Dataset Information

Effects of Maternal Smoking during Pregnancy on Offspring Externalizing Problems: Contextual Effects in a Sample of Female Twins.

ABSTRACT: Studies of maternal smoking during pregnancy (MSDP) suggest increased risk for cognitive impairment and psychiatric outcomes. However, it is uncertain whether these associations are the direct result of MSDP or related to confounding familial variables associated with MSDP. The current study employed propensity score analysis to examine the effects of MSDP on offspring EXT using data from a large sample of 979 unrelated mothers. Logistic regression models were used to determine the propensity that the offspring of these mothers were likely to be exposed to MSDP [i.e., smoked during only the first trimester (MSDP-EARLY[E]) or smoked throughout their pregnancy (MSDP-THROUGHOUT[T])] given known familial confounders. Analyses focused on the effect of MSDP-E/T on the EXT behavior in offspring of these mothers (N = 1616) were conducted across the distribution of liability for MSDP-E/T and at different levels of risk for MSDP-E/T. MSDP-E/T was associated with offspring EXT problems, but the effects were partly confounded by the familial liability for MSDP. Further, the observed effects were not consistent across all levels of the MSDP risk distribution. These findings suggest a direct association between MSDP and offspring EXT behaviors, and that varied associations observed across studies may be the result of differences in the level of familial confounders that also have an effect on offspring EXT.

SUBMITTER: Palmer RH

PROVIDER: S-EPMC4860102 | biostudies-literature | 2016 May

REPOSITORIES: biostudies-literature

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Effects of Maternal Smoking during Pregnancy on Offspring Externalizing Problems: Contextual Effects in a Sample of Female Twins.

Palmer Rohan H C RH Bidwell L Cinnamon LC Heath Andrew C AC Brick Leslie A LA Madden Pamela A F PA Knopik Valerie S VS

Behavior genetics 20160129 3

Studies of maternal smoking during pregnancy (MSDP) suggest increased risk for cognitive impairment and psychiatric outcomes. However, it is uncertain whether these associations are the direct result of MSDP or related to confounding familial variables associated with MSDP. The current study employed propensity score analysis to examine the effects of MSDP on offspring EXT using data from a large sample of 979 unrelated mothers. Logistic regression models were used to determine the propensity th ...[more]

PMID: 26826031

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Project description:Young maternal age at birth has been consistently recognized as a factor contributing to externalizing behavior. However, estimates of the magnitude of this association across existing studies are inconsistent. Such inconsistencies cloud the interpretation of the literature and highlight the need for a systematic synthesis of existing empirical evidence. Further, the roles of possible moderators in the association remain to be revealed. Moderation analyses will enhance the field's capacity to evaluate needs and locate a subgroup of children born to teen mothers with particularly heightened vulnerabilities. To address these gaps, the present study had two primary aims. First, a meta-analysis was conducted to quantify the magnitude of the association between being born to young mothers and children's externalizing behavior across existing studies. Second, moderation meta-analyses were conducted to evaluate whether the influence of being born to teen mothers on children's externalizing behavior is stronger during specific developmental periods, for a specific gender, for a specific race, or across contexts with varying teen pregnancy rates at a societal level. The current study followed the PRISMA guidelines. The search utilized multiple electronic databases including Web of Science, ProQuest, PubMed, and Ovid MEDLINE through July 2019. Standardized mean difference, Cohen's d, was used as a summary estimate of effect size. A random-effects model was conducted. Moderating effects were evaluated. Twenty-one effect sizes from 18 independent samples (n = 133,585) were included in the meta-analysis. The main meta-analysis and sensitivity analysis suggested a small yet robust association between teenage motherhood and children's externalizing behavior problems. The relevant moderation analyses detected no statistically significant moderating effect for a specific gender, for racial and ethnic minority groups, during a specific developmental period, or across varying contexts. The current meta-analysis findings suggest that the impact of young maternal age on children's externalizing behavior is small, yet independent. Further, such impacts of young maternal age were similar for girls and boys, in different racial and ethnic groups, across developmental periods, and across different contexts with varying teen pregnancy rates. Prevention efforts seeking to curb the emergence of youth's externalizing behavior should focus on parenting teens, regardless of their child's gender, race, age, or contexts. Further, the current findings suggest that prevention strategies for this specific group may benefit from a hybrid approach that combines universal, selective, and indicated prevention strategies.

Dataset Information

Effects of Maternal Smoking during Pregnancy on Offspring Externalizing Problems: Contextual Effects in a Sample of Female Twins.

Publications

Effects of Maternal Smoking during Pregnancy on Offspring Externalizing Problems: Contextual Effects in a Sample of Female Twins.

Similar Datasets

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