-randomised trials, and quasi-randomised controlled trials of psychosocial smoking cessation interventions during pregnancy. DATA COLLECTION AND ANALYSIS Two review authors independently assessed trials for inclusion and trial quality, and extracted data. Direct comparisons were conducted in RevMan, with meta-regression conducted in STATA 14. MAIN RESULTS The overall quality of evidence was moderate to high, with reductions in confidence due to imprecision and heterogeneity for some outcomes. One hundred and two trials with 120 intervention arms (studies) were included, with 88 trials (involving over 28,000 women) providing data on smoking abstinence in late pregnancy. Interventions were categorised as counselling, health education, feedback, incentives, social support, exercise and dissemination.In separate comparisons, there is high-quality evidence that counselling increased smoking cessation in late pregnancy compared with usual care (30 studies; average risk ratio (RR) 1.44, 95% confidence interval (CI) 1.19 to 1.73) and less intensive interventions (18 studies; average RR 1.25, 95% CI 1.07 to 1.47). There was uncertainty whether counselling increased the chance of smoking cessation when provided as one component of a broader maternal health intervention or comparing one type of counselling with another. In studies comparing counselling and usual care (largest comparison), it was unclear whether interventions prevented smoking relapse among women who had stopped smoking spontaneously in early pregnancy. However, a clear effect was seen in smoking abstinence at zero to five months postpartum (11 studies; average RR 1.59, 95% CI 1.26 to 2.01) and 12 to 17 months (two studies, average RR 2.20, 95% CI 1.23 to 3.96), with a borderline effect at six to 11 months (six studies; average RR 1.33, 95% CI 1.00 to 1.77). In other comparisons, the effect was unclear for most secondary outcomes, but sample sizes were small.Evidence suggests a borderline effect of health education compared with usual care (five studies; average RR 1.59, 95% CI 0.99 to 2.55), but the quality was downgraded to moderate as the effect was unclear when compared with less intensive interventions (four studies; average RR 1.20, 95% CI 0.85 to 1.70), alternative interventions (one study; RR 1.88, 95% CI 0.19 to 18.60), or when smoking cessation health education was provided as one component of a broader maternal health intervention.There was evidence feedback increased smoking cessation when compared with usual care and provided in conjunction with other strategies, such as counselling (average RR 4.39, 95% CI 1.89 to 10.21), but the confidence in the quality of evidence was downgraded to moderate as this was based on only two studies and the effect was uncertain when feedback was compared to less intensive interventions (three studies; average RR 1.29, 95% CI 0.75 to 2.20).High-quality evidence suggests incentive-based interventions are effective when compared with an alternative (non-contingent incentive) intervention (four studies; RR 2.36, 95% CI 1.36 to 4.09). However pooled effects were not calculable for comparisons with usual care or less intensive interventions (substantial heterogeneity, I2 = 93%).High-quality evidence suggests the effect is unclear in social support interventions provided by peers (six studies; average RR 1.42, 95% CI 0.98 to 2.07), in a single trial of support provided by partners, or when social support for smoking cessation was provided as part of a broader intervention to improve maternal health.The effect was unclear in single interventions of exercise compared to usual care (RR 1.20, 95% CI 0.72 to 2.01) and dissemination of counselling (RR 1.63, 95% CI 0.62 to 4.32).Importantly, high-quality evidence from pooled results demonstrated that women who received psychosocial interventions had a 17% reduction in infants born with low birthweight, a significantly higher mean birthweight (mean difference (MD) 55.60 g, 95% CI 29.82 to 81.38 g higher) and a 22% reduction in neonatal intensive care admissions. However the difference in preterm births and stillbirths was unclear. There did not appear to be adverse psychological effects from the interventions.The intensity of support women received in both the intervention and comparison groups has increased over time, with higher-intensity interventions more likely to have higher-intensity comparisons, potentially explaining why no clear differences were seen with increasing intervention intensity in meta-regression analyses. Among meta-regression analyses: studies classified as having 'unclear' implementation and unequal baseline characteristics were less effective than other studies. There was no clear difference between trials implemented by researchers (efficacy studies), and those implemented by routine pregnancy staff (effectiveness studies), however there was uncertainty in the effectiveness of counselling in four dissemination trials where the focus on the intervention was at an organisational level. The pooled effects were similar in interventions provided for women classified as having predominantly low socio-economic status, compared to other women. The effect was significant in interventions among women from ethnic minority groups; however not among indigenous women. There were similar effect sizes in trials with biochemically validated smoking abstinence and those with self-reported abstinence. It was unclear whether incorporating use of self-help manuals or telephone support increased the effectiveness of interventions. AUTHORS' CONCLUSIONS Psychosocial interventions to support women to stop smoking in pregnancy can increase the proportion of women who stop smoking in late pregnancy and the proportion of infants born low birthweight. Counselling, feedback and incentives appear to be effective, however the characteristics and context of the interventions should be carefully considered. The effect of health education and social support is less clear. New trials have been published during the preparation of this review and will be included in the next update.
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Affiliation(s)
- Catherine Chamberlain
- La Trobe UniversityJudith Lumley Centre251 Faraday StreetMelbourneVicAustralia3000
- University of MelbourneMelbourne School of Population and Global HealthMelbourneAustralia
- Monash UniversitySchool of Public Health & Preventive MedicineMelbourneAustralia
- Murdoch Childrens Research InstituteHealthy Mothers Healthy Families Research GroupMelbourneVictoriaAustralia3052
| | - Alison O'Mara‐Eves
- University College LondonEPPI‐Centre, Social Science Research Unit, UCL Institute of Education18 Woburn SquareLondonUKWC1H 0NR
| | - Jessie Porter
- University of MelbourneMelbourne School of Population and Global HealthMelbourneAustralia
| | - Tim Coleman
- University of NottinghamDivision of Primary CareD1411, Medical SchoolQueen's Medical CentreNottinghamUKNG7 2UH
| | - Susan M Perlen
- Murdoch Childrens Research InstituteHealthy Mothers Healthy Families Research GroupMelbourneVictoriaAustralia3052
| | - James Thomas
- University College LondonEPPI‐Centre, Social Science Research Unit, UCL Institute of Education18 Woburn SquareLondonUKWC1H 0NR
| | - Joanne E McKenzie
- Monash UniversitySchool of Public Health & Preventive MedicineMelbourneAustralia
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Five year trends in maternal smoking behaviour reported at the first prenatal appointment. Ir J Med Sci 2017; 186:971-979. [PMID: 28190202 DOI: 10.1007/s11845-017-1575-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2016] [Accepted: 02/01/2017] [Indexed: 10/20/2022]
Abstract
BACKGROUND Maternal smoking is a key modifiable risk factor in preventing adverse pregnancy outcomes such as intrauterine growth restriction, preterm birth and stillbirth. AIM This observational study examined annual trends of maternal smoking reported at the first prenatal visit in women who delivered in a large university maternity hospital for the 5 years 2011-2015. METHODS We examined clinical and sociodemographic data computerised routinely for women who presented for prenatal care at the hospital between 2011 and 2015. Multinomial logistic regression was used to determine the maternal characteristics, health behaviours and psychiatric history associated with smoking behaviours. RESULTS Of the 42,509 women the mean age was 31.4 ± 5.5 years, mean Body Mass Index (BMI) was 25.6 ± 5.1 kg/m2, and 39.5% were nulliparas. Overall, 52.6% reported they had never smoked, 34.9% were ex-smokers, 10.5% smoked ≤10 cigarettes per day, 1.9% smoked ≥11 cigarettes per day and 0.1% smoked e-cigarettes. Between 2011 and 2015 the prevalence of maternal cigarette smoking decreased from 14.3 to 10.9% (P < 0.001). Smoking during pregnancy was most strongly associated with younger age, multiparity, unemployment, unplanned pregnancy, a history of psychiatric problems, alcohol intake and illicit drug usage. CONCLUSIONS The number of women who reported smoking at the first prenatal visit decreased annually. Amongst women who continue to smoke during pregnancy, there is a clustering of adverse lifestyle behaviour and psychological problems that may need to be addressed if smoking cessation interventions are going to succeed in improving fetal programming.
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Analysis of smoking cessation beliefs in pregnant smokers and ex-smokers using the Theory of Planned Behavior. J Public Health (Oxf) 2016. [DOI: 10.1007/s10389-016-0784-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
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20
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Goszczyńska E, Knol-Michałowska K, Petrykowska A. How do pregnant women justify smoking? A qualitative study with implications for nurses' and midwives' anti-tobacco interventions. J Adv Nurs 2016; 72:1567-78. [PMID: 26970542 DOI: 10.1111/jan.12949] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 02/03/2016] [Indexed: 11/29/2022]
Abstract
AIM To research the subjective lay justifications expressed by smoking pregnant women to explain why they use cigarettes during pregnancy and to determine a typology for these justifications. BACKGROUND Smoking pregnant mothers' awareness of the detrimental effects of smoking on foetal health frequently is a source of stress and cognitive dissonance (stemming from the contrast between viewing themselves as responsible mothers and smokers). One possible way to reduce these unpleasant feelings is acceptance or creation of beliefs allowing them to explain rationally why they continue this behaviour during pregnancy. DESIGN Qualitative design. METHODS Thematic analysis of the content of posts from the three largest Polish parenting on-line forums written between the time they were founded and 12 November 2012. The data were collected between September - October 2012. During the analysis of the selected 73 posts, each of which included subjective explanations of smoking during pregnancy, 151 fragments, each containing one lay justification, were identified and analysed. FINDINGS Thirty-five subthemes of lay justifications assigned to two main themes were developed. The first main theme includes convictions that undermine the need to break the nicotine addiction and the positive aspects resulting from quitting. The second main theme comprises beliefs that question the possibility to abstain from smoking and exaggerate the barriers in the process of quitting. CONCLUSIONS The creation of a typology of lay justifications might help nurses and midwives perform more effective anti-tobacco interventions geared specifically towards the thought patterns typical of pregnant women.
