PSI ■■ 13 calle 3-40 Ed. Atlantis, zona 10 GUATEMALA, 1010 ASOCIACIONPASMO.ORG PASMO ■■ 1120 19th STREET, NW I SUITE 600 WASHINGTON, DC 20036 PSI.ORG PSI.

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PSI ■■ 13 calle 3-40 Ed. Atlantis, zona 10 GUATEMALA, 1010 ASOCIACIONPASMO.ORG PASMO ■■ th STREET, NW I SUITE 600 WASHINGTON, DC PSI.ORG PSI ■■ Evaluating the impact of combination prevention on increasing condom use among female sex workers in Central America Presenting author: Jorge Rivas-PASMO Other authors: Sussy Lungo-PASMO, Susan Ruether-Population Services International (PSI), Katie Anfinson- PSI, Alejandra Cabrera-PASMO, Rebecca Firestone-PSI. Abstract number: THAC0302

PSI ■■ 13 calle 3-40 Ed. Atlantis, zona 10 GUATEMALA, 1010 ASOCIACIONPASMO.ORG PASMO ■■ th STREET, NW I SUITE 600 WASHINGTON, DC PSI.ORG Background No single prevention strategy will be sufficient for controlling the HIV pandemic The Pan-American Social Marketing Organization (PASMO) began implementing a Combination Prevention Program for HIV with partners in 2011 across 6 Central American countries The program links behavioral, biomedical and structural services for a range of key populations including FSWs

PSI ■■ 13 calle 3-40 Ed. Atlantis, zona 10 GUATEMALA, 1010 ASOCIACIONPASMO.ORG PASMO ■■ th STREET, NW I SUITE 600 WASHINGTON, DC PSI.ORG Implemented by Program partners Other key partners Ministries of Health/ National AIDS Programs in the region NGOs and civil society organizations Private sector, etc. 5-year program: Oct 2010 – Sep 2015 The USAID Combination Prevention Program for HIV in Central America Objective: To support the USAID Regional Combination Prevention Strategy, which focuses on providing sustainable, cost-effective interventions designed to promote access to HIV prevention interventions for key populations at greater risk for HIV and people living with HIV Target populations = key populations People living with HIV Transgender women Men that have sex with men (MSM) Female sex workers (FSW) Men at-risk and Caribbean populations Behavior change communication activities Access to water- based lubricant and latex condoms Voluntary counseling and testing for HIV STI diagnosis / screening RH/FO services and counseling Referrals to support groups (stigma and discrimination, legal support, violence, nutrition for PLHA, etc.) Referrals to alcohol and drug treatment centers Combination Prevention and Minimum Package BehavioralBiomedicalStructural

PSI ■■ 13 calle 3-40 Ed. Atlantis, zona 10 GUATEMALA, 1010 ASOCIACIONPASMO.ORG PASMO ■■ th STREET, NW I SUITE 600 WASHINGTON, DC PSI.ORG We conducted a mid-term evaluation to determine program effectiveness, testing associations between exposure to program components and HIV risk behaviors such as: -Consistent condom use with clients -Consistent condom use with regular partners -HIV test in the last 12 months

PSI ■■ 13 calle 3-40 Ed. Atlantis, zona 10 GUATEMALA, 1010 ASOCIACIONPASMO.ORG PASMO ■■ th STREET, NW I SUITE 600 WASHINGTON, DC PSI.ORG Methods Guatemala n=614 El Salvador n=520 Nicaragua n=604 Costa Rica n=648 Panamá n=608 Belize n=299 Total n=3293 Time location sampling Population Female sex workers Fixed & Street-based Age years Residents of study cities (5 cities per country, 3 in Panama) Analysis Created statistically equivalent groups of exposed and non- exposed respondents Coarsened exact matching (CEM) on SES, age, length of time working as a FSW, education Average treatment effects for HIV testing and condom use outcomes estimated by country using logistic regression in the matched sample *The study was reviewed and approved by the PSI research ethics board and authorized in each country by local ministries or ethical boards.

PSI ■■ 13 calle 3-40 Ed. Atlantis, zona 10 GUATEMALA, 1010 ASOCIACIONPASMO.ORG PASMO ■■ th STREET, NW I SUITE 600 WASHINGTON, DC PSI.ORG This method works by exact matching on variables chosen by the user, which can be redefined to ensure a greater success in finding matched cases. Coarsened Exact Matching (CEM) as an evaluation tool Exposed Non-Exposed SES AGE Self ID Methods

PSI ■■ 13 calle 3-40 Ed. Atlantis, zona 10 GUATEMALA, 1010 ASOCIACIONPASMO.ORG PASMO ■■ th STREET, NW I SUITE 600 WASHINGTON, DC PSI.ORG Descriptive behavioral statistics of matched sample General results

PSI ■■ 13 calle 3-40 Ed. Atlantis, zona 10 GUATEMALA, 1010 ASOCIACIONPASMO.ORG PASMO ■■ th STREET, NW I SUITE 600 WASHINGTON, DC PSI.ORG Results Evaluation measures BehaviorExposureImpact Consistent condom use with any client IPCNot found IPC+BIONot found IPC+BIO+StructuralNot found Consistent condom use with regular partners IPCCosta Rica/Belize IPC+BIOCosta Rica/Panama IPC+BIO+StructuralEl Salvador HIV TestIPCNot found No impact found in Guatemala and Nicaragua for any behavior

PSI ■■ 13 calle 3-40 Ed. Atlantis, zona 10 GUATEMALA, 1010 ASOCIACIONPASMO.ORG PASMO ■■ th STREET, NW I SUITE 600 WASHINGTON, DC PSI.ORG Results Odds Ratio El Salvador Exposure to IPC+BIO+STR Panamá Exposure to IPC+BIO Costa Rica Exposure to IPC+BIO Consistent condom use with regular partners 2.73 Costa Rica Exposure to IPC 3.80 Belize Exposure to IPC

PSI ■■ 13 calle 3-40 Ed. Atlantis, zona 10 GUATEMALA, 1010 ASOCIACIONPASMO.ORG PASMO ■■ th STREET, NW I SUITE 600 WASHINGTON, DC PSI.ORG Study Limitations CEM only matches along observed covariates and does not account for unobserved covariates. The effects of unobserved covariates are accounted for insomuch as they are correlated with those that are observed Another potential limitation is the process of variable coarsening, which introduces variability between matched pairs. CEM faces a tradeoff between increasing the number of matched pairs at the expense of less exact matching This study uses a post-only design that relies on retrospective exposure and outcome measurement, which can be prone to recall bias Outcomes in this study are measured by self report, which may introduce bias to under- or over-report

PSI ■■ 13 calle 3-40 Ed. Atlantis, zona 10 GUATEMALA, 1010 ASOCIACIONPASMO.ORG PASMO ■■ th STREET, NW I SUITE 600 WASHINGTON, DC PSI.ORG Findings suggest Combination Prevention strategies can contribute to condom use with regular partners among FSWs in Central America Multiple interventions and services allow target groups to address deeper factors that influence their behaviors Programs should continue offering combination prevention interventions and services to FSW Conclusion

PSI ■■ 13 calle 3-40 Ed. Atlantis, zona 10 GUATEMALA, 1010 ASOCIACIONPASMO.ORG PASMO ■■ th STREET, NW I SUITE 600 WASHINGTON, DC PSI.ORG The Combination Prevention Program for HIV in Central America is implemented as an innovative-action-oriented, and results-driven partnership between USAID and PSI/PASMO and is made possible by the generous support of the American people through PEPFAR and USAID. Acknowledgements