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TAMTAM's findings contributed to policy changes by the Kenyan authorities and non-profit organizations who are involved in bed net distribution.

TAMTAM facilitates research on relevant policy questions in an effort to continually improve best practices in malaria prevention. A study of the effect of TAMTAM in the first clinics where the program was implemented showed the potential of the program to trigger positive externalities: a 117% increase in prenatal care services, 84% increase in HIV testing services. Subsequently, a randomized evaluation of TAMTAM’s Kenya program by Jessica Cohen and Pascaline Dupas analyzed whether it is preferable to freely distribute bed nets or require a co-payment by recipients. They found TAMTAM’s approach of free distribution to be clearly superior in terms of lives saved without a significant drop in bed net utilization. Overall, they estimate the program can save 18 lives per 1000 pregnancies at a cost of $441 per child life saved. These findings influenced Kenya’s national bed net distribution policy which now emphasizes a clinic-based, fully subsidized distribution model, as well as the decision of the United Kingdom’s Department for International Development (DfID) to support free bed net distribution in Ethiopia.

In Uganda, TAMTAM conducted a randomized trial that showed that using Community Health Workers to hang nets in recipient homes boosted short-term net usage by 30%, confirming that “hang-up” campaigns can be a highly cost-effective approach to boost net usage.