Table 1.
Description of Early Human Immunodeficiency Virus (HIV) Infection Cohort, by Location of Participating Clinical Research Center
| Location | Study Start | Enrollment Complete | Source Population(s) | Enrolled, No. | Included in Analysis, No. (%) |
|---|---|---|---|---|---|
| Kigali, Rwanda | Feb 2006 | May 2011 | Discordant couplesa | 94 | 92 (97.9) |
| Masaka, Uganda | Jun 2006 | Nov 2011 | Rural communities, discordant couplesa | 97 | 95 (97.9) |
| Kilifi, Kenya | Jun 2006 | Oct 2011 | Walk-in VCT clients, FSW, MSM | 88 | 84 (95.5) |
| Lusaka, Zambia | Jun 2006 | Jul 2011 | Discordant couplesa | 151 | 150 (99.3) |
| Kangemi, Kenya | Aug 2006 | Jul 2010 | FSW, clients of FSW, MSM | 25 | 25 (100) |
| Entebbe, Uganda | Aug 2006 | Oct 2010 | Discordant couples,a walk-in VCT clients | 46 | 39 (84.8) |
| Ndola and Kitwe, Zambia | Oct 2006 | Dec 2011 | Discordant couplesa | 83 | 79 (95.2) |
| Cape Town, RSA | Dec 2006 | Nov 2007 | At-risk community membersb | 7 | 5 (71.4) |
| Rustenburg, RSA | Oct 2009 | Dec 2011 | At-risk community members,b MSM | 22 | 21 (95.5) |
| Summary | Feb 2006 | Dec 2011 | … | 613 | 590 (96.2) |
Abbreviations: FSW, female sex workers; MSM, men who report sex with men; RSA, Republic of South Africa; VCT, voluntary counseling and testing for HIV.
aHeterosexual cohabiting couples of discordant HIV status (one infected, one not).
bSelf-reported heterosexual risk for HIV acquisition (see Methods).