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Abstract number: MOAC0305

Audio Computer Assisted Self Interview (ACASI) versus face-to-face interview methods in reporting HIV risk behaviors among men who have sex with men (MSM) in Nigeria. Andrew Karlyn 1 , Lung Vu 1 , Sylvia Adebajo 2 , Waimar Tun 1 , Sandra Johnson 3 , Meredith Sheehy 4 , Jean Njab 2

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Abstract number: MOAC0305

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  1. Audio Computer Assisted Self Interview (ACASI) versus face-to-face interview methods in reporting HIV risk behaviors among men who have sex with men (MSM) in Nigeria Andrew Karlyn1, Lung Vu1, Sylvia Adebajo 2, Waimar Tun1, Sandra Johnson3, Meredith Sheehy 4, Jean Njab2 1 Population Council, Washington DC, akarlyn@popcouncil.org 2 Population Council, Abuja, Nigeria 3 Independent data manager 4 Population Council, New York Abstract number: MOAC0305 Session: Novel Approaches to Prevention Interventions and MeasurementDate: Monday, 18.07.2011Time: 14:30 - 16:00Room: Session Room 3

  2. Study Objectives • Provide critical epidemiological and methodological information for the Government of Nigeria’s HIV and STI programs targeting MSM and IDUs. • Validate behavioral data by comparing a face-to-face survey with an ACASI self-administered survey 

  3. ACASI • Significantly reduces social desirability biases in surveys providing more accurate and reliable behavioral data. (Aral & Peterman, 1996; Hewett et al. 2004; Mensch et al. 2003; Murphy et al., 2000) • Increases consistency of reported sensitive behaviors (Jarlais et al. 1999; Langhaug et al. 2010), while improving privacy and confidentiality (Wijgert et al. 2000; van derElst, et al. 2009).

  4. MSM and HIV in Nigeria • HIV prevalence among MSM is estimated at 14% (FMOH, IBBSS, 2007) • Proportion of new infections attributable to MSM ranges from 10% to 25% (FMOH/UNAIDS MOT Study, 2010) • Socially stigmatized, legally criminalized (Human Rights Watch, 2007; UNAIDS, 2005; Onyango-Ouma, 2005) • Limited access, targeting, quality of service delivery

  5. Methods • Cross-sectional survey (Abuja, Ibadan, Lagos) • 712 MSM participants recruited through respondent driven sampling (RDS) • Biological samples were obtained to test for HIV and STI - syphilis, HBV, HCV, Chlamydia, and gonorrhea • Behavioral interview administered to participants randomized to face-to-face or ACASI method • Low tech – netbook, QDS, headphones ($450/unit) • Adjusted prevalence estimates in RDSAT

  6. Reported HIV risks by interview mode among MSM (N=712)

  7. OR=odds ratio, CI= confidence interval, *: significant at p <.05, **: significant at p <.01, ***: significant at p <.001. Adjusted for age, education, and study sites

  8. User Experience with ACASI

  9. Conclusions • ACASI contributes to • Quality of interviews for MSM • Improves user experience among some groups • Reduces costs • Interviewers • Data management • Return to systematic surveillance • Integration with systematic screening • Link to service delivery

  10. Acknowledgments • Generously funded by DFID contract Enhancing Nigeria’s Response (ENR) to HIV/AIDS, contract number: CNTR 200808311 • Service delivery component funded by CDC Nigeria, CA 1 U2 GPS001066-01 • Special thanks to: • National AIDS/STI Control Program (NASCAP) • National Agency for the Control of AIDS (NACA) • Society for Family Health • FHI • Centre for the Right to Health

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