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Affiliation(s)
- Eliza Goszczyńska
- National Centre for Workplace Health Promotion, Nofer Institute of Occupational Medicine, Łódź, Poland
| | - Kamila Knol-Michałowska
- National Centre for Workplace Health Promotion, Nofer Institute of Occupational Medicine, Łódź, Poland
| | - Alicja Petrykowska
- National Centre for Workplace Health Promotion, Nofer Institute of Occupational Medicine, Łódź, Poland
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Vivilaki VG, Diamanti A, Tzeli M, Patelarou E, Bick D, Papadakis S, Lykeridou K, Katsaounou P. Exposure to active and passive smoking among Greek pregnant women. Tob Induc Dis 2016; 14:12. [PMID: 27051356 PMCID: PMC4820879 DOI: 10.1186/s12971-016-0077-8] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2015] [Accepted: 03/29/2016] [Indexed: 11/26/2022] Open
Abstract
Background Active smoking and exposure to passive smoke are responsible for numerous adverse pregnancy outcomes for women and their infants. The aim of this study was to explore the perceptions, attitudes, patterns of personal tobacco use and exposure to environmental smoke among a sample of pregnant women in Greece. Method A cross sectional survey was undertaken of 300 women identified from the perinatal care records of the Maternity Departments of two hospitals in Athens between February 2013 and May 2013. Data on active and passive maternal smoking status in the first, second, and third trimesters of pregnancy, fetal and neonatal tobacco related complications, exposure to environmental tobacco smoke during pregnancy, quit attempts, behaviors towards avoiding passive smoking and beliefs towards smoking cessation during pregnancy were collected using self-administered questionnaires on the 3rd postnatal day. Women also completed the Edinburgh Postnatal Depression Scale (EPDS). Results Of 300 women recruited to the study 48 % reported tobacco use during the first trimester of pregnancy. Amongst participants who were tobacco users, 83.3 % reported making an attempt to quit but less than half (45.1 %) were successful. Among women who continued to smoke during pregnancy the majority (55.8 %) reported that they felt unable to quit, and 9.3 % reported that they considered smoking cessation was not an important health issue for them. Participants who continued to smoke during pregnancy were more likely to report fetal (χ2 = 11.41; df = 5; p < 0.05) and newborn complications (χ2 = 6.41; df = 2; p < 0.05), including preterm birth and low birth weight. Participants who reported that their partners were smokers were more likely to smoke throughout their pregnancy (χ2 = 14.62; df = 1; p < 0.001). High rates of second-hand smoke exposure were reported among both smoking and non-smoking women. Pregnant smokers had significantly higher levels of postnatal depressive and anxiety symptomatology, as measured using the EPDS, than non-smokers. Conclusion Our data supports the importance of ensuring that pregnant women, their partners and close relatives are educated on the health risks of active and passive smoking and how these could have an adverse effect to their fetus and infants, as well as the pregnant women themselves.
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Affiliation(s)
- Victoria G Vivilaki
- Department of Midwifery, Technological Educational Institution of Athens, Athens, Greece
| | - Athina Diamanti
- Department of Midwifery, Technological Educational Institution of Athens, Athens, Greece ; GAIA Maternity Hospital, Athens, Greece
| | - Maria Tzeli
- Department of Midwifery, Technological Educational Institution of Athens, Athens, Greece
| | - Evridiki Patelarou
- King's College London, Florence Nightingale Faculty of Nursing and Midwifery, London, UK
| | - Debra Bick
- King's College London, Florence Nightingale Faculty of Nursing and Midwifery, London, UK
| | - Sophia Papadakis
- Division of Prevention and Rehabilitation, University of Ottawa Heart Institute & Faculty of Medicine, University of Ottawa, Ottawa, ON Canada
| | - Katerina Lykeridou
- Department of Midwifery, Technological Educational Institution of Athens, Athens, Greece
| | - Paraskevi Katsaounou
- Department of Critical Care and Pulmonary Services, University of Athens Medical School, Evangelismos Hospital, Athens, Greece
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Coleman T, Chamberlain C, Davey MA, Cooper SE, Leonardi-Bee J. Pharmacological interventions for promoting smoking cessation during pregnancy. Cochrane Database Syst Rev 2015:CD010078. [PMID: 26690977 DOI: 10.1002/14651858.cd010078.pub2] [Citation(s) in RCA: 102] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
BACKGROUND Smoking in pregnancy is a public health problem. When used by non-pregnant smokers, pharmacotherapies (nicotine replacement therapy (NRT), bupropion and varenicline) are effective for smoking cessation, however, their efficacy and safety in pregnancy remains unknown. Electronic Nicotine Delivery Systems (ENDS), or e-cigarettes, are becoming widely used but their efficacy and safety when used for smoking cessation in pregnancy are also unknown. OBJECTIVES To determine the efficacy and safety of smoking cessation pharmacotherapies (including NRT, varenicline and bupropion), other medications, or ENDS when used for smoking cessation in pregnancy. SEARCH METHODS We searched the Pregnancy and Childbirth Group's Trials Register (11 July 2015), checked references of retrieved studies, and contacted authors. SELECTION CRITERIA Randomised controlled trials (RCTs) conducted in pregnant women with designs that permit the independent effects of any type of pharmacotherapy or ENDS on smoking cessation to be ascertained were eligible for inclusion.The following RCT designs are included.Placebo-RCTs: any form of NRT, other pharmacotherapy, or ENDS, with or without behavioural support/cognitive behaviour therapy (CBT), or brief advice, compared with an identical placebo and behavioural support of similar intensity.RCTs providing a comparison between i) any form of NRT, other pharmacotherapy, or ENDS added to behavioural support/CBT, or brief advice and ii) behavioural support of similar (ideally identical) intensity.Parallel- or cluster-randomised trials were eligible for inclusion. Quasi-randomised, cross-over and within-participant designs were not, due to the potential biases associated with these designs. DATA COLLECTION AND ANALYSIS Two review authors independently assessed trials for inclusion and risk of bias and also independently extracted data and cross checked individual outcomes of this process to ensure accuracy. The primary efficacy outcome was smoking cessation in later pregnancy (in all but one trial, at or around delivery); safety was assessed by 11 outcomes (principally birth outcomes) that indicated neonatal and infant well-being; and we also collated data on adherence with trial treatments. MAIN RESULTS This review includes a total of nine trials which enrolled 2210 pregnant smokers: eight trials of NRT and one trial of bupropion as adjuncts to behavioural support/CBT. The risk of bias was generally low across trials with virtually all domains of the 'Risk of bias' assessment tool being satisfied for the majority of studies. We found no trials investigating varenicline or ENDS. Compared to placebo and non-placebo controls, there was a difference in smoking rates observed in later pregnancy favouring use of NRT (risk ratio (RR) 1.41, 95% confidence interval (CI) 1.03 to 1.93, eight studies, 2199 women). However, subgroup analysis of placebo-RCTs provided a lower RR in favour of NRT (RR 1.28, 95% CI 0.99 to 1.66, five studies, 1926 women), whereas within the two non-placebo RCTs there was a strong positive effect of NRT, (RR 8.51, 95% CI 2.05 to 35.28, three studies, 273 women; P value for random-effects subgroup interaction test = 0.01). There were no differences between NRT and control groups in rates of miscarriage, stillbirth, premature birth, birthweight, low birthweight, admissions to neonatal intensive care, caesarean section, congenital abnormalities or neonatal death. Compared to placebo group infants, at two years of age, infants born to women who had been randomised to NRT had higher rates of 'survival without developmental impairment' (one trial). Generally, adherence with trial NRT regimens was low. Non-serious side effects observed with NRT included headache, nausea and local reactions (e.g. skin irritation from patches or foul taste from gum), but these data could not be pooled. AUTHORS' CONCLUSIONS NRT used in pregnancy for smoking cessation increases smoking cessation rates measured in late pregnancy by approximately 40%. There is evidence, suggesting that when potentially-biased, non-placebo RCTs are excluded from analyses, NRT is no more effective than placebo. There is no evidence that NRT used for smoking cessation in pregnancy has either positive or negative impacts on birth outcomes. However, evidence from the only trial to have followed up infants after birth, suggests use of NRT promotes healthy developmental outcomes in infants. Further research evidence on NRT efficacy and safety is needed, ideally from placebo-controlled RCTs which achieve higher adherence rates and which monitor infants' outcomes into childhood. Accruing data suggests that it would be ethical for future RCTs to investigate higher doses of NRT than those tested in the included studies.
