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KMID : 0377220010260020105
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Medical Journal of Chosun Univercity
2001 Volume.26 No. 2 p.105 ~ p.117
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The prevalence of Attention Deficit Hyperactivty Disorder in Urban Elementary School Children
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Pyo Kyung-Sik
Park Sang-Hag
Kim Sang-Hoon
Cho Yong-Rae
Kim Hack-Ryul
Moon Kyung-Rye
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Abstract
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Background and Objectives : To study the prevalence of ADHD in urban elementary school children using the Korean version of the disruptive behavior disorders parent rating scale.
Materials and methods : 6,372 students from seven urban elementary schools were targeted using the parent rating scale.
Results : (1)The total ADHD prevalence was 6.1%. It can be broken down as follows: 4.1% was the Inattentive type, 1.0% was the Hyperactive-impulsive type and 1.1% was the Combined type. 8.3% occurred in male students and 3.9% occurred in female students. The prevalence in boys was significantly higher. (2) The prevalence of Conduct Disorder(CD) was 0.3%: 0.2% for male students and 0.3% for female students. There was no significant difference between girls and boys. (3) The prevalence of Oppositional Defiant Disorder(ODD) was 4.4%: 5.0% for boys and 3.9% for girls. The value for boys was significantly higher. (4) A statistically significant difference between grades was found with ADHD, but no significant difference between grades was found with CD and ODD. (5) In the results of the comorbidity research, ADHD accompanied by CD was 2.3%. ADHD accompanied by ODD was 25.5%. ADHD accompanied by both CD and ODD was 4.1%. (6) Mild forms of ADHD, CD and ODD were found four times more often than that observed in typical cases.
Conclusion : Prevalence of ADHD in urban elementary schools is high and CD or ODD is accompanied more frequently. In the future, the school mental health project should be focused mainly on ADHD. From the beginning of urban elementary schools, ADHD should be screened for. Intervention is required depending on whether or not there are accompanying diseases.
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KEYWORD
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ADHD, Prevalence
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