4.6 Article

Social inequalities in child development: the role of differential exposure and susceptibility to stressful family conditions

Journal

JOURNAL OF EPIDEMIOLOGY AND COMMUNITY HEALTH
Volume 77, Issue 2, Pages 74-80

Publisher

BMJ PUBLISHING GROUP
DOI: 10.1136/jech-2022-219548

Keywords

health inequalities; child health; life course epidemiology

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This study used data from a population-based birth cohort in the Netherlands and found that differential exposure to financial stress in the family has a significant impact on the socioemotional development, cognitive development, and educational attainment of children of less-educated mothers.
BackgroundStressful family conditions may contribute to inequalities in child development because they are more common among disadvantaged groups (ie, differential exposure) and/or because their negative effects are stronger among disadvantaged groups (ie, differential impact/susceptibility). We used counterfactual mediation analysis to investigate to what extent stressful family conditions contribute to inequalities in child development via differential exposure and susceptibility. MethodsWe used data from the Generation R Study, a population-based birth cohort in the Netherlands (n=6842). Mother's education was used as the exposure. Developmental outcomes, measured at age 13 years, were emotional and behavioural problems (Youth Self-Report), cognitive development (Wechsler Intelligence Scale for Children) and secondary education entry level. Financial and social stress at age 9 years were the putative mediators. ResultsDifferential exposure to financial stress caused a 0.07 (95% CI -0.12 to -0.01) SD worse emotional and behavioural problem -score, a 0.05 (95% CI -0.08 to -0.02) SD lower intelligence score and a 0.05 (95% CI -0.05 to -0.01) SD lower secondary educational level, respectively, among children of less-educated mothers compared with children of more-educated mothers. This corresponds to a relative contribution of 54%, 9% and 6% of the total effect of mother's education on these outcomes, respectively. Estimates for differential exposure to social stress, and differential susceptibility to financial or social stress, were much less pronounced. ConclusionAmong children of less-educated mothers, higher exposure to financial stress in the family substantially contributes to inequalities in socioemotional development, but less so for cognitive development and educational attainment.

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