首页|Estimating the proportion of modern contraceptives supplied by the public and private sectors using a Bayesian hierarchical penalized spline model

Estimating the proportion of modern contraceptives supplied by the public and private sectors using a Bayesian hierarchical penalized spline model

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Quantifying the public/private-sector supply of contraceptive methods within countries is vital for effective and sustainable family-planning delivery. However, many low-and middle-income countries quantify contraceptive supply using out-of-date Demographic Health Surveys. As an alternative, we propose using a Bayesian, hierarchical, penalized-spline model, with survey input, to produce annual estimates and projections of contraceptive supply-share outcomes. Our approach shares information across countries, accounts for survey observational errors and produces probabilistic projections informed by past changes in supply shares, as well as correlations between supply-share changes across different contraceptive methods. Results may be used to evaluate family-planning program effectiveness and stability.

Bayesiancorrelationfamily planninghierarchicalsplinestime-series

Hannah Comiskey、G, Leontine Alkema、Niamh Cahill

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Hamilton Institute and Department of Mathematics & Statistics, Maynooth University, Maynooth, Ireland

School of Public Health & Health Sciences, University of Massachusetts, Amherst, MA, USA

2025

Journal of the Royal Statistical Society, Series A. Statistics in society
  • 44