A twin study of genetic and environmental influences on relationship between attention deficit and anxiety/depression in children and adolescents / 中华流行病学杂志

ABSTRACT

Objective To understand the genetic and environmental influences on the relationship between attention deficit and anxiety/depression in children and adolescents.Methods A total of 1 062 same-sex twins aged 6-18 years were included in this study.A parent-rated child behavior checklist (CBCL) was used in the assessment.Software Mx was used to fit the univariate model of structural equation.The relationship between attention deficit and anxiety/depression was analyzed through bivariate genetic modeling.Results The genetic factor had influence on the relationship between attention deficit and anxiety/depression (rg=0.48).Shared and non-shared environmental correlation scores of attention deficit and anxiety/depression were 0.86 and 0.14 respectively.Conclusion Common genetic and shared environmental influences can explain the relationship between attention deficit and anxiety/depression in children and adolescents.