This brief describes several statistical models that have been developed to estimate the number of health outcomes that will be averted because of contraceptive use. Concerns have been expressed that this range of approaches—which overlap in the impacts they estimate, but sometimes use different inputs, mathematical algorithms, and assumptions, and may produce different results—may be confusing for policymakers, managers, and donors who want to measure or evaluate these impacts. To address these concerns, the STEP UP consortium convened two expert meetings to review the estimation methods used; come to consensus on methodologies and assumptions, where possible; and provide guidance to those wanting to measure such impacts. As a result of this consensus-building process, decisionmakers and managers using the different models can more clearly understand the assumptions behind each model so as to make informed choices between them.
"Measuring the impact of contraceptive use on unintended pregnancy and other health outcomes," STEP UP Brief. New York: Population Council.
Strengthening Evidence for Programming on Unintended Pregnancy (STEP UP)
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