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Spatial patterns and determinants of fertility levels among women of childbearing age in Nigeria
Authors: Oluwayemisi O. Alaba, Olusanya E. Olubusoye, and J.O. Olaomi
Source: South African Family Practice, 59(4): 143–147; DOI: 10.1080/20786190.2017.1292693
Topic(s): Fertility
Reproductive health
Spatial analysis
Women's health
Country: Africa
  Nigeria
Published: JUL 2017
Abstract: Background: Despite aggressive measures to control the population in Nigeria, the population of Nigeria still remains worrisome. Increased birth rates have significantly contributed to Nigeria being referred to as the most populous country in Africa. This study analyses spatial patterns and contributory factors to fertility levels in different states in Nigeria. Method: The 2013 Nigerian Demographic Health Survey (NDHS) data were used to investigate the determinants of fertility levels in Nigeria using the geo-additive model. The fertility levels were considered as count data. Negative Binomial distribution was used to handle overdispersion of the dependent variable. Spatial effects were used to identify the hotspots for high fertility levels. Inference was a fully Bayesian approach. Results were presented within 95% credible Interval (CI). Results: Secondary or higher level of education of the mother, Yoruba ethnicity, Christianity, family planning use, higher wealth index, previous Caesarean birth were all factors associated with lower fertility levels in Nigeria. Age at first birth, staying in rural place of residence, the number of daughters in a household, being gainfully employed, married and living with a partner, community and household effects contribute to the high fertility patterns in Nigeria. The hotspots for high fertility in Nigeria are Kano, Yobe, Benue, Edo and Bayelsa states. Conclusion: State-specific policies need to be developed to address fertility levels in Nigeria. Keywords: Bayesian analysis, count data, fertility, Nigeria, spatial analysis
Web: https://www.ajol.info/index.php/safp/article/download/160508/150079