期刊
QUALITY OF LIFE RESEARCH
卷 22, 期 2, 页码 295-308出版社
SPRINGER
DOI: 10.1007/s11136-012-0140-8
关键词
Measurement; Reliability; Validity; Breast cancer survivors; Ethnic minority; Linguistic minority
Psychometric inadequacy interferes with the assessment of patient-reported health outcomes. This study examined the psychometric properties of several standardized measures in health research. Participants completed health outcomes measures including the FACT-G, SF-36, MOS Social Support Survey, and CES-D. Psychometric properties examined include reliability, and construct and concurrent validity. 320 BCS including 88 African-, 95 English-proficient Latina-, and 137 Limited English-proficient Latina-Americans participated. The findings demonstrate acceptable reliability (alpha > 0.70) and consistent factor structures for most measures with the variance ranging from 56 to 84%. The FACT-G physical well-being and SF-36 role limitations subscales had the best fitting structures. Concurrent validity showed the FACT-G subscales correlated with their appropriate counterparts. Despite being commonly used instruments in HRQOL (e.g., FACT-G, SF-36) and QOL (e.g., CES-D, MOS) research, few studies reported the psychometric properties of these and when applied cross-culturally. However, evaluating the psychometric properties of measures in health outcomes research should be done routinely.
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