Sample details by economic classification at the time of the DHS survey for each country included in the analysis.

1GNIpc in $ using Atlas method at time of survey, World Bank classification. http://tinyurl.com/3bpg77q.2World Bank income classification. http://data.worldbank.org/about/country-classifications> and notes http://tinyurl.com/cnhf9aw>. LI = low-income; MI = middle-income.3Includes women 13–49 years (the rest of the figures for Colombia are for women 15–49 years).4Anthropometry collected in half of the household sample.5Excludes pregnant women; includes missing covariates.