Association of Pain and Steps Per Day in Persons With Mild‐to‐Moderate, Symptomatic Knee Osteoarthritis: A Mixed‐Effects Models Analysis of Multiple Measurements Over Three Years

OBJECTIVE: Pain is a consistently reported barrier to physical activity by persons with knee osteoarthritis (OA). Nonetheless, few studies of knee OA have investigated the association of pain with daily walking levels. The current study assessed the relationship of 2 distinct measures of knee pain with objectively measured physical activity in adults with knee OA. METHODS: This was a longitudinal, observational investigation of 59 individuals …