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Affiliation(s)
- Tim Coleman
- Division of Primary Care, University of Nottingham, D1411, Medical School, Queen's Medical Centre, Nottingham, UK, NG7 2UH
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Exploring the story of the smoking ban in Ireland as a neo-liberal project. SOCIAL THEORY & HEALTH 2015. [DOI: 10.1057/sth.2015.32] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Glover M, Kira A, Smith C. Enlisting “Aunties” to Support Indigenous Pregnant Women to Stop Smoking: Feasibility Study Results. Nicotine Tob Res 2015; 18:1110-5. [DOI: 10.1093/ntr/ntv146] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2015] [Accepted: 06/17/2015] [Indexed: 11/15/2022]
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Pledger AB. Exploring the experiences of pregnant women using an NHS stop smoking service: a qualitative study. Perspect Public Health 2015; 135:138-44. [PMID: 25925309 DOI: 10.1177/1757913915577156] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AIM The purpose of this article was to explore women's experiences of attempting to stop smoking while pregnant using National Health Service (NHS) support. METHOD A qualitative methodological approach was adopted to enable the researcher to develop an understanding of the women's experiences. Six individual semi-structured interviews were conducted with women who accessed an NHS stop smoking service while pregnant. The data were analysed using comparative analysis. RESULTS Five themes were identified: health risks, motivations to stop smoking, influences on smoking behaviour, feelings about smoking and experiences of using NHS stop smoking support. Motivation to stop smoking was predominantly due to concerns about their unborn baby's health, and knowledge of health risks was generally good. Limited information relating to the associated health risks of continued smoking in pregnancy from healthcare professionals appeared to be a common experience. External pressures both positively and negatively influenced the smoking status of the women. Stress was cited by all the women as a significant challenge to smoking cessation and something which they all struggled with. The women's experiences of using NHS support while pregnant was varied; some felt it adequately met their needs, while others felt that their expectations were not met. CONCLUSION Continued smoking in pregnancy is complex, and it appears that successful smoking cessation is related to a number of internal and external factors which present significant challenges for expectant mothers who smoke. Stress was found to be a major contributor in continued smoking; therefore, NHS stop smoking services should incorporate stress management techniques into stop smoking interventions. In addition, services should be flexible, adapting service provision to meet women's needs.
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Affiliation(s)
- Anne B Pledger
- Faculty of Health, Birmingham City University, Birmingham, UK
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Witt WP, Mandell KC, Wisk LE, Cheng ER, Chatterjee D, Wakeel F, Park H, Zarak D. Predictors of alcohol and tobacco use prior to and during pregnancy in the US: the role of maternal stressors. Arch Womens Ment Health 2015; 18:523-37. [PMID: 25449635 PMCID: PMC4445689 DOI: 10.1007/s00737-014-0477-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Accepted: 10/18/2014] [Indexed: 10/24/2022]
Abstract
The purpose of the study was to understand the association between stressful life events prior to conception (PSLEs) and women's alcohol and tobacco use prior to and during pregnancy, and the continuation of such use through pregnancy. Data were from the Early Childhood Longitudinal Study-Birth Cohort (n = 9,350). Data were collected in 2001. Exposure to PSLEs was defined by indications of death of a parent, spouse, or previous live born child, divorce or marital separation, or fertility problems prior to conception. Survey data determined alcohol and tobacco usage during the 3 months prior to and in the final 3 months of pregnancy. Weighted regressions estimated the effect of PSLEs on alcohol and tobacco use at each time point and on the continuation of use, adjusting for confounders. Experiencing any PSLE increased the odds of tobacco use prior to (adjusted odds ratio [AOR] 1.52, 95 % confidence interval (CI) 1.23-1.87) and during pregnancy (AOR 1.57, 95 % CI 1.19-2.07). Women exposed to PSLEs smoked nearly five additional packs of cigarettes in the 3 months prior to pregnancy (97 cigarettes, p = 0.011) and consumed 0.31 additional alcoholic drinks during the last 3 months of pregnancy than unexposed women. PSLEs are associated with tobacco use before pregnancy and alcohol and tobacco use during pregnancy. Alcohol and tobacco screening and cessation services should be implemented prior to and during pregnancy, especially for women who have experienced PSLEs.
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Affiliation(s)
- Whitney P. Witt
- Truven Health Analytics, 4819 Emperor Boulevard, Suite 125, Durham, NC 27703
| | - Kara C. Mandell
- Department of Population Health Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - Lauren E. Wisk
- Center for Child Health Care Studies, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA
| | - Erika R. Cheng
- Division of General Academic Pediatrics, Harvard Medical School and Massachusetts General Hospital for Children, Boston, MA
| | - Debanjana Chatterjee
- University of Minnesota-Twin Cities Medical School, Division of General Pediatrics and Adolescent Health, Minneapolis MN
| | - Fathima Wakeel
- Ferris State University College of Health Professions, Department of Public Health Programs, Big Rapids MI
| | - Hyojun Park
- Department of Population Health Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI
| | - Dakota Zarak
- Department of Population Health Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI
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Reissland N, Francis B, Kumarendran K, Mason J. Ultrasound observations of subtle movements: a pilot study comparing foetuses of smoking and nonsmoking mothers. Acta Paediatr 2015; 104:596-603. [PMID: 25761436 PMCID: PMC4654233 DOI: 10.1111/apa.13001] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2014] [Revised: 03/04/2015] [Accepted: 03/10/2015] [Indexed: 11/28/2022]
Abstract
AIM One way to assess foetal health of smokers is to ask mothers to count perceived movements, an unreliable method hiding differences in prenatal development. The aim of this pilot study was to assess subtle foetal movements in ultrasound scans and establish whether they differ in foetuses of mothers who smoked and nonsmoking mothers. METHODS This longitudinal pilot study recruited twenty mothers (16 nonsmoking; 4 smoking) scanned four times from 24 to 36 weeks gestation (80 ultrasound scans). Two types of fine-grained movements were coded offline and analysed using a Poisson log-linear mixed model. RESULTS Foetuses of smoking mothers showed a significantly higher rate of mouth movements compared to foetuses of nonsmoking mothers (p = 0.02), after controlling for maternal stress and depression. As pregnancy progressed, these differences between the smoking and nonsmoking groups widened. Differences between the two groups in the rate of foetal facial self-touch remained constant as pregnancy progressed and were borderline significant (p = 0.07). CONCLUSION Rates of foetal mouth movement and facial self-touch differ significantly between smokers and nonsmokers. A larger study is needed to confirm these results and to investigate specific effects, including the interaction of maternal stress and smoking. Additionally, the feasibility of this technique for clinical practice should be assessed.
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Affiliation(s)
| | - Brian Francis
- Department of Maths and Statistics Lancaster University Lancaster UK
| | | | - James Mason
- School of Medicine Pharmacy and Health Durham University Stockton UK
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R u a smkn m0m?: Aspects of a Text Messaging Smoking Cessation/Reduction Intervention for Younger Mothers. J Smok Cessat 2015. [DOI: 10.1017/jsc.2013.34] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
Introduction: Women who are younger in age are more likely to smoke during pregnancy and postpartum and tend to have less success with cessation/reduction. There is an unmet need for interventions targeted to pregnant and postpartum young women that provide them with support to quit/reduce long-term into the postpartum period and beyond.Aims: Our study aimed to gain an in-depth understanding of the perspectives of young pregnant and postpartum women of text messaging (TM) as a conduit for smoking cessation/reduction, and to determine the appropriate content, frequency, duration and unique features needed for an effective cessation/reduction TM programme.Methods: Six focus groups and six telephone interviews were convened with 36 pregnant and postpartum women 16–30 years of age.Results: Three main themes were identified: 1) topic areas that women would like TM to focus on; 2) the need for messages to be tailored; and 3) the importance for the programme to take a woman-centered approach.Conclusions: Respondents supported the idea of a TM cessation/reduction intervention and had clear programme recommendations. A personalised, woman-centered TM programme that meets a young woman's unique needs and addresses her concerns through her participation and direction is likely to empower and support her to quit/reduce.
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Marufu TC, Ahankari A, Coleman T, Lewis S. Maternal smoking and the risk of still birth: systematic review and meta-analysis. BMC Public Health 2015; 15:239. [PMID: 25885887 PMCID: PMC4372174 DOI: 10.1186/s12889-015-1552-5] [Citation(s) in RCA: 128] [Impact Index Per Article: 14.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2014] [Accepted: 02/16/2015] [Indexed: 11/18/2022] Open
Abstract
Background Smoking in pregnancy is known to be associated with a range of adverse pregnancy outcomes, yet there is a high prevalence of smoking among pregnant women in many countries, and it remains a major public health concern. We have conducted a systematic review and meta-analysis to provide contemporary estimates of the association between maternal smoking in pregnancy and the risk of stillbirth. Methods We searched four databases namely MEDLINE, EMBASE, Psych Info and Web of Science for all relevant original studies published until 31st December 2012. We included observational studies that measured the association between maternal smoking during pregnancy and the risk of stillbirth. Results 1766 studies were screened for title analysis, of which 34 papers (21 cohorts, 8 case controls and 5 cross sectional studies) met the inclusion criteria. In meta-analysis smoking during pregnancy was significantly associated with a 47% increase in the odds of stillbirth (OR 1.47, 95% CI 1.37, 1.57, p < 0.0001). In subgroup analysis, smoking 1-9 cig/day and ≥10 cig/day was associated with an 9% and 52% increase in the odds of stillbirth respectively. Subsequently, studies defining stillbirth at ≥ 20 weeks demonstrated a 43% increase in odds for smoking mothers compared to mothers who do not smoke, (OR 1.43, 95% CI 1.32, 1.54, p < 0.0001), whereas studies with stillbirth defined at ≥ 24 weeks and ≥ 28 weeks showed 58% and 33% increase in the odds of stillbirth respectively. Conclusion Our review confirms a dose-response effect of maternal smoking in pregnancy on risk of stillbirth. To minimise the risk of stillbirth, reducing current smoking prevalence in pregnancy should continue to be a key public health high priority. Electronic supplementary material The online version of this article (doi:10.1186/s12889-015-1552-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Takawira C Marufu
- Division of Epidemiology and Public Health, Faculty of Medicine and Health Sciences, University of Nottingham, Clinical Sciences Building 2, Nottingham City Hospital, Hucknall Road, Nottingham, NG5 1 PB, UK.
