Clinical Research Directory

Inclusion criteria: * Age 65 years or older * Community-dwelling * Physician diagnosis of knee OA * Knee pain that occurs almost daily for at least the past 3 months * Knee pain-related difficulty with walking or climbing stairs * Stiffness in the knee for \<30 min/day in the morning * Crepitus in the knee Exclusion criteria: * Non-English speaking * Cognitive impairment (Mini-Cog score ≤3) * Unable or unwilling to give informed consent or accept randomization in either study group * Unwilling to wear a thigh-mounted accelerometer for 1 week * Significant, non-corrected visual or hearing impairment * Plans to move out of the area in the next 12 months * Plans to have knee, hip, or any other major surgery (including joint replacement) in the next 12 months * Unable to walk a quarter of a mile independently (use of a straight cane is acceptable) * Prior participation in cognitive-behavioral therapy or counseling for pain * Exercises regularly (≥20 minutes/week of walking, hiking, dancing, or strength training, or participate in water exercise) * Temporary exclusion: Any of the following in the past 6 months: cancer requiring treatment (except for non-melanoma skin cancer), heart attack or failure, stroke, hip fracture, hip/knee replacement, spinal surgery, heart surgery, deep vein thrombosis, or pulmonary embolus * Temporary exclusion: Hospitalization in the past month * Temporary exclusion: Currently undergoing physical therapy or rehabilitation treatment for knee OA or impairments in mobility function