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Average daily moderate- and vigorous-intensity physical activity (MVPA, ≥3 metabolic equivalents) at 3 and 9 months of intervention for the self-management group (SM) and collapsed resistance training (RT) groups (RT and RT+SM). Values were adjusted for baseline MVPA, age, body mass index, sex, and knee osteoarthritis pain. There was a significant group × time interaction (P=.034) for MVPA.
