Risk factors and associated relative risks of low and lower-middle income severe acute respiratory infection, and sources of data on risk factors by country.

1Demographic and Health Survey.
2Encuesta Nacional de Salud Materno-Infantil (National Survey of Maternal and Child Health.)
3Multi-cluster indicator survey.
4The prevalence of household air pollution was calculated by applying the proportion of persons cooking with solid fuels in rural and urban areas to the proportion of persons living in rural and urban areas for each province.