Raion

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Raion

In several Slavic countries, a political subdivision referring to either a portion of a province or a portion of a large city.
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Environmental monitoring activities in the Russian Federation are dispersed among federal, regional, and local organizations, which loosely translate into the political and administrative divisions of the Russian Federation: regional oblasts and autonomous republics (of which there are 89), raions, and districts.
All polyclinics and hospitals in the 56 raions of Sverdlovsk Oblast record the diagnosis at each visit or admission on a standardized form, which includes name, address, employment (yes/no), place of work, age group (0-14 years, 15-17 years, [is greater than or equal to] 18 years), diagnosis, and first episode (yes/no).
The exposure within the units of observation (raions) is not expected to be homogenous, and differences in exposure between units of observation are possibly smaller than the individual differences within each unit of observation.