Familial-Environmental Risk Factors in South African Children With Attention-Deficit Hyperactivity Disorder (ADHD): A Case-Control Study.

We investigated familial and environmental risk factors in a cohort of South African children diagnosed with attention-deficit hyperactivity disorder (ADHD). A prospective, hospital-based case control study was conducted comprising 50 children diagnosed with ADHD and 50 matched non-ADHD controls. The adjusted effect of familial-environmental risk factors on ADHD was determined by systematic assessment.