Psychiatry Investig Search

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Psychiatry Investig > Epub ahead of print
[Epub ahead of print]
DOI: https://doi.org/10.30773/pi.2018.07.25    Published online October 11, 2018.
Reliability and Validity of the Korean Version of Health Anxiety Questionnaire
Kyu-Sic Hwang1,2, Seung-Ho Jang1,2, Hye-Jin Lee3, Sang-Yeol Lee1,2,4
1Department of Psychiatry, Wonkwang University Hospital, Iksan, Republic of Korea
2Wonkwang Brain-Behavior Mental Health Institute, Iksan, Republic of Korea
3Department of Public Health, Wonkwang University Graduate School, Iksan, Republic of Korea
4Department of Psychiatry, School of Medicine, Wonkwang University, Iksan, Republic of Korea
Correspondence: Sang-Yeol Lee ,Tel: +82-63-859-1044, Fax: +82-63-857-1043, Email: psysangyeol@hanmail.net
Received: May 14, 2018   Revised: July 10, 2018   Accepted: July 25, 2018   Published online: October 11, 2018
Abstract

Objective
Health anxiety can be defined by concern about health in the absence of a pathology. The Health Anxiety Questionnaire (HAQ) based on the cognitive-behavioral model can be useful for evaluating the severity and the structure of health anxiety. This study aims to verify the reliability and validity of Korean version of HAQ (K-HAQ).
Methods
For reliability, test-retest reliability and internal consistency were analyzed. For construct validity, exploratory factor analysis (EFA) and confirmatory factor analysis (CFA) were conducted. Receiver Operating Characteristic (ROC) analysis was performed to identify the optimal cut-off score.
Results
Cronbach’s alpha was 0.92, and r value of test-retest reliability was 0.84. In the EFA, 4- and 5-factor model showed cumulative percentile of variance of 60% or more. In the CFA, the 4-factor model was found to be the most appropriate and simplest (χ2 =397.33, df=187, CFI=0.909, TLI=0.888, RMSEA=0.077). In the ROC analysis, the cut-off score was 20 points.
Conclusion
It is expected that K-HAQ can be helpful to evaluate the severity of health anxiety and make therapeutic plans because KHAQ can help explore the cognitive, emotional, and behavioral structure of health anxiety by each factor.
Key words   Health anxiety, Hypochondriasis, Somatic symptom disorder, Illness anxiety disorder


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