Table S1. Sample sizes (unweighted) used in analyses, by survey. Table of sample sizes, by survey. Table S2. Comparison of estimates of deliveries from all births to most recent births, by survey. Table of estimates, by method. Table S3. Categorisation of ANC and delivery care locations into sector of provision, by survey. Table showing response options for ANC and delivery care locations by survey. Table S4. Change in coverage and co-coverage indicators over time. Table showing estimates and change over time. Table S5. Differences in the extent of socio-economic inequalities over time. Table showing extent of socio-economic inequalities. (PDF 320 kb)