| | - Anand Ahankari
- Division of Epidemiology and Public Health, Faculty of Medicine and Health Sciences, University of Nottingham, Clinical Sciences Building 2, Nottingham City Hospital, Hucknall Road, Nottingham, NG5 1 PB, UK. .,Halo Medical Foundation, Osmanabad, India.
| | - Tim Coleman
- Division of Primary Care, Faculty of Medicine and Health Sciences, University of Nottingham, Nottingham, UK.
| | - Sarah Lewis
- Division of Epidemiology and Public Health, Faculty of Medicine and Health Sciences, University of Nottingham, Clinical Sciences Building 2, Nottingham City Hospital, Hucknall Road, Nottingham, NG5 1 PB, UK.
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Smedberg J, Lupattelli A, Mårdby AC, Øverland S, Nordeng H. The relationship between maternal depression and smoking cessation during pregnancy--a cross-sectional study of pregnant women from 15 European countries. Arch Womens Ment Health 2015; 18:73-84. [PMID: 25352316 DOI: 10.1007/s00737-014-0470-3] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/12/2014] [Accepted: 10/18/2014] [Indexed: 12/16/2022]
Abstract
Epidemiologic studies have reported an association between depression and continuing smoking during pregnancy. However, differences in study design and methodology challenge study comparability. The purpose of this study was to examine the relationship between maternal depression and continuing smoking among pregnant European women while adjusting for maternal characteristics. This multinational, web-based study evaluated pregnant women in 15 European countries recruited from October 2011 to February 2012. Data on depression status, smoking habits, maternal socio-demographic characteristics, and life-style factors were collected via an anonymous online questionnaire. Associations were estimated with logistic regression. Of 4,295 women included, 1,481 (34.5 %) reported smoking before pregnancy, and 391 (26.4 %) continued smoking during pregnancy whereof 127 (32.5 %) were depressed. The association between depression and continuing smoking during pregnancy were uniform across the European countries (OR 2.02, 95 % CI 1.50-2.71), with about twice the prevalence of continuing smoking among the depressed. There was a strong relationship between continuing smoking in pregnancy and low education level (OR 4.46, 95 % CI 2.72-7.32), which coincided with risky pregnancy behavior such as failure to attend pregnancy/birth preparation courses (OR 1.80, 95 % CI 1.19-2.72) and follow recommended use of folic acid (OR 1.81, 95 % CI 1.23-2.65). Women who perceived the risk for the fetus of continued smoking during pregnancy as higher were the least likely to continue smoking during pregnancy (OR 0.72, 95 % CI 0.68-0.77). This underlines the clustering of risk in some pregnant women, and the results should guide antenatal care of depressed women struggling to quit smoking during pregnancy.
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Gamble J, Grant J, Tsourtos G. Missed opportunities: a qualitative exploration of the experiences of smoking cessation interventions among socially disadvantaged pregnant women. Women Birth 2014; 28:8-15. [PMID: 25438715 DOI: 10.1016/j.wombi.2014.11.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2014] [Revised: 11/08/2014] [Accepted: 11/08/2014] [Indexed: 11/28/2022]
Abstract
BACKGROUND AND AIM Pregnant women who smoke are rarely consulted in the design and evaluation of the interventions that target them. In Australia, women will typically be counselled for smoking cessation as a part of routine antenatal care. However this approach achieves only modest rates of cessation. This study aimed to privilege the perspectives of women from low socioeconomic backgrounds who are most likely to smoke during pregnancy and who are less likely to quit spontaneously. METHODS Guided by feminist principles, in-depth interviews were undertaken with a purposive sample of six pregnant women, who resided in lower socioeconomic status areas in South Australia. Their experiences and views of being part of a smoking cessation intervention in metropolitan Adelaide were explored. Transcriptions were thematically analysed using an inductive approach and an open coding framework. FINDINGS An over-arching theme of 'missed opportunities' and four inter-related sub-themes encapsulated the predominantly negative experiences of the intervention for the women. The women's interest in quitting was hindered by a didactic communication style employed by maternity care professionals. The participants' information and support needs were reported as being superficially managed by maternity care professionals or Quitline workers who provided care in routine ways. CONCLUSIONS These findings indicate that smoking cessation interventions and associated Quitline support needs to become more personalised and sensitive to the needs of women who face barriers posed by complex socio-economic disadvantage. These findings have important policy and practice implications for Australian public maternity care settings where smoking cessation interventions are embedded.
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Affiliation(s)
- Jenni Gamble
- Public Health, School of Health Sciences, Flinders University, Sturt Road, Bedford Park, South Australia, Australia.
| | - Julian Grant
- School of Nursing and Midwifery, Flinders University, Sturt Road, Bedford Park, South Australia, Australia
| | - George Tsourtos
- Public Health, School of Health Sciences, Flinders University, Sturt Road, Bedford Park, South Australia, Australia
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Glover M, Kira A, Walker N, Bauld L. Using Incentives to Encourage Smoking Abstinence Among Pregnant Indigenous Women? A Feasibility Study. Matern Child Health J 2014; 19:1393-9. [DOI: 10.1007/s10995-014-1645-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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Abstract
OBJECTIVES Although aware that smoking while pregnant presents serious risks to their unborn children, some women continue to smoke and rationalise their dissonance rather than quit. We explored metaphors women used to frame smoking and quitting, then developed cessation messages that drew on these metaphors and examined the perceived effectiveness of these. PARTICIPANTS We used a two-phase qualitative study. Phase one involved 13 in-depth interviews with women who were smoking (or who had smoked) while pregnant. Phase two comprised 22 in-depth interviews with a new sample drawn from the same population. ANALYSES Data were analysed using thematic analysis, which promoted theme identification independently of the research protocol. RESULTS Participants often described smoking as a choice, a frame that explicitly asserted control over their behaviour. This stance allowed them to counter-argue messages to quit, and distanced them from the risks they created and faced. Messages tested in phase 2 used strong affective appeals as well as themes that stimulated cognitive reflection. Without exception, the messages depicting unwell or distressed children elicited strong emotional responses, were more powerful cessation stimuli, and elicited fewer counter-arguments. CONCLUSIONS Cessation messages that evoke strong affective responses capitalise on the dissonance many women feel when smoking while pregnant and stimulate stronger consideration of quitting. Given the importance of promoting cessation among pregnant women, future campaigns could make greater use of emotional appeals and place less emphasis on informational approaches, which often prompt vigorous counter-arguments.
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Affiliation(s)
- Janet Hoek
- Department of Marketing, University of Otago, New Zealand
| | - Heather Gifford
- Whakauae Research for a Māori Health and Development, Whanganui, New Zealand
| | - Ninya Maubach
- Department of Marketing, University of Otago, New Zealand
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Chen LS, Baker TB, Piper ME, Smith SS, Gu C, Grucza RA, Smith GD, Munafo M, Bierut LJ. Interplay of genetic risk (CHRNA5) and environmental risk (partner smoking) on cigarette smoking reduction. Drug Alcohol Depend 2014; 143:36-43. [PMID: 25073833 PMCID: PMC4161618 DOI: 10.1016/j.drugalcdep.2014.06.027] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/04/2014] [Revised: 05/19/2014] [Accepted: 06/01/2014] [Indexed: 01/27/2023]
Abstract
BACKGROUND This study tests whether the genetic predictor (CHRNA5 nicotine receptor gene variants) and an environmental risk factor (partner smoking) interact in the prediction of smoking reduction. METHODS Subjects were from a community-based, longitudinal study of women (n=1856) who smoked before pregnancy, and a randomized comparative effectiveness smoking cessation trial (n=1065). Smoking reduction was defined as the trajectory of self-reported smoking quantities over time in the observational study, and as the trajectory of alveolar CO levels in the cessation trial. RESULTS In the pregnancy study, rs16969968 genotype and partner smoking status interacted such that the smoking reduction was lowest for expectant mothers with high genetic risk and partner smoking, and highest for those with high genetic risk but not partner smoking (interaction of genotype×partner smoking on smoking quantity trajectory slope β=0.071, 95%CI=0.013, 0.13, p=0.017). In the clinical trial, a similar interaction was found (interaction β=0.20, 95%CI=0.049, 0.36, p=0.010). Furthermore, these associations were moderated by pharmacotherapy such that the interactive relation of genetic and environmental factors occurred in the placebo group, but not in the active pharmacotherapy group (interaction of genotype×partner smoking×pharmacotherapy on CO trajectory slope β=-0.25, 95%CI=-0.42, -0.091, p=0.0023). CONCLUSIONS The CHRNA5 genetic risk synergized the effect of partner smoking, producing an especially low likelihood of successful smoking reduction in two complementary studies. This suggests that the genetic vulnerability may be mitigated by altering environmental factors. In addition, cessation pharmacotherapy neutralizes the increase in cessation failure associated with combined genetic and environmental risks, which has possible relevance to treatment algorithms.
