“…Seven studies [17, 18, 20, 21, 23, 27] reported COR as outcome, 7 studies [17, 18, 20, 21, 28, 29] calculated AOR after adjusting for potential confounders (gender, age, school bullying, family maltreatment, race, educational level, lifestyle factors, physical factors, mental factors and social factors). All these studies showed a consistency regarding the presence and direction of association, the prevalence of ADHD was found to be higher in IA subjects than in non-IA subjects amidst the selected study.…”