Clinical study of the influential factors related to the comorbidity types in children with attention deficit hyperactivity disorder

Abstract

Objective To investigation the effect of gender, family parenting style,school education style, the subtype of ADHD to the comorbidity types of attention deficithyperactivity disorder(ADHD). Method Using the Vanderbilt ADHD Rating Scales and self-designed questionnaire diagnosised 224 ADHD children (male 205,female 19) in out-patient clinic, definited their clinical subtype and comorbidity. Through the rating scales to screen for the information about their family parenting styles and school education styles. According to their comorbidity type, they were divided into four groups:pure ADHD group(n=118), ADHD+ internalizing disorders (anxiety/depression) group(n=10),ADHD+ externalizing disorders (ODD/CD)(n=89),ADHD+ internalizing disorders+ externalizing disorders(n=7). Results The probability of comorbidity externalizing disorders in ADHD-CT children was 4.76 times(partial regression coefficient=1.58,P＜0.05) as in ADHD-PI children, and 6.25 times(partial regression coefficient=1.83,P＜0.05) as in ADHD-PI children. The probability of comorbidity externalizing disorders in ADHD children who received positive family parenting style was 2.01 times(partial regression coefficient=0.7,P＜0.05) as in children who received negative family parenting style.Conclusion ADHD-CT children have higher risk of co-existi externalizing disorders than ADHD-PI and ADHD-HI children. The ADHD children who received negative family parenting style have higher risk to have Externalizing disorders. Key words: Attention-deficit/hyperactivity disorder; Comorbidity; Influential factors; Child