Table I.
Pooled Sample and Individual Study Characteristics
| Pooled Sample | Proyecto H | El Cuete III | El Cuete IV | Mujer Segura | Mujer Mas Segura | Salud Fronteriza | |
|---|---|---|---|---|---|---|---|
| Total Sample (N) | 3,368 | 201 | 1056 | 737 | 474* | 302* | 598 |
| Study Design | Cross-sectional | Cohort† | Cohort† | RCT† | RCT† | Cross-sectional | |
| Sampling Method | RDS | RDS and Community Outreach | RDS and Community Outreach | Community Outreach | Community Outreach | Clinic patients | |
| Study Recruitment | 08/2012–05/2014 | 04/2006–04/2007 | 03/2011–05/2013 | 01/2004–01/2006 | 10/2008–10/2009 | 01/2013–05/2013 | |
| Target Population | MSM | PWID | PWID | FSW | FSW-PWID | All patients accessing care | |
| HIV Testing Protocol | Double Rapid IFA confirmed | Single Rapid EIA & IFA confirmed | Single Rapid EIA & IFA confirmed | Single Rapid EIA & Western-blot confirmed | Single Rapid EIA & IFA confirmed | Double Rapid | |
|
| |||||||
| HIV+ Sample (N) | 191 | 35 | 47 | 36 | 36 | 19 | 18 |
| HIV Prevalence (%) | 5.7% | 17.4% | 4.5% | 4.9% | 7.6% | 6.3% | 3.0% |
| Gender | |||||||
| Male | 90 | 30 | 31 | 20 | -- | -- | 9 |
| Female | 95 | -- | 16 | 16 | 36 | 19 | 8 |
| Transgender | 6 | 5 | 0 | 0 | 0 | 0 | 1 |
| HIV Transmission Risk§ | |||||||
| MSM | 38 | 35 | 0 | 2 | -- | -- | 1 |
| PWID | 116 | 1 | 47 | 36 | 9 | 19 | 4 |
| Sex Work (SW) | 81 | 6 | 11 | 4 | 36 | 19 | 5 |
| SW-PWID | 44 | 0 | 11 | 1 | 9 | 19 | 1 |
RCT (Randomized Controlled Trial), RDS (Respondent-driven Sampling), Confirmatory HIV testing protocols: IFA (immunofluorescence assay), EIA (HIV-1 enzyme immunoassay).
†
Study protocols with longitudinal follow-up.
*
Total sample and participant data was restricted to participants from the Tijuana study sites only.
§
Participants may have reported more than one HIV transmission risk behavior.