Crow’s index in ethnic and social groups of urban population

Abstract

Aim. According to the data characterizing reproductive behavior of women, assess an impact of ethnicity and level of education on the intensity of selection in the urbanized multinational population of Kharkiv city. Methods. Data from obstetric history of 532 post-reproductive age women was studied. Results. For indicators of the number of pregnancies with favorable and unfavorable outcomes, universally valid statistical indicators were calculated. Crow’s indexes were calculated as indicators of the intensity of selection. The total selection index for Ukrainians living in Kharkiv equal 0.26, for Russians it is 0.32, and for the group formed from representatives of rare nationalities this index is 0.75. In a group of women with secondary education total selection index is 0.26, in a group with highest education it is 0.35. Conclusions. Ethnicity and level of education of women affects reproductive behavior and determine number of pregnancies and their outcomes. Selection indexes differ in ethnic groups and in groups with different levels of education.
 Keywords: reproductive characteristics, Kharkiv population, Crow's index, selection, nationality, education.