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ERIC Number: EJ954625
Record Type: Journal
Publication Date: 2012-Feb
Pages: 13
Abstractor: As Provided
Reference Count: N/A
ISSN: ISSN-0016-9013
Development of Short Versions for the WHOQOL-OLD Module
Fang, Jiqian; Power, Mick; Lin, Yueqing; Zhang, Jinxin; Hao, Yuantao; Chatterji, Somnath
Gerontologist, v52 n1 p66-78 Feb 2012
Purpose of the study: To explore short-form versions of World Health Organization Quality of Life (WHOQOL-OLD) with acceptable psychometric properties, which was developed for older adults by the WHOQOL research group, containing 24 items initially. Design and Methods: We randomly sampled two-thirds of respondents from the data of WHOQOL-OLD field study (N = 5,566), as a developmental sample, and the remaining third as a validation sample. Three approaches (item response theory [IRT] and regression analysis [REG], classical test theory [CTT] and REG, and CTT and IRT and REG) were performed to develop three short-form scales with six items each using the developmental sample. The reliability and criterion validity of the three short-form scales were evaluated using the validation sample. Results: The version 1 of short-form scales contained items 6, 11, 12, 16, 20, and 21; version 2 contained items 2, 6, 11, 12, 17, and 22; and version 3 contained items 4, 6, 17, 19, 20, and 24. The correlation coefficient between the total scores of the three versions and WHOQOL-OLD were 0.918, 0.925, and 0.922, respectively. The internal consistency reliability coefficients of the three versions were 0.681, 0.678, and 0.649, respectively. Implications: The three versions of short-form WHOQOL-OLD contained the best items of the original module, much shorter, and with good internal consistency and criterion validity as a whole.
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Publication Type: Journal Articles; Reports - Research
Education Level: N/A
Audience: N/A
Language: English
Sponsor: N/A
Authoring Institution: N/A