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Published on: July 19, 2017
Pre- and post-natal maternal anxiety and early childhood weight gain
Nobutoshi Nawa1, Maureen M Black2, Ricardo Araya3
1Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA; Institute of Education, Tokyo Medical and Dental University, Tokyo, Japan; Department of Global Health Promotion, Tokyo Medical and Dental University, Tokyo, Japan.
Insights
Maternal anxiety during pregnancy and after birth is linked to a small increase in child BMI gain. Maternal depression did not show a similar association with child weight gain trajectories.
Area of Science:
- Perinatal mental health
- Childhood development
- Pediatric health
Background:
- Maternal depression is linked to impaired child growth.
- The association between maternal anxiety and child weight gain remains unclear.
Purpose of the Study:
- To investigate the relationship between maternal pre- and post-natal anxiety and child weight gain.
- To examine maternal depressive symptoms in relation to child weight gain.
Main Methods:
- Utilized data from 1168 children in the Avon Longitudinal Study of Parents and Children.
- Measured child body mass index (BMI) at 25 and 31 months.
- Assessed maternal anxiety and depressive symptoms at multiple pre- and post-natal time points using validated questionnaires.
Main Results:
- Maternal anxiety was associated with a modest increase in child BMI gain (0.06 per 3 months) during the second year of life.
- No significant association was found between maternal depressive symptoms and child BMI trajectories.
Conclusions:
- Maternal anxiety around childbirth is linked to increased child BMI gain.
- Maternal anxiety, not depression, appears to influence child weight gain trajectories in early childhood.
Background:
While maternal depression has been linked to impaired child growth, the relationship between anxiety and child weight gain is unknown. The study objective was to investigate maternal pre- and post-natal anxiety in relation to child weight gain.
Methods:
Data included 1168 children in the Avon Longitudinal Study of Parents and Children. Child height and weight were measured at the median ages of 25 and 31 months postnatally and used to calculate body mass index (BMI). Maternal anxiety was measured with the Crown-Crisp Experiential Index at 18 and 32 gestational weeks, and two and 21 months postpartum. Mothers scoring in the top 15% at one or more of the four time points were considered to have anxiety. Maternal depressive symptoms were measured using the Edinburgh Postnatal Depression Scale-7 (EPDS-7) at these same time points. Maternal depression was defined as EPDS-7 scores of >10. We used Generalized Estimating Equations to assess whether child BMI trajectories varied by the presence of maternal anxiety. Parallel analyses were conducted for maternal depression.
Results:
Among children of mothers who had anxiety at least at one timepoint, the BMI changes associated with a three-month increase in child age increased by 0.06 (95% CI:0.004-0.12) compared to BMI changes in children of mothers without anxiety. Maternal depressive symptoms were not associated with child BMI trajectories.
Limitations:
Maternal anxiety and depressive symptoms were based on maternal self-report.
Conclusion:
Maternal anxiety around childbirth was associated with modest increases in child BMI gain during the child's second year of life.
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