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Juyoung Kim 1 Article
Health-related Quality of Life Instrument With 8 Items for Use in Patients With Type 2 Diabetes Mellitus: A Validation Study in Korea
Juyoung Kim, Hyeon-Jeong Lee, Min-Woo Jo
J Prev Med Public Health. 2022;55(3):234-242.   Published online May 12, 2022
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AbstractAbstract AbstractSummary PDFSupplementary Material
This study assessed the validity and reliability of the Health-related Quality of Life Instrument with 8 Items (HINT-8) in patients with diabetes. HINT-8 is a newly-developed, generic health-related quality of life (HRQoL) instrument.
Three HRQoL instruments—HINT-8, EuroQoL 5-Dimension 5-Level (EQ-5D-5L), and Short Form Health Survey version 2.0 (SF-36v2)—were provided to 300 patients with diabetes visiting a tertiary hospital for follow-up visits in Korea. The HRQoL scores obtained using the HINT-8 were evaluated for subgroups with known differences based on demographics and diabetes-related characteristics (known-group validity). The mean scores of the instruments were compared between groups segmented by their responses to the HINT-8 (discriminatory ability). Correlation coefficients of the HINT-8 with other instruments were calculated (convergent and divergent validity). The Cohen kappa and intra-class correlation coefficient (ICC) were also evaluated (test-retest reliability).
The average HINT-8 indexes were lower among women, older, and less-educated subjects. Subjects who did not list any problems on the HINT-8 had significantly higher HRQoL scores than those who did. The correlation coefficients of the HINT-8 with the EQ-5D-5L index and EuroQoL visual analogue scale were 0.715 (p<0.001) and 0.517 (p<0.001), respectively. The correlation coefficients between the HINT-8 index and the scores of 8 domains of the SF-36v2 ranged from 0.478 (p<0.001) to 0.669 (p<0.001). The Cohen kappa values for the HINT-8 ranged from 0.268 to 0.601, and the ICC of the HINT-8 index was 0.800 (95% confidence interval [CI], 0.720 to 0.860).
This study showed that the HINT-8 is a valid and reliable HRQoL instrument for patients with diabetes.
Korean summary
이 연구는 한국인의 사회문화적 특성을 반영하여 개발된 건강관련 삶의 질 도구인 HINT-8의 타당도 및 신뢰도를 대표적인 만성 질환인 제2형 당뇨 환자를 대상으로 검증하였다. 연구결과는 제2형 당뇨 환자에서 HINT-8의 활용 가능성을 보여주었을 뿐만 아니라 일반적 건강관련 삶의 질 도구 중 가장 널리 사용되고 있는 EQ-5D-5L보다 HINT-8이 삶의 질 상태를 더욱 정교하게 구분하고 있음을 보여주었다.


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JPMPH : Journal of Preventive Medicine and Public Health