The knee osteoarthritis prevalence and associated influencing factors among adult residents in Urumqi city

ObjectiveTo investigate the prevalence of knee osteoarthritis (KOA) and its influencing factors among adult residents in Urumqi city, Xinjiang, and to provide a reference for the prevention and control of KOA. MethodsFrom June to August 2023, an online survey was conducted via Wenjuanxing using electronic questionnaires to investigate the prevalence of KOA and its related influencing factors among 5 000 adult residents aged 18 years old from 12 communities selected through multi-stage stratified cluster sampling in Urumqi city. ResultsAmong the 4 638 adult residents in Urumqi city finally included in the analysis, 444 had KOA, with a prevalence rate of 9.6%. Multivariable unconditional logistic regression analysis showed that age ≥40 years, sleep disorders, regular lifestyle, history of knee trauma, family history of arthritis, coronary heart disease, diabetes, hyperlipidemia, and hyperuricemia were risk factors for KOA in adult residents of Urumqi city. Education level of junior high school and above and daily water intake ≥500 mL were protective factors against KOA in adult residents of Urumqi city. ConclusionsThe prevalence of KOA among adult residents in Urumqi city is relatively low. Age, education level, daily water intake, sleep disorders, lifestyle regularity, history of knee trauma, family history of arthritis, coronary heart disease, diabetes, hyperlipidemia, and hyperuricemia are the main influencing factors of KOA in adult residents in this area.