Table 3.
Distribution of Subjects in Each Period of Risk Behavior Initiationa
| Risk factor group | ||||||||
|---|---|---|---|---|---|---|---|---|
| Period | IDU n (%) | Heterosexual n (%) | Mix n (%) | MSM n (%) | MTCT n (%) | Tattoo n (%) | Transfusion n (%) | Total |
| <1991 | 2 (13.3) | 9 (60.0) | 0 (0.0) | 2b (13.3) | 0 (0.0) | 1 (6.7) | 1 (6.7) | 15 |
| 1991–1995 | 11 (61.1) | 3 (16.7) | 3 (16.7) | 0 (0.0) | 0 (0.0) | 1 (5.6) | 0 (0.0) | 18 |
| 1996–2000 | 66c (61.1) | 24d (22.2) | 18 (16.7) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 108 |
| 2001–2005 | 10 (22.2) | 24e (53.3) | 4 (8.9) | 2 (4.4) | 4 (8.9) | 1 (2.2) | 0 (0.0) | 45 |
| >2005 | 0 (0.0) | 8f (100) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 0 (0.0) | 8 |
a
IDU, injecting drug use; Heterosexual, heterosexual transmission; Mix, subjects with both IDU and heterosexual risk factors; MSM, Male having sex with male; MTCT, Mother-to-child transmission; Transfusion, blood transfusion.
b
These include one subject infected with HIV-1 subtype B.
c
These include two subjects infected with HIV-1 subtype B, with 97% (64 of 66) male subjects.
d
These include 45.8% (11 of 24) female subjects.
e
These include 70.8% (17 of 24) female subjects.
f
These include 87.5% (7 of 8) female subjects.