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Affiliation(s)
- Li-Shiun Chen
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO 63110, United States.
| | - Timothy B Baker
- Tobacco Research and Intervention, University of Wisconsin, School of Medicine, Madison, WI 53711, United States
| | - Megan E Piper
- Tobacco Research and Intervention, University of Wisconsin, School of Medicine, Madison, WI 53711, United States
| | - Stevens S Smith
- Tobacco Research and Intervention, University of Wisconsin, School of Medicine, Madison, WI 53711, United States
| | - Charles Gu
- Division of Biostatistics, Department of Medicine, Washington University School of Medicine, St. Louis, MO 63110, United States
| | - Richard A Grucza
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO 63110, United States
| | - George Davey Smith
- Avon Longitudinal Study of Parents and Children (ALSPAC), School of Social and Community Medicine, University of Bristol, Bristol, United Kingdom; MRC Integrative Epidemiology Unit, University of Bristol, Bristol, United Kingdom
| | - Marcus Munafo
- MRC Integrative Epidemiology Unit, University of Bristol, Bristol, United Kingdom; UK Centre for Tobacco and Alcohol Studies, School of Experimental Psychology, University of Bristol, Bristol, United Kingdom
| | - Laura J Bierut
- Department of Psychiatry, Washington University School of Medicine, St. Louis, MO 63110, United States
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Waldie KE, Thompson JM, Mia Y, Murphy R, Wall C, Mitchell EA. Risk factors for migraine and tension-type headache in 11 year old children. J Headache Pain 2014; 15:60. [PMID: 25205384 PMCID: PMC4162739 DOI: 10.1186/1129-2377-15-60] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2014] [Accepted: 09/06/2014] [Indexed: 01/03/2023] Open
Abstract
BACKGROUND Though migraine and tension type headache are both commonly diagnosed in childhood, little is known about their determinants when diagnosed prior to puberty onset. Our aim was to determine psychosocial- and health-related risk factors of migraine and tension-type headache in 11 year old children. METHODS 871 New Zealand European children were enrolled in a longitudinal study at birth and data were collected at birth, 1, 3.5, 7, and 11 years of age. Primary headache was determined at age 11 years based on the International Headache Society. Perinatal factors assessed were small for gestational age status, sex, maternal smoking during pregnancy, maternal perceived stress, and maternal school leaving age. Childhood factors assessed were sleep duration, percent body fat, television watching, parent and self-reported total problem behaviour, being bullied, and depression. RESULTS Prevalence of migraine and tension-type headache was 10.5% and 18.6%, respectively. Both migraine and TTH were significantly associated with self-reported problem behaviour in univariable logistic regression analyses. Additionally, migraine was associated with reduced sleep duration, and both sleep and behaviour problems remained significant after multivariable analyses. TTH was also significantly associated with antenatal maternal smoking, higher body fat, and being bullied. For TTH, problem behaviour measured at ages 3.5 and 11 years both remained significant after multivariable analysis. Being born small for gestational age was not associated with either headache group. CONCLUSIONS Although they share some commonality, migraine and tension-type headache are separate entities in childhood with different developmental characteristics. The association between primary headache and problem behaviour requires further investigation.
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Affiliation(s)
- Karen E Waldie
- School of Psychology, Faculty of Science, The University of Auckland, Private Bag 92019, Auckland 1142, New Zealand.
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Joo HS, Kim CB, Nam EW, Lee MY, Park MB. Comparison of Health-related Behaviors in Pregnant Women and Breast-feeding Mothers vs Non-pregnant Women. KOREAN JOURNAL OF WOMEN HEALTH NURSING 2014; 20:185-194. [PMID: 37684794 DOI: 10.4069/kjwhn.2014.20.3.185] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/10/2023] Open
Abstract
PURPOSE The aim of this study was to assess health-related behavior of pregnant women and breastfeeding mothers by investigating relevant risk factors. METHODS Data of 10,396 women (age 19 to 49 years) from the Korea National Health and Nutrition Examination Survey report from 2007 to 2012 was used to analyze factors associated with health-related behavior. The subjects were divided into pregnant women; breastfeeding mothers; and non-pregnant women. Bottle feeding mothers were excluded. RESULTS Current smoking rate including self-reported smoker and/or positive cotinine urine test were lower for pregnant or breast-feeding group than non-pregnant group. Heavy-drinking was not different among groups while monthly drinking rate was higher in non-pregnant group. Rate of stress recognition was lower in pregnant and breast-feeding group than non-pregnant group. Rate of experience for depressive symptoms and rate of suicidal ideation were not different among groups. CONCLUSION Pregnant women and breast-feeding mothers maintain a good pattern of health-related behavior compared to non-pregnant women. However, substantial proportion of pregnant women and breast-feeding mothers continue to drink and smoke. This shows the need for a plan that will modify health-related behavior.
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Affiliation(s)
- Hyun Sil Joo
- Department of Nursing, Daewon University College, Jecheon, Korea
| | - Chun Bae Kim
- Department of Nursing, Daewon University College, Jecheon, Korea
| | - Eun Woo Nam
- Department of Nursing, Daewon University College, Jecheon, Korea
| | - Min Young Lee
- Department of Nursing, Daewon University College, Jecheon, Korea
| | - Myung Bae Park
- Department of Nursing, Daewon University College, Jecheon, Korea
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Characteristics of women who continue smoking during pregnancy: a cross-sectional study of pregnant women and new mothers in 15 European countries. BMC Pregnancy Childbirth 2014; 14:213. [PMID: 24964728 PMCID: PMC4080751 DOI: 10.1186/1471-2393-14-213] [Citation(s) in RCA: 127] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2014] [Accepted: 06/18/2014] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND Some women continue smoking during pregnancy despite the extensive information available on the dangers smoking poses to their fetus. This study aimed to examine the prevalence and determinants of smoking before and during pregnancy and the extent of smoking during pregnancy from a European perspective in relation to maternal sociodemographic characteristics, health literacy, morbidity, and pregnancy-related factors. METHODS This multinational, web-based study evaluated pregnant women and new mothers in 15 European countries recruited from October 2011 to February 2012. Data were collected via an anonymous online questionnaire. RESULTS Of 8344 women included, 2944 (35.3%) reported smoking before pregnancy, and 771 (26.2%) continued smoking during pregnancy, 88 (11.4%) of whom smoked more than 10 cigarettes per day. There was a wide variation among the 15 European countries in smoking rates before and during pregnancy, ranging from 25.0% (Sweden) to 50.0% (Croatia) before and 4.2% (Iceland) to 18.9% (Croatia) during pregnancy. Women who lived in Eastern Europe, without a spouse/partner, with a low education level and unplanned pregnancy, who did not take folic acid, and consumed alcohol during pregnancy were the most likely to smoke before pregnancy. Women who lived in Eastern or Western Europe, without a spouse/partner, with a low education level and health literacy, being a housewife, having previous children and unplanned pregnancy, and who did not take folic acid were the most likely to continue smoking during pregnancy. Women who smoked more than 10 cigarettes per day during pregnancy were the most likely to be living in Eastern Europe and to have a low education level. CONCLUSION Women with fewer resources living in Western or Eastern Europe are more likely not only to smoke before pregnancy but also to continue smoking during pregnancy. These high-risk women are characterized as living alone, having high school or less as highest education level, having low health literacy, being a housewife, having previous children, having unplanned pregnancy, and no use of folic acid. Our findings indicated that focus on smoking cessation is important in antenatal care in Europe as many women smoke before pregnancy, and still continue to do so in pregnancy.
