Estimating the contribution of a service delivery organisation to the national modern contraceptive prevalence rate: Marie Stopes International's Impact 2 model

Table 1 Sources of relevant default assumptions in Impact 2 model

Data	Source
Projected women of reproductive age	UN Population Prospects (2010) revision [11]
Projected female life expectancy at birth (e₀)	UN Population Prospects (2010) revision [11]
Female age-specific mortality rates (₅p_x)	Model life table families [14]
Units needed for one year of coverage	United States Agency for International Development (USAID) 2011 CYP Update [6]
Median age of sterilisation	DHS (for samples greater than 30 women) or weighted regional average [10]
Cumulative continuation rates (IUD, implant)	USAID 2011 CYP Update [6]

ISSN: 1471-2458