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Cross Validation of Attention-Deficit/Hyperactivity Disorder-After School Checklist
J Korean Acad Child Adolesc Psychiatry 2018; 29(3): 129-136
Published online July 1, 2018
© 2018 Korean Academy of Child and Adolescent Psychiatry.

Sukhyun Lee1, Bongseog Kim1, Hanik K. Yoo2, Hannah Huh2, and Jaewoo Roh3

1Division of Child & Adolescent Psychiatry, Department of Psychiatry Sanggye Paik Hospital School of Medicine Inje University, Seoul, Korea
2Seoul Brain Research Institute, Seoul, Korea
3Seoultop Psychiatric Clinic, Seoul, Korea
Correspondence to: Bongseog Kim, Division of Child & Adolescent Psychiatry, Department of Psychiatry Sanggyepaik Hospital School of Medicine Inje University, 1342 Dongil-ro, Nowon-gu, Seoul 01757, Korea Tel: +82-2-950-1082, Fax: +82-2-950-8883, E-mail: kimbs328@paik.ac.kr
Received November 20, 2017; Revised March 21, 2018; Accepted April 6, 2018.
This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Objectives: This study aimed to evaluate the efficacy of the attention-deficit/hyperactivity disorder (ADHD)-After School Checklist (ASK) by comparing the results of the Comprehensive Attention Test (CAT) and Clinical Global Impression-Severity (CGI-S) Scale and then by calculating the area under the receiver operating characteristic (ROC) curve.
Methods: We performed correlation analyses on the ASK and CAT results and then the ASK and CGI-S results. We created a ROC curve and evaluated performance on the ASK as a diagnostic tool. We then analyzed the test results of 1348 subjects (male 56.8%), including 1201 subjects in the general population and 147 ADHD subjects, aged 6–15 years, from kindergarten to middle school in Seoul and Gyeonggi province, South Korea.
Results: According to the correlation analyses, ASK scores and the Attention Quotient (AQ) of CAT scores showed a significant correlation of -0.20–-0.29 (p<0.05). The t-test between ADHD scores and CGI-S also showed a significant correlation (t=-2.55, p<0.05). The area under the ROC curve was calculated as 0.81, indicating good efficacy of the ASK, and the cut-off score was calculated as 15.5.
Conclusion: The ASK can be used as a valid tool not only to evaluate functional impairment of ADHD children and adolescents but also to screen ADHD.
Keywords : Attention-deficit/hyperactivity disorder; Self-management; Impulsiveness; After School Checklist; Screening test.


July 2018, 29 (3)
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