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African Population Studies
Union for African Population Studies
ISSN: 0850-5780
Vol. 34, No. 1, 2020, pp. 5160-5170
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Bioline Code: ep20007
Full paper language: English
Document type: Research Article
Document available free of charge
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African Population Studies, Vol. 34, No. 1, 2020, pp. 5160-5170
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Estimating the median age at menarche with a Logit model: Application to African DHS surveys
Garenne, Michel
Abstract
Background: The study investigates the median age at menarche in African countries.
Data Source and Methods: DHS surveys provided information on the proportion ever-menstruating
among women age 15-19. A linear-logistic regression model was used to derive the median age at
menarche (statu quo method). Some 139 DHS surveys were analysed, for a total of 304,826 women.
Results: Results show a wide range of variations of the median age at menarche among the 35 countries
investigated, from 13.1 to 15.2 years.
Conclusion: Country variations were correlated with various variables indicating the level of
development (Income per capita; Caloric intake; Urbanization; Child mortality; Fertility; Age at
marriage). Two variables were particularly important: food intake and urbanization.
Keywords
Age at menarche; Logit model; Socio-economic correlates; DHS surveys; Sub-Saharan Africa.
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