title: [Analysis of reproductive parameters of urban and rural population of Chuvashia].
abstract: Genetic and demographic characteristics for urban and rural population of the Chuvash Republic (Chuvashes and Russians) were calculated based on 1122 questionnaires. The sibship sizes for Chuvashes were 2.05 (urban) and 2.78 (rural). For Russians these indices were 1.75 (urban) and 2.00 (rural), respectively. Crow's index and its components were I(m) = 0.04; I(f) = 0.18; and I(tot) = 0.22 for urban, and I(m) = 0.07; I(f) = 0.27; and I(tot) = 0.36 for rural Chuvashes, respectively; and I(m) = 0.04; I(f) = 0.30; and I(tot) = 0.36 for urban, and I(m) = 0.03; I(f) = 0.29; and I(tot) = 0.33 for rural Russians, respectively.
authors.forename: G I
authors.initials: GI
authors.lastname: El'chinova
authors.forename: P A
authors.initials: PA
authors.lastname: Zinchenko
authors.forename: A G
authors.initials: AG
authors.lastname: Kirillov
authors.forename: A V
authors.initials: AV
authors.lastname: Abrukova
mesh_terms: D005006:Ethnicity / Q000706:statistics & numerical data; D005260:Female; D006801:Humans; D011247:Pregnancy; D012098:Reproduction; D012424:Rural Population / Q000706:statistics & numerical data; D012426:Russia; D014505:Urban Population / Q000706:statistics & numerical data