BACKGROUND:

Improving health-related quality of life (HRQoL) necessitates an understanding of the influence of patient characteristics on, and interrelationship among, HRQoL domains. In osteoarthritis (OA), these associations have predominantly been examined in hip/knee populations. We investigated whether there were differences in these associations between foot/ankle and knee OA samples.

METHODS:

Individuals seeking orthopedic care for foot/ankle or knee OA completed a questionnaire pre-consultation, including HRQoL domains (bodily pain [BP], physical [PF] and social functioning [SF], and mental [MH] and general health [GH]), obesity, comorbidity, and sociodemographic characteristics. Associations were examined via stratified path analysis (foot/ankle vs knee). Foot/ankle: n = 180, mean age = 55 (range: 25 to 82), 52% female.

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