A 12-item short form of the Hip disability and Osteoarthritis Outcome Score (HOOS-12): tests of reliability, validity and responsiveness
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UMass Chan Affiliations
Department of Population and Quantitative Health SciencesDocument Type
Journal ArticlePublication Date
2018-11-10Keywords
HOOSHip
Osteoarthritis
Patient-reported outcome measures
Psychometrics
Epidemiology
Musculoskeletal Diseases
Orthopedics
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OBJECTIVE: To evaluate reliability, validity and responsiveness of Hip disability and Osteoarthritis Outcome Score (HOOS)-12, a 12-item short form of the 40-item HOOS. HOOS-12 provides Pain, Function and Quality of Life (QOL) scale scores and a summary hip impact score. DESIGN: Data from 1,273 FORCE-TJR hip osteoarthritis (OA) patients who completed HOOS before and six and 12 months after total hip replacement (THR) were analyzed. HOOS-12 includes a pain frequency item and three items measuring pain during increasingly difficult (sitting/lying, walking, stairs) activities; function items about standing, rising from sitting, getting in/out of a car, and walking on an uneven surface; and the 4-item HOOS QOL scale. Percent computable scale scores, floor and ceiling effects, internal consistency reliability, validity (scale correlations, tests of known groups validity using one-way analysis of variance (ANOVA)) and responsiveness (effect sizes, standardized response means) were compared for HOOS-12, full-length HOOS, HOOS-PS and HOOS, JR. RESULTS: Internal consistency reliability was above 0.70 for all HOOS-12 scales and above 0.90 for the HOOS-12 Summary score. Validity and responsiveness of HOOS-12 Pain, Function and QOL scales were satisfactory and reached similar conclusions as comparable full-length HOOS scales. The HOOS-12 Summary score was highly responsive in discriminating between groups who differed in global ratings of post-THR change in physical capabilities and had high effect sizes and standardized response means (SRM). CONCLUSIONS: HOOS-12 was a reliable and valid alternative to HOOS in THR patients with moderate to severe OA and provided three domain-specific and summary hip impact scores with substantially reduced respondent burden.Source
Osteoarthritis Cartilage. 2018 Nov 10. pii: S1063-4584(18)31515-2. doi: 10.1016/j.joca.2018.09.017. [Epub ahead of print] Link to article on publisher's site
DOI
10.1016/j.joca.2018.09.017Permanent Link to this Item
http://hdl.handle.net/20.500.14038/46784PubMed ID
30419279Related Resources
ae974a485f413a2113503eed53cd6c53
10.1016/j.joca.2018.09.017