Figure S1. Proportion of total airstrikes in [A] 2015 and [B] 2016, and airstrikes per 1000 population in [C] 2015 and [D] 2016 in Yemen, Figure S2. Change in population due to internally displaced persons from [A] 2013–2015 and [B] 2015–2016 in Yemen. Figure S3. Percent change in [A] severe food insecurity, [B] wheat flour price, [C] wealth index, 2013–2016 in Yemen. Figure S4. Percent change in access to [A] untreated water sources based on SDI, [B] unimproved toilets based on SDI, 2013–2016 in Yemen. (DOCX 1629 kb
