Background Till present there are practically no information on the prevalence and risk factors of osteoarthritis in populations residing in severe climatic zones of Russia and subject to the influence of a number of unfavourable environmental factors.
Objectives To study the epidemiology of osteoarthritis among native population of rural areas of Siberian North – in Yakutia.
Methods Cross-sectional study of residents of four Yakutian settlements (North/North-Eastern part of Siberia) was performed. At the moment of the study 1282 persons aged 18 and more resided lived there. Among them 1216 persons (94.8%) were examined. 1002 persons were Yakutians (Saha) and 214 – Evenks.
Results Osteoarthritis was diagnosed in 218 settlement residents. Correspondingly the prevalence of OA in the population under study was 18.00.8%. Among women the OA prevalence was 22.51.4% and among men 12.61.4% (p < 0.05). There was no reliable difference in prevalence between Yakuts and Evenks (correspondingly 17.3% and 21.0%, p < 0.05). We found linear correlation (r = 0.96) between frequency of OA and age.
Conclusion Thus, epidemiological study of osteoarthritis among rural population of Russian North demonstrated that the prevalence of the disease is 18.0% and women prevail and there is direct age relation between age and frequency of the disease.
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