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Tran DT, Roberts CL, Jorm LR, Seeho S, Havard A. Change in smoking status during two consecutive pregnancies: a population-based cohort study. BJOG 2014; 121:1611-20. [DOI: 10.1111/1471-0528.12769] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/24/2014] [Indexed: 10/25/2022]
Affiliation(s)
- DT Tran
- Centre for Health Research; University of Western Sydney; Penrith NSW Australia
| | - CL Roberts
- Clinical and Population Perinatal Health Research; Kolling Institute of Medical Research; University of Sydney; NSW Australia
| | - LR Jorm
- Centre for Health Research; University of Western Sydney; Penrith NSW Australia
- The Sax Institute; Haymarket NSW Australia
| | - S Seeho
- Clinical and Population Perinatal Health Research; Kolling Institute of Medical Research; University of Sydney; NSW Australia
| | - A Havard
- Centre for Health Research; University of Western Sydney; Penrith NSW Australia
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Prenatal nicotine exposure increases anxiety and modifies sensorimotor integration behaviors in adult female mice. Neurosci Res 2014; 79:41-51. [DOI: 10.1016/j.neures.2013.10.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2013] [Revised: 10/11/2013] [Accepted: 10/12/2013] [Indexed: 01/22/2023]
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Chamberlain C, O’Mara-Eves A, Oliver S, Caird JR, Perlen SM, Eades SJ, Thomas J. Psychosocial interventions for supporting women to stop smoking in pregnancy. Cochrane Database Syst Rev 2013; 10:CD001055. [PMID: 24154953 PMCID: PMC4022453 DOI: 10.1002/14651858.cd001055.pub4] [Citation(s) in RCA: 178] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Tobacco smoking in pregnancy remains one of the few preventable factors associated with complications in pregnancy, stillbirth, low birthweight and preterm birth and has serious long-term implications for women and babies. Smoking in pregnancy is decreasing in high-income countries, but is strongly associated with poverty and increasing in low- to middle-income countries. OBJECTIVES To assess the effects of smoking cessation interventions during pregnancy on smoking behaviour and perinatal health outcomes. SEARCH METHODS In this fifth update, we searched the Cochrane Pregnancy and Childbirth Group's Trials Register (1 March 2013), checked reference lists of retrieved studies and contacted trial authors to locate additional unpublished data. SELECTION CRITERIA Randomised controlled trials, cluster-randomised trials, randomised cross-over trials, and quasi-randomised controlled trials (with allocation by maternal birth date or hospital record number) of psychosocial smoking cessation interventions during pregnancy. DATA COLLECTION AND ANALYSIS Two review authors independently assessed trials for inclusion and trial quality, and extracted data. Direct comparisons were conducted in RevMan, and subgroup analyses and sensitivity analysis were conducted in SPSS. MAIN RESULTS Eighty-six trials were included in this updated review, with 77 trials (involving over 29,000 women) providing data on smoking abstinence in late pregnancy.In separate comparisons, counselling interventions demonstrated a significant effect compared with usual care (27 studies; average risk ratio (RR) 1.44, 95% confidence interval (CI) 1.19 to 1.75), and a borderline effect compared with less intensive interventions (16 studies; average RR 1.35, 95% CI 1.00 to 1.82). However, a significant effect was only seen in subsets where counselling was provided in conjunction with other strategies. It was unclear whether any type of counselling strategy is more effective than others (one study; RR 1.15, 95% CI 0.86 to 1.53). In studies comparing counselling and usual care (the largest comparison), it was unclear whether interventions prevented smoking relapse among women who had stopped smoking spontaneously in early pregnancy (eight studies; average RR 1.06, 95% CI 0.93 to 1.21). However, a clear effect was seen in smoking abstinence at zero to five months postpartum (10 studies; average RR 1.76, 95% CI 1.05 to 2.95), a borderline effect at six to 11 months (six studies; average RR 1.33, 95% CI 1.00 to 1.77), and a significant effect at 12 to 17 months (two studies, average RR 2.20, 95% CI 1.23 to 3.96), but not in the longer term. In other comparisons, the effect was not significantly different from the null effect for most secondary outcomes, but sample sizes were small.Incentive-based interventions had the largest effect size compared with a less intensive intervention (one study; RR 3.64, 95% CI 1.84 to 7.23) and an alternative intervention (one study; RR 4.05, 95% CI 1.48 to 11.11).Feedback interventions demonstrated a significant effect only when compared with usual care and provided in conjunction with other strategies, such as counselling (two studies; average RR 4.39, 95% CI 1.89 to 10.21), but the effect was unclear when compared with a less intensive intervention (two studies; average RR 1.19, 95% CI 0.45 to 3.12).The effect of health education was unclear when compared with usual care (three studies; average RR 1.51, 95% CI 0.64 to 3.59) or less intensive interventions (two studies; average RR 1.50, 95% CI 0.97 to 2.31).Social support interventions appeared effective when provided by peers (five studies; average RR 1.49, 95% CI 1.01 to 2.19), but the effect was unclear in a single trial of support provided by partners.The effects were mixed where the smoking interventions were provided as part of broader interventions to improve maternal health, rather than targeted smoking cessation interventions.Subgroup analyses on primary outcome for all studies showed the intensity of interventions and comparisons has increased over time, with higher intensity interventions more likely to have higher intensity comparisons. While there was no significant difference, trials where the comparison group received usual care had the largest pooled effect size (37 studies; average RR 1.34, 95% CI 1.25 to 1.44), with lower effect sizes when the comparison group received less intensive interventions (30 studies; average RR 1.20, 95% CI 1.08 to 1.31), or alternative interventions (two studies; average RR 1.26, 95% CI 0.98 to 1.53). More recent studies included in this update had a lower effect size (20 studies; average RR 1.26, 95% CI 1.00 to 1.59), I(2)= 3%, compared to those in the previous version of the review (50 studies; average RR 1.50, 95% CI 1.30 to 1.73). There were similar effect sizes in trials with biochemically validated smoking abstinence (49 studies; average RR 1.43, 95% CI 1.22 to 1.67) and those with self-reported abstinence (20 studies; average RR 1.48, 95% CI 1.17 to 1.87). There was no significant difference between trials implemented by researchers (efficacy studies), and those implemented by routine pregnancy staff (effectiveness studies), however the effect was unclear in three dissemination trials of counselling interventions where the focus on the intervention was at an organisational level (average RR 0.96, 95% CI 0.37 to 2.50). The pooled effects were similar in interventions provided for women with predominantly low socio-economic status (44 studies; average RR 1.41, 95% CI 1.19 to 1.66), compared to other women (26 studies; average RR 1.47, 95% CI 1.21 to 1.79); though the effect was unclear in interventions among women from ethnic minority groups (five studies; average RR 1.08, 95% CI 0.83 to 1.40) and aboriginal women (two studies; average RR 0.40, 95% CI 0.06 to 2.67). Importantly, pooled results demonstrated that women who received psychosocial interventions had an 18% reduction in preterm births (14 studies; average RR 0.82, 95% CI 0.70 to 0.96), and infants born with low birthweight (14 studies; average RR 0.82, 95% CI 0.71 to 0.94). There did not appear to be any adverse effects from the psychosocial interventions, and three studies measured an improvement in women's psychological wellbeing. AUTHORS' CONCLUSIONS Psychosocial interventions to support women to stop smoking in pregnancy can increase the proportion of women who stop smoking in late pregnancy, and reduce low birthweight and preterm births.
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Affiliation(s)
- Catherine Chamberlain
- Global Health and Society Unit, Department of Epidemiology and Preventive Medicine, Monash University, Melbourne, Australia
| | - Alison O’Mara-Eves
- EPPI-Centre, Social Science Research Unit, Institute of Education, University of London, London, UK
| | - Sandy Oliver
- EPPI-Centre, Social Science Research Unit, Institute of Education, University of London, London, UK
| | - Jenny R Caird
- EPPI-Centre, Social Science Research Unit, Institute of Education, University of London, London, UK
| | - Susan M Perlen
- Healthy Mothers Healthy Families Research Group, Murdoch Childrens Research Institute, Melbourne, Australia
| | - Sandra J Eades
- School of Public Health, Sydney School of Medicine, University of Sydney, Sydney, Australia
| | - James Thomas
- EPPI-Centre, Social Science Research Unit, Institute of Education, University of London, London, UK
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Vaz LR, Leonardi-Bee J, Aveyard P, Cooper S, Grainge M, Coleman T. Factors associated with smoking cessation in early and late pregnancy in the smoking, nicotine, and pregnancy trial: a trial of nicotine replacement therapy. Nicotine Tob Res 2013; 16:381-9. [PMID: 24127265 PMCID: PMC3954418 DOI: 10.1093/ntr/ntt156] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Introduction: Previous studies have found partners’ smoking status, multiparity, and nicotine dependence to be associated with smoking cessation in pregnancy. However, no studies have investigated influences on cessation among women using nicotine replacement therapy (NRT). We analyzed data from a trial of NRT in pregnancy to determine factors associated with shorter- and longer-term cessation. Methods: Data were collected at baseline, 1 month, and delivery from 1,050 pregnant women. Two multivariable logistic models for validated cessation at 1 month and delivery were created with a systematic strategy for selection of included factors. Results: All findings are from multivariable analyses. At 1 month, odds of cessation were greater among those who completed full time education at >16 years of age (odds ratio [OR] = 1.82, 95% confidence interval CI = 1.24–2.67, p = .002) but they were lower in women with higher baseline cotinine levels (OR = 0.93, 95% CI = 0.90–0.95, p < .001). At delivery, the odds of cessation were greater among those who completed full time education at >16 years of age (OR = 1.89, 95% CI = 1.16–3.07, p = 0.010) but were inversely associated with higher baseline cotinine levels (OR = 0.96, 95% CI = 0.92–0.99, p = .010). Conclusions: Women who are better educated and have lower pretreatment cotinine concentrations had higher odds of stopping smoking and factors associated with shorter and longer term cessation were similar.
