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Maternal perinatal depressive disorders and the risk of attention deficit and hyperactivity disorder in offspring: A
Biruk Shalmeno Tusa1, Rosa Alati2, Kim Betts3
1School of Population Health, Curtin University, Perth, WA, Australia; Department of Epidemiology and Biostatistics, College of Health and Medical Sciences, Haramaya University, Haramaya, Ethiopia.
Background:
This study examines the risk of Attention-Deficit/Hyperactivity Disorder (ADHD) in offspring of mothers with perinatal depressive disorders, considering direct and indirect pathways through adverse birth outcomes.
Methods:
The study employed a retrospective cohort design, utilising administrative-linked health data from New South Wales. Maternal perinatal depressive disorders and offspring ADHD were identified using the International Classification of Diseases, Tenth Revision, Australian Modification (ICD-10-AM .) codes. A generalised linear model with a binomial distribution and log link function was used to estimate the direct association. Additionally, a mediation analysis was conducted to examine the mediating effects of low birth weight, low Apgar scores, and preterm birth on the association between maternal antenatal depressive disorder and offspring ADHD.
Results:
After adjusting for confounders, offspring of mothers with antenatal, postnatal, and perinatal depressive disorders had 2.10 (95 % CI: 1.46-3.03), 1.80 (95 % CI: 1.11-2.92), and 2.16 (95 % CI: 1.57-2.97) times greater risk of ADHD, respectively. Preterm birth minimally mediated the relationship between antenatal depression and ADHD, accounting for only 0.73 % of the total effect, which was about 45 times smaller than the direct effect. Low birth weight and low Apgar scores did not mediate this relationship.
Conclusion:
Our study revealed that maternal perinatal depressive disorders are associated with an increased risk of offspring ADHD, with very minimal or no mediating effects from adverse birth outcomes. Therefore, implementing early intervention strategies aimed at improving maternal mental health is crucial to reducing the risk of ADHD in children.
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