Diagnosis of Puerile Attention Deficit Hyperactivity Disorder in Xichang City, Liangshan Yi Autonomous Prefecture, Sichuan Province

Abstract

Objective To study prevalence and influential factors of attention deficit hyperactivity disorder(ADHD)in children in Xichang city, Liangshan Yi Autonomous Prefecture, Sichuan Province. Methods A cluster-stratified sampling was conducted in children aged 6-16 years old in Xichang city, Liangshan Yi Autonomous Prefecture, Sichuan Province. Using General information Questionnaire and ADHD Symptoms Rating Questionnaire, diagnostic interviews were conducted in suspected ADHD children and their parents. Using Manual of Mental Disorders-Ⅳ(DSM-Ⅳ)criteria of ADHD.Patients were classified as ADHD predominantly inattentive(ADHD-I), predominantly hyperactive-impulsive (ADHD-HI)and combined hyperactive-impulsive and inattentive(ADHD-C)subtypes.According to children age, who were divided into 6-7 years old group(n=399), 8-10 years old group(n=958), 11-16 years old group(n=993). Influential factors of ADHD were analyzed. This study followed the ethics standard that was enacted by investigation in human beings Committee of the First people's Hospital in Liangshan Yi Autonomous Prefecture of Sichuan Province.Informed consent was obtained from the parents of each participating child. Results Prevalence of ADHD in children aged 6-16 years old in Xichang city, Liangshan Yi Autonomous Prefecture, Sichuan, Prevalences were 4.81%, and 2.64%, 1.40% and 0.77% in ADHD-I, ADHD-C and ADHD-HI subtypes, respectively. Prevalence of ADHD in boys was higher than that in girls(P<0.05). There were significant differences in prevalence of ADHD among various age groups and subtypes.Prevalence of ADHD was the highest in children aged 6-7 years old. Age, sex, mothers' education levels family history, birth injuries, unmerited education, parenthood were influential factors of ADHD. Conclusions Prevalence of ADHD-HI subtype was higher than those other two subtypes.Prevalence of ADHD was the highest in children aged 6-7 years old. The Prevalence of ADHD in boys was higher than that in girls in Xichang city. Age, gender, mothers' education levels, family history, birth injuries, unmerited education, parenthood were influential factors of ADHD. Key words: attention deficit hyperactivity disorder; prevalence; influencing factor; child