Modelling time-to-discontinuation of exclusive breastfeeding: analysis of infants and under-2 survival in Nigeria

  • Oyewole Kazeem Oyedele University of Ibadan
  • Adeniyi Francis Fagbamigbe University of Ibadan
  • Olusola Ayeni University of Ibadan
Keywords: Infants, Maternal, Exclusive Breastfeeding, Kaplan-Meier, Cox Proportional Hazard, Wald Test, NARHS.

Abstract

Background: Regardless of national and international strategies towards promoting exclusive breastfeeding, only 17% and 35% of infants were exclusively breastfed in 2015 in Nigeria and Worldwide respectively. Therefore, we aim to estimate average length of exclusive breastfeeding for infants and under-2, evaluate and predict maternal impact.Data Source and Methods: This retrospective cross-sectional study applied NARHS data collected via multistage-cluster random sampling. Count and proportion quantified maternal characteristics, Kaplan-Meier method estimated length of exclusive breastfeeding whereas Cox Proportional Hazard model and Wald-test determine and evaluate maternal effect.Results: Median duration of exclusive breastfeeding was 6.0 months. Locality {P < 0.05 (0.73 – 0.98)} and place-of-delivery {P < 0.01 (1.06 – 1.19)} were the determinant factors. Cox Proportional Hazard model fit the data and Wald-test identified main predictors.Conclusions: Average time at which exclusive breastfeeding was discontinued was six months, mothers’ locality and delivery-place of infants influence exclusive breastfeeding duration in Nigeria. Hence, exclusive breastfeeding interventions should target those factors.

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Author Biographies

Oyewole Kazeem Oyedele, University of Ibadan
Department of Epidemiology and Medical Statistics, Faculty of Public Health, College of Medicine
Adeniyi Francis Fagbamigbe, University of Ibadan
Department of Epidemiology and Medical Statistics, Faculty of Public Health, College of Medicine
Olusola Ayeni, University of Ibadan
Department of Epidemiology and Medical Statistics, Faculty of Public Health, College of Medicine
Published
2020-07-24
Section
Articles