<![CDATA[Background: Osteoarthritis is the most common disease of arthritis that often occurs in the hands, hips, and knees. OA results in degeneration of the joints and causes pain. OA accounts for 7% or approximately 500 million people worldwide in the global population. The prevalence of OA in Indonesia is relatively high, namely 15.5% in men and 12.7% in women. Complaints that are very often complained of by OA patients are pain when doing various daily activities. Pain felt by OA sufferers can affect the quality of physical activity in OA patients.Objective: This study aims to determine the relationship between pain level and the quality of physical activity in patients with osteoarthritis of the knee joint at PHC Surabaya Hospital.Methods: This study used an observational analytic study carried out with a cross-sectional approach. The sampling technique used was non-probability sampling, purposive sampling with respondents who met the inclusion and exclusion criteria. The population used in osteoarthritis sufferers at PHC Surabaya Hospital with 76 respondents. The measuring instrument used to measure pain is the Numerical Rating Scale (NRS), and the questionnaire used to assess the quality of physical activity is the WOMAC questionnaire.Results: The results of this study obtained a p-value 0.000 (p<0.005) and r = 0.922, which indicates that there is a significant relationship between the level of pain and the quality of physical activity in patients with osteoarthritis.Conclusion: there is a relationship between the level of pain and the quality of physical activity in patients with osteoarthritis.]]>
