Table 4. Subgroup and sensitivity analyses for UVAI with HIV negative or unknown status sexual partners among PLWHA1.
| Subgroup | No. of intervention | Combined effect size (95% CI) | P value | Heterogeneity | |
| I2 (%) | P value | ||||
| Recall period on UVAI (months) | |||||
| 3 | 8 | −0.11 (−0.24, 0.02) | 0.11 | 0 | 0.65 |
| >3 | 6 | −0.15 (−0.28, −0.02) | 0.02 | 0 | 0.58 |
| Number of study cities | |||||
| 1 | 4 | −0.15 (−0.39, 0.09) | 0.23 | 32 | 0.22 |
| >1 | 10 | −0.12 (−0.23, −0.02) | 0.02 | 0 | 0.87 |
| Venue of recruiting participants | |||||
| AIDS service organizations (ASO) | 6 | −0.16 (−0.29, −0.03) | 0.02 | 0 | 0.68 |
| Non-ASO | 8 | −0.10 (−0.23, 0.03) | 0.15 | 0 | 0.60 |
| Format of delivering intervention | |||||
| Group-based | 12 | −0.12 (−0.22, −0.02) | 0.02 | 0 | 0.78 |
| Individual-based | 2 | −0.23 (−0.58, 0.12) | 0.20 | 27.6 | 0.24 |
| Duration of follow-up (months) | |||||
| Immediately after intervention | 3 | −0.03 (−0.23, 0.17) | 0.78 | 0 | 0.95 |
| 1–5 | 4 | −0.13 (−0.29, 0.02) | 0.09 | 0 | 0.46 |
| 6–10 | 12 | −0.10 (−0.20, 0.01) | 0.08 | 17.8 | 0.27 |
| 11–15 | 11 | −0.13 (−0.24, −0.03) | 0.01 | 0 | 0.64 |
| >15 | 3 | −0.03 (−0.25, 0.19) | 0.80 | 0 | 0.89 |
| Retention rate at the last follow-up | |||||
| <80% | 7 | −0.14 (−0.26, −0.02) | 0.02 | 0 | 0.81 |
| ≥80% | 7 | −0.11 (−0.25, 0.04) | 0.15 | 0.2 | 0.42 |
| Risk group | |||||
| All MSM | 4 | −0.11 (−0.28, 0.06) | 0.20 | 0 | 0.46 |
| Other risk groups or mixed groups | 10 | −0.13 (−0.24, −0.03) | 0.02 | 0 | 0.70 |
| Sample size at baseline | |||||
| ≤300 | 3 | −0.12 (−0.57, 0.33) | 0.61 | 41.8 | 0.18 |
| >300 | 11 | −0.13 (−0.23, −0.04) | 0.01 | 0 | 0.85 |
| Rigor score | |||||
| <9 | 9 | −0.15 (−0.26, −0.03) | 0.01 | 0 | 0.68 |
| 9 | 5 | −0.10 (−0.25, 0.06) | 0.23 | 0 | 0.55 |
| Sensitivity analyses | |||||
| Excluded Rotheram-Borus et al. [10], 2004 (telephone) | 13 | −0.13 (−0.23, −0.04) | 0.01 | 0 | 0.75 |
| Excluded Rotheram-Borus et al. [10], 2004 (in-person) | 13 | −0.12 (−0.21, −0.03) | 0.01 | 0 | 0.87 |
| Excluded Myers et al. [20], 2010 (MCP & PS) and (PS) | 13 | −0.11 (−0.22, −0.01) | 0.04 | 0 | 0.65 |
| Excluded Myers et al. [20], 2010 (MCP & PS) and (MCP) | 13 | −0.11 (−0.22, −0.01) | 0.04 | 0 | 0.65 |
| Excluded Myers et al. [20], 2010 (PS) and (MCP) | 13 | −0.11 (−0.22, −0.01) | 0.03 | 0 | 0.64 |
| Excluded Rosser et al. [22], 2010 (Man2Man) | 13 | −0.14 (−0.23, −0.05) | <0.01 | 0 | 0.77 |
| Excluded Rosser et al. [22], 2010 (PoSH) | 13 | −0.13 (−0.23, −0.04) | 0.01 | 0 | 0.71 |
1
UVAI: unprotected vaginal and/or anal intercourse; PLWHA: people living with HIV/AIDS; MSM: men who have sex with men; MCP: medical care provider; PS: prevention specialist; Man2Man: man to man sexual health seminar; PoSH: positive sexual health seminar.