Risk Assessment and Management Program (RAMP) on Knee Osteoarthritis in Primary Care
The goal of this clinical trial is to determine the clinical effectiveness of a Chronic Care Model (CCM) named Risk Assessment and Management Program on Knee OA (RAMP-Knee OA) in adults with knee Osteoarthritis (Knee OA) at 52 weeks.

Participants will be screened for eligibility to participate. After confirming eligibility, participants will complete the baseline assessment and be randomized into one of the following groups (n=114 for each group):

RAMP Knee-OA group
Usual care group

Outcomes will be measured at baseline, week 16, week 32, and week 52.
- EligibilityCriteria: Inclusion Criteria:  Diagnosis of Knee OA based on clinical criteria of the American Rheumatology College Moderate to severe Knee pain for 3 months or longer (average score of 4 or greater on a 0-10 pain scale in the past 3 months)  Exclusion Criteria:  Participants with potential serious knee pathology (e.g. inflammatory arthritis, acute trauma, malignancy) Previous Knee replacement Scheduled knee joint replacement surgery within 1 year Participants who are unable to reliably participate (e.g. those who do not speak Chinese or unable to attend study intervention) - HealthyVolunteers: No - Gender: All - MinimumAge: 45 Years - StdAgeList: Adult, Older Adult