Use of cooking fuel associated with total under-five mortality in Pakistan.

<p>Ref = Reference category; n = number of under-five mortality cases and N = total number of under-five children; n(%) = weighted incidence proportion of under-five mortality cases; OR (95% CI) = odds ratio adjusted for wealth index, place of residence, mother’s age, education and working status, sex of child, breastfeeding status, household’s floor material and wall material, location of kitchen and smoking status of mother; clean fuels = electricity, liquid petroleum gas (LPG), natural gas, biogas; Polluting fuels = kerosene, coal/lignite, charcoal, wood, straw/shrubs/grass and animal dung.