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- Title
Construct validity of the EQ-5D in low-income Chinese American primary care patients.
- Authors
Lubetkin, Erica I.; Jia, Haomiao; Gold, Marthe R.
- Abstract
<bold>Objectives: </bold>Although the EQ-5D has been used with increasing frequency to measure health-related quality of life, to date, the measure's validity has not been examined in Chinese American immigrants. We evaluated the construct validity of the EQ-5D by testing its performance with respect to sociodemographic and clinical characteristics of the population and comparing responses on the EQ dimensions with the SF-36 subscales.<bold>Methods: </bold>The study surveyed low-income Chinese patients attending a community health center in New York City's Chinatown. Participants received self-administered versions of the EQ-5D and SF-36 and additional questions regarding demographic and clinical information.<bold>Results: </bold>856 patients were approached and data were collected from 523 patients (61%). Analysis of the EQ-5D responses by sociodemographic and clinical variables found significant differences among categories of age, gender, marital status, number of medical problems, self-rated health, and specific medical problems. Correlations between similar dimensions and subscale scores were stronger between the two measures than dissimilar ones. Patients without impairments on a given EQ dimension tended to have higher SF-36 subscale scores than patients reporting 'any' impairment (i.e. some/moderate or severe).<bold>Conclusions: </bold>The results provide initial support for the construct validity of the EQ-5D in our sample. Further studies should compare the performance of the EQ-5D with other preference-based measures in Chinese persons and examine the valuations that both low-income and Chinese persons place on core aspects of health.
- Subjects
PRIMARY care; MEDICAL care; QUALITY of life; SOCIODEMOGRAPHIC factors; PUBLIC health; SOCIAL status
- Publication
Quality of Life Research, 2004, Vol 13, Issue 8, p1459
- ISSN
0962-9343
- Publication type
journal article
- DOI
10.1023/B:QURE.0000040793.40831.72