Psychometric properties of the Korean version of the medical outcomes study HIV health survey: Results from a multicenter survey in Korea

Eun Jung Shim, Hyeju Ha, Sun Hee Lee, Nam Joong Kim, Eu Suk Kim, Ji Hwan Bang, Kyoung Ho Song, Bo Kyung Sohn, Hye Youn Park, Kyung Lak Son, Heesung Hwang, Kwang Min Lee, Bong Jin Hahm

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Abstract

Background: Precise assessment of health-related quality of life (HRQOL) with a reliable and valid measure is a prerequisite to the enhancement of HRQOL. This study examined the psychometric properties of the Korean version of the Medical Outcomes Study HIV Health Survey (K-MOS-HIV). Methods: The reliability and validity of the K-MOS-HIV were examined in a multicenter survey involving 201 outpatients with human immunodeficiency virus (HIV)/ acquired immunodeficiency syndrome (AIDS) from four teaching hospitals throughout Korea. Results: Ceiling effects were observed in six subscales scores, particularly, for the role functioning (71.1%), social functioning (63.2%), and pain (48.8%) scores. The Cronbach's α for the physical health summary and mental health summary were 0.90 and 0.94, respectively, and it ranged from 0.78 to 0.95 for the subscales. The results of the exploratory structural equation modeling supported the two-factor structure of the K-MOS-HIV (physical health summary and mental health summary). An examination of the mean square statistics values from the Rasch analysis showed that the information-weighted fit and outlier-sensitive fit statistics were within the acceptable ranges of 0.6-1.4 except for two items in the mental health summary. The convergent validity of the K-MOS-HIV was supported by its significant positive correlations with the World Health Organization Quality of Life-HIV-BREF subscale scores. Its known-group validity was proven with its ability to detect significant differences in several K-MOS-HIV subscale scores among participants with different sociodemographic and clinical characteristics. Conclusions: The K-MOS-HIV health survey appears to be a reliable and valid measure of HRQOL.

Original languageEnglish
Article number92
JournalHealth and Quality of Life Outcomes
Volume16
Issue number1
DOIs
StatePublished - 15 May 2018

Keywords

  • Acquired immunodeficiency syndrome
  • Health-related quality of life
  • Human immunodeficiency virus
  • Item response theory
  • Medical outcomes study HIV health survey

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