|Intervention||Coverage level||Yearly costs ($Int, millions)||Yearly infections averted (millions)†||Average cost effectiveness ratio ($Int/infection averted)||Yearly DALYs averted (millions)†||Average cost effectiveness ratio ($Int/DALY averted)|
|Peer education for sex workers||50%||78||1.49||53||24.6||3|
|Peer education and treatment of sexually transmitted infections for sex workers||50%||83||1.82||45||29.9||3|
|School based education||50%||174||0.01||13 326||0.2||790|
|Voluntary counselling and testing||95%||207||0.32||642||5.2||40|
|Prevention of mother to child transmission||ANC||268||0.04||7191||0.9||310|
|Treatment of sexually transmitted infections||Current||177||0.34||522||5.6||32|
|No intensive monitoring, first line drugs only||ANC||550||0.03||18 884||1.0||542|
|Intensive monitoring, first line drugs only||ANC||588||0.03||21 788||1.0||570|
|No intensive monitoring, first and second line drugs||ANC||1671||0.03||56 718||1.3||1319|
|Intensive monitoring, first and second line drugs||ANC||1774||0.03||55 188||1.4||1280|
ANC=antenatal care coverage level.
↵* International dollars are a hypothetical unit of currency that has the same purchasing power that the US$ has in the United States at a given point in time. Details of this approach are discussed elsewhere.12
↵† Intervention benefits are not comparable with current epidemiological estimates because results in this analysis are computed in relation to a “no intervention” comparator, which subtracts current levels of condom use, treatment of sexually transmitted infections, and antiretroviral treatment.