Among the 9 loci with significantly different results in multivariate analysis, rs1410739 (OBI1-AS1 locus) affected three items from the questionnaire, including PSQ, STROOP, and WCST, respectively, corresponding to conduct problems, control ability and abstract thinking ability of children with ADHD, and all were independent risk factors. This evidence concerns the gene OBI1 and attention deficit-hyperactivity disorder.