Study design and data collection in Ethiopia, Ghana, and Burkina Faso; Sanitary inspection questions, risk factors, risk score calculations, and selected descriptive data, regression models, and results.

Table A in S1 Text. Table of adapted sanitary inspection questions with subcategorized risk factors. Table B in S1 Text. Sanitary risk score calculation. Table C in S1 Text. Table of descriptive data of cumulative rainfall for 15 days lag time and annual water table depth. Table D in S1 Text. Table of regression model fit parameters with and without precipitation. Table E in S1 Text. Table of regression results for aggregated sanitary risk with different binary precipitation(presence/absence) lag time. Table F in S1 Text. Table of regression results for dis-aggregated sanitary risk with different binary precipitation (presence/absence) lag time. Table G in S1 Text. Table of regression results for aggregated sanitary risk with different cumulative precipitation lag time. Table H in S1 Text. Table of regression results for dis-aggregated sanitary risk with different cumulative precipitation lag time. Table I in S1 Text. Table of regression results for individual sanitary risk factors with fifteen days cumulative precipitation. (ZIP)