Junior Resident, Department of Child and Adolescent Psychiatry, Centre for Cognitive Neurosciences, Central Institute of Psychiatry, Kanke, Ranchi 834006, Jharkhand.
Indian J Psychiatry. 2006 Jul;48(3):159-64. doi: 10.4103/0019-5545.31579.
Prevalence estimates of conduct disorder, one of the most frequently diagnosed psychiatric conditions in children, vary widely from 0.2% to 8.7%.
To find out the prevalence of conduct disorder and its DSM-IV subtypes and comorbid attention deficit hyperactivity disorder (ADHD) in 4 schools of Kanke block among students of classes V to X.
A total of 240 students, selected by stratified random sampling, were subjected to the Schedule for Affective Disorders and Schizophrenia for School Age Children: Present and Lifetime Version (K-SADS-PL) screening interview. Nineteen students who qualified were subjected to conduct disorder and ADHD supplement of K-SADS-PL with additional information from parents.
Conduct disorder was found in 4.58%; the ratio of boys to girls being 4.5:1. Childhood onset was found in 73% and adolescent onset in 27%. Mild conduct disorder was found in 36%, moderate in 64% and severe conduct disorder in none. Comorbid ADHD was found in 36%, hyperactive-impulsive being predominant. Significant difference was found in temperament between students with and without conduct disorder with difficult temperament predominating in the former and easy in the latter (p=0.004). Lying, bullying and cruelty to animals were most frequent symptoms.
The prevalence of conduct disorder was 4.58%, more common in boys, the majority had childhood onset, and one-third had comorbid ADHD.
品行障碍是儿童最常见的精神疾病之一，其患病率估计值差异很大，从 0.2%到 8.7%不等。
了解康街街区 4 所学校 5 至 10 年级学生品行障碍及其 DSM-IV 亚型和共患注意缺陷多动障碍（ADHD）的患病率。
采用分层随机抽样法选取 240 名学生进行儿童心境障碍和精神分裂症筛查表：现病史和终身版（K-SADS-PL）筛查访谈。符合条件的 19 名学生接受 K-SADS-PL 的品行障碍和 ADHD 补充检查，并从家长处获取额外信息。
发现品行障碍 4.58%；男女性别比为 4.5:1。发病年龄为儿童期 73%，青春期 27%。轻度品行障碍 36%，中度 64%，无重度。共患 ADHD 36%，以多动冲动型为主。有品行障碍和无品行障碍的学生在气质上存在显著差异，前者以难养型为主，后者以易养型为主（p=0.004）。说谎、欺凌和虐待动物是最常见的症状。
品行障碍的患病率为 4.58%，更常见于男孩，大多数发病于儿童期，三分之一共患 ADHD。