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Affiliation(s)
- Luis R Vaz
- Division of Primary Care, University of Nottingham Medical School, Queen's Medical Centre, Nottingham, UK
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Baron R, Manniën J, de Jonge A, Heymans MW, Klomp T, Hutton EK, Brug J. Socio-demographic and lifestyle-related characteristics associated with self-reported any, daily and occasional smoking during pregnancy. PLoS One 2013; 8:e74197. [PMID: 24019956 PMCID: PMC3760841 DOI: 10.1371/journal.pone.0074197] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2013] [Accepted: 07/30/2013] [Indexed: 11/18/2022] Open
Abstract
Smoking during pregnancy is a risk factor for various adverse birth outcomes. In order to develop effective interventions, insight is needed into the characteristics associated with pregnant women who smoke. Unknown is whether these characteristics differ for women who smoke daily and women who smoke occasionally. Our study sample, drawn from the DELIVER study (Sept 2009-March 2011), consisted of 6107 pregnant women in primary care in the Netherlands who were up to 34 weeks pregnant. The associations of thirteen socio-demographic or lifestyle-related characteristics with 'any smoking', 'daily smoking' and 'occasional smoking' during pregnancy were tested using multiple binary logistic regression with general estimating equations (GEE). Characteristics most strongly associated with any smoking were low education (OR 10.3; 95% confidence interval (CI) 7.0-15.4), being of Turkish ethnicity (OR 3.9; 95%CI 2.3-6.7) and having no partner (OR 3.7; 95%CI 2.3-6.0). Women of Dutch ethnicity were three times more likely to smoke than those from Dutch-speaking Caribbean countries and non-religious women were much more likely to smoke than religious women. Low education was markedly more strongly associated with daily smoking than with occasional smoking (OR 20.3; 95%CI 13.2-31.3 versus OR 6.0; 95%CI 3.4-10.5). Daily smokers were more likely to be associated with other unfavorable lifestyle-related characteristics, such as not taking folic acid, being underweight, and having had an unplanned pregnancy. There is still much potential for health gain with respect to smoking during pregnancy in the Netherlands. Daily and occasional smokers appear to differ in characteristics, and therefore possibly require different interventions.
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Affiliation(s)
- Ruth Baron
- Department of Midwifery Science, AVAG/EMGO Institute for Health and Care Research, Free University Medical Center, Amsterdam, The Netherlands
- * E-mail:
| | - Judith Manniën
- Department of Midwifery Science, AVAG/EMGO Institute for Health and Care Research, VU University Medical Centre, Amsterdam, The Netherlands
| | - Ank de Jonge
- Department of Midwifery Science, AVAG/EMGO Institute for Health and Care Research, VU University Medical Centre, Amsterdam, The Netherlands
| | - Martijn W. Heymans
- Department of Epidemiology and Biostatistics, VU University Medical Centre, Amsterdam, The Netherlands
- Department of Methodology and Applied Biostatistics, Faculty of Earth and Life Sciences, VU University Amsterdam, Amsterdam, The Netherlands
| | - Trudy Klomp
- Department of Midwifery Science, AVAG/EMGO Institute for Health and Care Research, VU University Medical Centre, Amsterdam, The Netherlands
| | - Eileen K. Hutton
- Department of Midwifery Science, AVAG/EMGO Institute for Health and Care Research, VU University Medical Centre, Amsterdam, The Netherlands
- Faculty of Health Sciences, McMaster University, Hamilton, Canada
| | - Johannes Brug
- EMGO Institute for Health and Care Research, VU University Medical Centre, Amsterdam, The Netherlands
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Willcox JC, Campbell KJ, van der Pligt P, Hoban E, Pidd D, Wilkinson S. Excess gestational weight gain: an exploration of midwives' views and practice. BMC Pregnancy Childbirth 2012; 12:102. [PMID: 23013446 PMCID: PMC3531303 DOI: 10.1186/1471-2393-12-102] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2012] [Accepted: 09/06/2012] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Excess gestational weight gain (GWG) can affect the immediate and long term health outcomes of mother and infant. Understanding health providers' views, attitudes and practices around GWG is crucial to assist in the development of practical, time efficient and cost effective ways of supporting health providers to promote healthy GWGs. This study aimed to explore midwives' views, attitudes and approaches to the assessment, management and promotion of healthy GWG and to investigate their views on optimal interventions. METHODS Midwives working in antenatal care were recruited from one rural and one urban Australian maternity hospital employing purposive sampling strategies to assess a range of practice areas. Face-to-face interviews were conducted with 15 experienced midwives using an interview guide and all interviews were digitally recorded, transcribed verbatim and analysed thematically. RESULTS Midwives interviewed exhibited a range of views, attitudes and practices related to GWG. Three dominant themes emerged. Overall GWG was given low priority for midwives working in the antenatal care service in both hospitals. In addition, the midwives were deeply concerned for the physical and psychological health of pregnant women and worried about perceived negative impacts of discussion about weight and related interventions with women. Finally, the midwives saw themselves as central in providing lifestyle behaviour education to pregnant women and identified opportunities for support to promote healthy GWG. CONCLUSIONS The findings indicate that planning and implementation of healthy GWG interventions are likely to be challenging because the factors impacting on midwives' engagement in the GWG arena are varied and complex. This study provides insights for guideline and intervention development for the promotion of healthy GWG.
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Affiliation(s)
- Jane C Willcox
- Centre for Physical Activity and Nutrition Research, School of Exercise and Nutrition Sciences, Deakin University, 221 Burwood Hwy, Burwood, Victoria, 3125, Australia
| | - Karen J Campbell
- Centre for Physical Activity and Nutrition Research, School of Exercise and Nutrition Sciences, Deakin University, 221 Burwood Hwy, Burwood, Victoria, 3125, Australia
| | - Paige van der Pligt
- Centre for Physical Activity and Nutrition Research, School of Exercise and Nutrition Sciences, Deakin University, 221 Burwood Hwy, Burwood, Victoria, 3125, Australia
| | - Elizabeth Hoban
- School of Health and Social Development, Deakin University, Melbourne, Australia
| | | | - Shelley Wilkinson
- Mater Mothers’ Hospital, Brisbane, Australia
- Mater Medical Research Institute, Brisbane, Australia
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Coleman T, Chamberlain C, Davey MA, Cooper SE, Leonardi-Bee J. Pharmacological interventions for promoting smoking cessation during pregnancy. Cochrane Database Syst Rev 2012:CD010078. [PMID: 22972148 DOI: 10.1002/14651858.cd010078] [Citation(s) in RCA: 88] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
BACKGROUND Smoking in pregnancy is a substantial public health problem. When used by non-pregnant smokers, pharmacotherapies [nicotine replacement therapy (NRT), bupropion and varenicline] are effective treatments for smoking cessation, however, their efficacy and safety in pregnancy remains unknown. OBJECTIVES To determine the efficacy and safety of smoking cessation pharmacotherapies, including NRT, varenicline and bupropion (or any other medications) when used to support smoking cessation in pregnancy. SEARCH METHODS We searched the Pregnancy and Childbirth Group's Trials Register (5 March 2012), checked references of retrieved studies and contacted authors in the field. SELECTION CRITERIA Randomised controlled trials (RCTs) with designs that permit the independent effects of any type of NRT (e.g. patch, gum etc.) or any other pharmacotherapy on smoking cessation to be ascertained were eligible for inclusion. Trials must provide very similar (ideally identical) levels of behavioural support or cognitive behaviour therapy (CBT) to participants in active drug and comparator trial arms.The following RCT designs are considered acceptable.Placebo RCTs: any form of NRT or other pharmacotherapy, with or without behavioural support/CBT, or brief advice compared with placebo NRT and additional support of similar intensity.RCTs providing a comparison between i) behavioural support/CBT or brief advice and ii) any form of NRT or other pharmacotherapy added to behavioural support of similar (ideally identical) intensity.Parallel- or cluster-randomised design trials are eligible for inclusion. However, quasi-randomised, cross-over and within-participant designs are not eligible for inclusion due to the potential biases associated with these designs. DATA COLLECTION AND ANALYSIS Two review authors independently assessed trials for inclusion and risk of bias and extracted data. Two assessors independently extracted data and cross checked individual outcomes of this process to ensure accuracy. The primary efficacy outcome was smoking cessation in later pregnancy (in all but one trial, at or around delivery); safety was assessed by seven birth outcomes that indicated neonatal well being and we also collated data on adherence. MAIN RESULTS Six trials of NRT enrolling 1745 pregnant smokers were included; we found no trials of varenicline or bupropion. No statistically significant difference was seen for smoking cessation in later pregnancy after using NRT as compared to control (risk ratio (RR) 1.33, 95% confidence interval (CI) 0.93 to 1.91, six studies, 1745 women). Subgroup analysis comparing placebo-RCTs with those which did not use placebos found that efficacy estimates for cessation varied with trial design (placebo RCTs, RR 1.20, 95% CI 0.93 to 1.56, four studies, 1524 women; non-placebo RCTs, RR 7.81, 95% CI 1.51 to 40.35, two studies, 221 women; P value for random-effects subgroup interaction test = 0.03). There were no statistically significant differences in rates of miscarriage, stillbirth, premature birth, birthweight, low birthweight, admissions to neonatal intensive care or neonatal death between NRT or control groups. AUTHORS' CONCLUSIONS Nicotine replacement therapy is the only pharmacotherapy for smoking cessation that has been tested in RCTs conducted in pregnancy. There is insufficient evidence to determine whether or not NRT is effective or safe when used to promote smoking cessation in pregnancy or to determine whether or not using NRT has positive or negative impacts on birth outcomes. Further research evidence of efficacy and safety is needed, ideally from placebo-controlled RCTs that investigate higher doses of NRT than were tested in the included studies.
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Affiliation(s)
- Tim Coleman
- Division of Primary Care, University of Nottingham, Nottingham, UK.
