Methods:
Cross-country multiple regression analyses were undertaken, with DALYs and DALYs disaggregated
according to the three different groups of diseases as the dependent variable. Aggregate health workers and
disaggregate physicians, nurses, and midwives were included as independent variables, as well as a variable
accounting for the skill mix of professionals. The analysis also considers controlling for the effects of income,
income distribution, percentage of rural population with access to improved water source, and health expenditure