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OAKHQOL: a new instrument to measure quality of life in knee and hip osteoarthritis.

Abstract：

OBJECTIVE:To develop a questionnaire with which to measure quality of life (QoL) in patients with knee and hip osteoarthritis (OA). STUDY DESIGN AND SETTING:Thirty-two caregivers and 96 OA patients were interviewed individually (using cognitive and face-to-face techniques) and in focus groups. A group of experts working independently at first and then consensually used the interview transcripts to generate a 46-item questionnaire. RESULTS:Analysis of questionnaires completed by 263 patients with hip or knee OA resulted in the exclusion of three items (two because of low reliability and one because of a low response rate). Principal component analysis revealed four factors: physical activity, mental health, social functioning, and social support. A pain dimension was individualized. Preliminary testing showed the reliability of the five dimensions to be satisfactory (intraclass correlation coefficients: 0.70-0.85), construct validity was adequate when correlated with the SF36 (Spearman correlation coefficients: 0.43-0.75), and discrimination was satisfactory. The osteoarthritis knee and hip quality of life questionnaire (OAKHQOL) consists of 43 items in five dimensions and three independent items. CONCLUSION:The OAKHQOL is the first specific knee and hip OA quality of life instrument. Its development followed an a priori structured strategy to ensure content validity. It meets psychometric requirements for validity and reliability.

journal_name

J Clin Epidemiol

journal_title

Journal of clinical epidemiology

authors

Rat AC,Coste J,Pouchot J,Baumann M,Spitz E,Retel-Rude N,Le Quintrec JS,Dumont-Fischer D,Guillemin F

doi

10.1016/j.jclinepi.2004.04.011

subject

Has Abstract

pub_date

2005-01-01 00:00:00

pages

47-55

issue

1

eissn

0895-4356

issn

1878-5921

pii

S0895-4356(04)00179-9

journal_volume

58

pub_type

杂志文章,多中心研究

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