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Aim
To identify the association between hours of being barefoot/wearing footwear, physical activity (PA) and knee osteoarthritis pain flares (KOAF).
Methods
Persons with a diagnosis of knee osteoarthritis, who reported previous KOAF, were followed up in a 3 months long telephone‐based case‐crossover study. Exposures to risk factors were assessed every 10 days and whenever the participants experienced...