Journal of affective disorders · 2022
Maternal smoking during pregnancy and children's mental health at age 22 years: Results of a birth cohort study.
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Corrêa Mariana Lima, da Silva Bruna Gonçalves Cordeiro, Wehrmeister Fernando C, Horta Bernardo L, Gonçalves Helen, Barros Fernando, Menezes Ana Maria Baptista
Аннотация
BACKGROUND: Early exposures such as maternal smoking can be associated mental disorders. We aimed to analyze the association between maternal smoking during pregnancy (MSDP), generalized anxiety disorder (GAD), and depression in the 1993 birth cohort (Pelotas, Brazil).
METHODS: Data on maternal smoking were collected in the perinatal study, while information on GAD and depression was collected at age 22 years using the Mini International Neuropsychiatric Interview (MINI). Information on maternal mental health, the mediator, was collected at the 11-year follow-up. Simple and multiple logistic regressions were used to assess the association between exposure, outcomes, and analysis of negative controls.
RESULTS: 3,781 participants presented complete data. The incidence of GAD was 10.4%, depression 2.9%, and smoking during pregnancy 32.6%. The children of mothers who smoked had a 45% higher chance of developing GAD at age 22 years (OR 1.45; 95%CI 1.18; 1.80) and 75% higher chance of depression (OR 1.75; 95%CI 1.18; 2.59). Also, the higher the number of cigarettes smoked. the higher was the chance for the development of GAD. Paternal smoking was not associated with the outcomes. The mother's mental health accounted for 18.2% of the association between maternal smoking and GAD, and for 13.4% for maternal smoking and depression.
LIMITATIONS: Data for smoking during pregnancy were collected through a self-report. Residual confusion due to important variables cannot be ruled out.
CONCLUSIONS: MSDP was associated with the mental health of children in early adulthood. However, a small part of the effect found was mediated by the mother's mental health.
METHODS: Data on maternal smoking were collected in the perinatal study, while information on GAD and depression was collected at age 22 years using the Mini International Neuropsychiatric Interview (MINI). Information on maternal mental health, the mediator, was collected at the 11-year follow-up. Simple and multiple logistic regressions were used to assess the association between exposure, outcomes, and analysis of negative controls.
RESULTS: 3,781 participants presented complete data. The incidence of GAD was 10.4%, depression 2.9%, and smoking during pregnancy 32.6%. The children of mothers who smoked had a 45% higher chance of developing GAD at age 22 years (OR 1.45; 95%CI 1.18; 1.80) and 75% higher chance of depression (OR 1.75; 95%CI 1.18; 2.59). Also, the higher the number of cigarettes smoked. the higher was the chance for the development of GAD. Paternal smoking was not associated with the outcomes. The mother's mental health accounted for 18.2% of the association between maternal smoking and GAD, and for 13.4% for maternal smoking and depression.
LIMITATIONS: Data for smoking during pregnancy were collected through a self-report. Residual confusion due to important variables cannot be ruled out.
CONCLUSIONS: MSDP was associated with the mental health of children in early adulthood. However, a small part of the effect found was mediated by the mother's mental health.