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Can Birth Season Predict ADHD in Early Midlife?

Psychiatry Res; ePub 2018 Jun 6; Zhang, et al

Exposure to greater maternal maladaptive behaviors, such as cigarette smoking, may result in a greater vulnerability to other environmental risk factors, such as season of birth. This according to a recent study that applied linear regression analyses to examine season of birth as related to symptoms of attention deficit/hyperactivity disorder (ADHD) in early midlife. Researchers gathered longitudinal data on a prospective cohort of community-dwelling men and women (n=548) followed from adolescence to early midlife. They found:

  • As compared with participants who were born in the summer, those who were born in the spring (Beta = 0.34; t-statistic = 3.59) had significantly more ADHD symptoms.
  • In addition, exposure to maternal cigarette smoking in adolescence significantly intensified the association between season of birth and ADHD symptoms in early midlife.

Citation:

Zhang C, Brook JS, Leukefeld CG, De La Rosa M, Brook DW. Season of birth: A predictor of ADHD symptoms in early midlife. [Published online ahead of print June 6, 2018]. Psychiatry Res. doi:10.1016/j.psychres.2018.05.056.

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