Table 2 Estimated HIV-1 Incidence of HIV infection among 9,008 individuals (434 seropositive samples) screened in 3 VCTs of Rio de Janeiro Metropolitan area from November 2004 to October 2005 - conventional estimation and estimation with 2 corrective factors (CF).
Recent Infections | Estimate Incidencea %/year (95% CI) | Estimate Incidenceb %/year (95% CI) | Estimate Incidencec %/year (95% CI) | |
|---|---|---|---|---|
Overall = 434 | 61 | 1.68 (1.26 - 2.10) | 1.09 (1.32 - 1.87) | 1.17 (0.88 - 1.47) |
Gender | ||||
Female (191) | 30 | 1.40 (0.90 - 1.90) | 0.97 (0.62 - 1.31) | 1.04 (0.67 - 1.41) |
Male (243) | 31 | 2.10 (1.36 - 2.84) | 1.27 (0.82 - 1.72) | 1.37 (0.89 - 1.85) |
Exposure categories (among men) | ||||
Heterosexual (144) | 15 | 1.12 (0.55 - 1.68) | 0.56 (0.28 - 0.84) | 0.60 (0.30 - 0.91) |
MSM (99) | 16 | 11.96 (6.10 - 17.82) | 8.55 (4.36 - 12.74) | 9.17 (4.68 - 13.67) |
Age (years) | ||||
<25 (65) | 9 | 0.87 (0.30 - 1.44) | 0.56 (0.19 - 0.92) | 0.60 (0.21 - 0.99) |
25 to 40 (233) | 34 | 2.33 (1.55 - 3.12) | 1.55 (1.03 - 2.07) | 1.67 (1.11 - 2.23) |
>40 (136) | 18 | 1.59 (0.86 - 2.33) | 0.99 (0.53 - 1.45) | 1.07 (0.57 - 1.56) |