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This work aims to understand the features among 5‐ to 15‐year‐old children with attention deficit hyperactivity disorder ( ADHD ) in  Z habei  D istrict in  S hanghai.    Methods  Children with  ADHD  were studied using general background questionnaire,  ADHD  symptom rating questionnaire, and cluster‐stratified sampling. A total of 9,900 valid questionnaires were utilized in this study. We conducted diagnostic interviews with suspected  ADHD  children and their parents using the criteria of the  D iagnostic and  S tatistical  M anual of  M ental  D isorders (4th Edition) for  ADHD .    Results  The prevalence rate of  ADHD  among the children was 4.6%, of which 2.4%, 0.4%, and 1.8% had  ADHD ‐ I ADHD‐HI , and  ADHD ‐ C  types, respectively. The prevalence rates in boys and girls were 6.6% and 2.7% (ratio, 2.41 : 1), respectively. Significant differences in prevalence rate were found among children with different age groups and  ADHD  types. Children aged 7–10 years had the highest prevalence rate (6.3%). Externally, residence children had higher prevalence than local residents. Significant differences in prevalence rate were also found among children with parents having different educational and socioeconomic level.    Discussion  The prevalence of  ADHD‐HI  was higher than the other two types. The highest prevalence was observed in 7‐ to 10‐year‐old children. The influential factors of  ADHD  prevalence were age, gender, and educational level.

asia‐pacific psychiatry

Prevalence and contributing factors to attention deficit hyperactivity disorder: A study of five‐ to fifteen‐year‐old children in  Z habei  D istrict,  S hanghai