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Antenatal anxiety predicts child behavioral/emotional problems independently of postnatal depression
Thomas G O'Connor1, Jonathan Heron, Vivette Glover
1Department of Child and Adolescent Psychiatry and SGDP Research Centre, Institute of Psychiatry, London, England. spjwtoc@iop.kcl.ac.uk
Objective:
To examine the hypothesis that the effects of postnatal depression on children's behavioral/emotional problems are explained by antenatal maternal mood.
Method:
The current study investigated this hypothesis in the Avon Longitudinal Study of Parents and Children, a prospective, community-based study that has followed a cohort of women since pregnancy (n = 7,144) who delivered their baby between April 1, 1991, and December 31, 1992. Self-report measures of maternal anxiety and depression were assessed at repeated intervals in pregnancy and the postnatal period. Children's behavioral/emotional problems were assessed by parent report at age 4 years.
Results:
After controlling for smoking, alcohol use, birth weight for gestational age, maternal age, child sex, and socioeconomic status, postnatal depression at 8 weeks (OR = 2.27 [1.55-3.31]) and 8 months (OR = 1.68 [1.12-2.54]) was associated with children's behavioral/emotional problems. Subsequent analyses that included antenatal maternal mood indicated that antenatal anxiety in late pregnancy and not antenatal depression was also independently associated with behavioral/emotional problems at age 4 (OR = 1.72 [1.14-2.59]); 8 week postnatal depression remained a significant predictor after antenatal maternal mood was statistically controlled for (OR = 1.56 [1.04-2.32]).
Conclusions:
Antenatal anxiety and postnatal depression represent separate risks for behavioral/emotional problems in children and act in an additive manner.