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Herberts C, Sykes C. Midwives' perceptions of providing stop-smoking advice and pregnant smokers' perceptions of stop-smoking services within the same deprived area of London. J Midwifery Womens Health 2011; 57:67-73. [PMID: 22251915 DOI: 10.1111/j.1542-2011.2011.00072.x] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
INTRODUCTION To identify and juxtapose midwives' perceptions of providing stop-smoking advice and pregnant smokers' perceptions of stop-smoking services. METHODS A qualitative design was used in an attempt to expose and compare in-depth perceptions of midwives and pregnant smokers. Three focus groups lasting approximately 1 hour and involving 15 midwives were carried out, and 10 pregnant smokers participated in semistructured interviews. The qualitative data were analyzed by using the full version of grounded theory. RESULTS The perceptions of midwives regarding provision of advice were related to outcome of advice, the relationship with patients, personal experiences, attributes, perception of role, the impact of external factors, and aspects related to pregnant smokers and pregnancy. Pregnant smokers' perceived barriers and facilitators to approaching stop-smoking services were categorized into areas of smoking behavior, advice from health professionals, stop-smoking services, and negative perceptions of pregnant women who smoke. DISCUSSION In theory, many of the perceived barriers to providing advice could be overcome by implementing effective mandatory training for midwives. However, real issues, such as lack of time, have a major impact on the provision of advice. Pregnant smokers expect and appreciate receiving stop-smoking advice from midwives. Yet, they tend to have negative expectations of stop-smoking services, although the experiences of those who have attended these services are positive. Raising awareness of stop-smoking support for pregnant women is crucial in empowering women to make informed choices about their health and the health of their children.
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Affiliation(s)
- Carolina Herberts
- City University,Department of Psychology, Northampton Square, London, UK
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Foley KL, Balázs P, Grenczer A, Rákóczi I. Factors associated with quit attempts and quitting among Eastern Hungarian women who smoked at the time of pregnancy. Cent Eur J Public Health 2011; 19:63-6. [PMID: 21739892 DOI: 10.21101/cejph.a3631] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
INTRODUCTION The purpose of this research was to assess factors associated with quit attempts and successful smoking cessation among a sample of socioeconomically disadvantaged pregnant women living in Eastern Hungary. MATERIALS AND METHODS In-person interviews were conducted among 201 women residing in Eastern Hungary who self-identified as occasional or regular smokers at the time they learned they were pregnant. RESULTS 54% of the women were smokers at the time they learned they were pregnant. Just over half tried to quit, but only 20% were successful. Factors associated with reduced likelihood of quit attempts included being a regular (vs. occasional) smoker (OR = 0.36, 95% CI 0.13-1.00) and being Roma (vs. non-Roma) (OR = 0.32, 95% CI 0.14-0.72). Women who completed high school were 7% times more likely to quit (OR = 7.5, 95% CI 1.68-33.2) and those who were employed were 7% times more likely to quit (OR = 7.6, 95% CI 1.88-30.35). Regular smokers were 88% less likely to quit than occasional smokers. DISCUSSION Smoking cessation interventions targeting pregnant women are needed in Eastern Hungary. Efforts to integrate smoking cessation into the current excellent pre-natal care and health visitor program will reach most women who are pregnant or who have given birth within the preceding 3 years.
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Affiliation(s)
- Kristie L Foley
- Medical Humanities Program, Davidson College, Davidson, NC 28035-7135, USA
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Lelong N, Blondel B, Kaminski M. Évolution de la consommation de tabac des femmes pendant la grossesse en France de 1972 à 2003. ACTA ACUST UNITED AC 2011; 40:42-9. [DOI: 10.1016/j.jgyn.2010.07.007] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2010] [Revised: 07/28/2010] [Accepted: 07/29/2010] [Indexed: 10/19/2022]
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Socio-demographic factors and processes associated with stages of change for smoking cessation in pregnant versus non-pregnant women. BMC WOMENS HEALTH 2011; 11:3. [PMID: 21261957 PMCID: PMC3037321 DOI: 10.1186/1472-6874-11-3] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2010] [Accepted: 01/24/2011] [Indexed: 12/04/2022]
Abstract
Background The tobacco control community assumes that the most effective interventions are personalized. Nevertheless, little attention is paid to understanding differences between pregnant and non-pregnant European women in terms of the social factors that influence tobacco use and the processes of change used to quit smoking. Methods The study consecutively enrolled 177 pregnant women who acknowledged smoking the year before pregnancy and 177 non-pregnant women who acknowledged smoking the year before their clinic visit for a Pap test. Results With respect to socio-demographic factors, the stages of change in pregnant women were associated with level of education, marital status, and the presence of roommates, partners and friends who smoke. In pregnant women, there was no statistically significant difference in the processes used to stop smoking among the stages of change. Furthermore, behavioral processes were higher in non-pregnant women than in pregnant women, and the difference was statistically significant in the advanced stages of behavioral change. Both pregnant and non-pregnant women showed higher levels of acceptance towards smoking in the earlier stages of change, but the acceptability of smoking in the pre-contemplative stage was higher in non-pregnant women. Greater craving was detected in non-pregnant vs. pregnant women at all stages and reached a statistically significant level at the pre-contemplative stage. Conclusion Pregnancy is a favorable time to stop smoking since pregnant women are more likely to be in an advanced stage of behavioral change. Pregnant and non-pregnant women are distinct populations in the types and processes of change involved in smoking cessation. The intervention programs to promote smoking cessation and prevent relapses will need to take these differences into account.
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Petersen Z, Steyn K, Everett-Murphy K, Emmelin M. Pregnant women's responses to a tailored smoking cessation intervention: turning hopelessness into competence. Glob Health Action 2010; 3. [PMID: 21170293 PMCID: PMC3002877 DOI: 10.3402/gha.v3i0.5379] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2010] [Revised: 10/27/2010] [Accepted: 10/27/2010] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Cognitive behavioral interventions consisting of brief counseling and the provision of self-help material designed for pregnancy have been documented as effective smoking cessation interventions for pregnant women. However, there is a need to understand how such interventions are perceived by the targeted group. AIM To understand the cognitive, emotional, and behavioral responses of pregnant women to a clinic-based smoking cessation intervention. METHODS In-depth interviews with women attending four antenatal clinics in Cape Town, South Africa, who were exposed to a smoking intervention delivered by midwives and peer counselors. Women were purposively selected to represent a variation in smoking behavior. Thirteen women were interviewed at their first antenatal visit and 10 were followed up and reinterviewed later in their pregnancies. A content analysis approach was used, which resulted in categories and themes describing women's experiences, thoughts, and feelings about the intervention. RESULTS Five women quit, five had cut down, and three could not be traced for follow-up. All informants perceived the intervention positively. Four main themes captured the intervention's role in influencing women's smoking behavior. The process started with 'understanding their reality,' which led to 'embracing change' and 'deciding to hold nothing back,' which created a basis for 'turning hopelessness into a feeling of competence.' CONCLUSION The intervention succeeded in shifting women from feeling pessimistic about ever quitting to feeling encouraged to try and quit. Informants rated the social support they received very highly and expressed the need for the intervention to become a routine component of clinic services.
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Affiliation(s)
- Zaino Petersen
- Chronic Diseases of Lifestyle Unit, Medical Research Council of South Africa, Cape Town, South Africa
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Warland J, McCutcheon H. The 'quit' smoker and stillbirth risk: a review of contemporary literature in the light of findings from a case-control study. Midwifery 2010; 27:607-11. [PMID: 20833459 DOI: 10.1016/j.midw.2010.05.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2010] [Revised: 03/29/2010] [Accepted: 05/06/2010] [Indexed: 10/19/2022]
Abstract
OBJECTIVE to identify existing literature which addresses the topic of detecting, assessing and intervening when a pregnant woman who has quit smoking relapses. This literature review was conducted in the light of findings of a case-control study which suggest that a quit smoking status is associated with increased risk of late stillbirth (odds ratio 3.03, 95% confidence interval 1.27-7.24, p = 0.01). METHOD a structured review was conducted to identify literature related to quitting smoking in early pregnancy, prevalence and likelihood of relapse, possible methods for detecting smoking resumption, potential intervention strategies for the relapsed smoker and the societal burden of continuing to smoke in pregnancy. FINDINGS there is a wide variety of evidence for the effectiveness of intervention strategies aimed at assisting women to quit smoking during pregnancy. However, few studies have specifically aimed to identify strategies to assist those women who report quitting in early pregnancy to maintain that status throughout pregnancy. CONCLUSIONS in light of the results of the case-control study and this literature review, it is important that changes are made to prenatal care in order to enable midwives to better identify women who are struggling with abstinence or who resume smoking during pregnancy. IMPLICATIONS FOR PRACTICE midwives should discuss and monitor smoking status with women at every prenatal visit. If a midwife finds that a woman has relapsed into smoking, they can be offered a range of quit smoking intervention strategies, including referral to a dedicated cessation service, counselling support, alternative therapies and, perhaps, nicotine replacement therapy. Further research aimed at identifying the extent of relapse among these women and the impact this may have on pregnancy outcome is warranted. Research to ascertain the most appropriate interventions to prevent relapse is also needed.
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Affiliation(s)
- Jane Warland
- School of Nursing and Midwifery, University of South Australia, City East Campus, North Terrace, Adelaide 5000, Australia.
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