To study epidemiology of osteoarthrosis among native population living in rural North of Russia.
Population of four villages of the Vilyui region of Sakha Republic (1216 citizens) was covered with a one-stage survey. Population of three villages were Yakuts, one village--evenks.
Prevalence of osteoarthrosis among native population of rural Yakutia is 18.0% (definite-9.4%, suspected--8.6%). General and specific osteoarthrosis risk factors linked with climatic-geographic local peculiarities were determined.
Prevalence of osteoarthrosis among rural citizens of Yakutia is higher than among urban population and depends more on micro- and macroclimatic conditions and occupational hazards.