Reliability and Validity of Korean Version of the Conners Adult Attention Deficit Hyperactivity Disorder Scale in General Population

Jeong-Soo Park; Won Hye Lee; So-Ra Lee; Seol-Min Kim; Geon Ho Bahn

doi:10.4306/jknpa.2013.52.5.342

Journal List > J Korean Neuropsychiatr Assoc > v.52(5) > 1017649

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Park, Lee, Lee, Kim, and Bahn: Reliability and Validity of Korean Version of the Conners Adult Attention Deficit Hyperactivity Disorder Scale in General Population

Original Article

Journal of Korean Neuropsychiatric Association 2013; 52(5): 342-352.

Published online: 30 September 2013

DOI: https://doi.org/10.4306/jknpa.2013.52.5.342

Reliability and Validity of Korean Version of the Conners Adult Attention Deficit Hyperactivity Disorder Scale in General Population

Jeong-Soo Park, MA¹, Won Hye Lee, PhD², So-Ra Lee, MA¹, Seol-Min Kim, MA³, Geon Ho Bahn, MD²

¹Department of Neuropsychiatry, VHS Medical Center, Seoul, Korea.

²Department of Neuropsychiatry, Kyung Hee University School of Medicine, Seoul, Korea.

³Department of Neuropsychiatry, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea.

Address for correspondence: Won Hye Lee, PhD. Department of Neuropsychiatry, Kyung Hee University School of Medicine, 23 Kyungheedae-ro, Dongdaemun-gu, Seoul 130-872, Korea. Tel: +82-2-958-8556, Fax: +82-2-957-1997, berbet@khmc.or.kr

Received 31 March 2013 Revised 4 July 2013 Accepted 9 July 2013

Abstract

Objectives

This study was conducted in order to determine the validity and reliability of the Korean Version of the Conners Adult ADHD Rating Scales-42 items & 26 items (K-CAARS-42 & K-CAARS-26) in nonclinical adult subjects.

Methods

The K-CAARS-42 & K-CAARS-26 was tested in non-clinical (n=270) native Korean-speakers. Internal consistency reliability was calculated using Cronbach's alpha and test-retest reliability was measured using Pearson correlations. To see validity, we performed the confirmatory factor analysis for determination of whether the four-factor model fit the data.

Results

The results showed that the subscales had acceptable internal consistency reliability and high test-retest reliability ; and the second-order scores showed significant correlation with the Korean version of the Barratt Impulsiveness Scale-11-Revised and Prospective and Retrospective Memory Questionnaire. The Confirmatory factor analysis revealed a four-factor structure of both K-CAARS-42 and K-CAARS-26.

Conclusion

The K-CAARS-42 & K-CAARS-26 is reliable and has possible utility for symptom assessment of attention deficit and hyperactivity disorder in nonclinical adult subjects. Further research is needed in order to determine the cutoff score for administration of the K-CAARS-42 & K-CAARS-26 to clinical adult subjects.

Keywords: Adult, ADHD, Validity, Reliability, Factor analysis, Psychiatric status rating scale

Figures and Tables

Table 1

Descriptive statistics for the K-CAARS-42 and K-CAARS-26 by gender

^*: p<0.05, ^**: p<0.01, ^***: p<0.001. K-CAARS-42 : Korean version of the Conners Adult ADHD Rating Scale-42, K-CAARS-26 : Korean version of the Conners Adult ADHD Rating Scale-26, M : Mean, SD : Standard deviation, ADHD : Attention deficit hyperactivity disorder

Table 2

Internal consistency of K-CAARS-42 and K-CAARS-26

Table 3

Correlation among subscales of K-CAARS-42 and K-CAARS-26, K K-BIS-11-R, and PRMQ

^*: p<0.05, ^**: p<0.01. K-CAARS-42 : Korean version of the Conners Adult ADHD Rating Scale-42, K-CAARS-26 : Korean version of the Conners Adult ADHD Rating Scale-26, ADHD : Attention deficit hyperactivity disorder, K-BIS-11-R : Korean version of the Barratt Impulsiveness Scale-11-Revised, PRMQ : Prospective and Retrospective Memory Questionnaire

Table 4

Korean vs. U.S. version of the CAARS-42 : comparison of item location on second-order factors

K-CAARS-42 : Korean version of the Conners Adult ADHD Rating Scale-42, A : Inattention/Memory problems, B : Hyperactivity/Restless, C : Impulsivity/Emotional lability, D : Problems with Self-Concept, ADHD : Attention deficit hyperactivity disorder

Table 5

Korean vs. U.S. version of the CAARS-26 : comparison of item location on second-order factors

K-CAARS-26 : Korean version of the Conners Adult ADHD Rating Scale-26, A : Inattention/Memory Problems, B : Hyperactivity/Restless, C : Impulsivity/Emotional Lability, D : Problems with Self-Concept

Notes

The authors have no financial conflicts of interest.

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