Table 3. Factors associated with incident HIV infection among women in Beira, Mozambique.
Bivariable Analysis | Multivariable Analysis | |||
Unadjusted HR (95% CI) | p-value | HR (95% CI) | p-value | |
Age | 0.9 (0.8, 1.1) | 0.389 | 0.9 (0.8, 1.1) | 0.307 |
Education | ||||
> = Grade 10 | 1.5 (0.6, 3.5) | 0.342 | _ | |
<Grade 10 | 1 | |||
Employment | ||||
Yes (part-time or full-time) | 0.8 (0.3, 2.1) | 0.708 | _ | |
No | 1 | |||
Self-identified engagement in transactional sex | ||||
Yes | 2.4 (0.9, 6.0) | 0.073 | 1.5 (0.5, 4.2) | 0.488 |
No | 1 | 1 | ||
More than two sex partners last month | ||||
Yes | 2.6 (1.1, 6.0) | 0.024 | 1.9 (0.7, 4.9) | 0.178 |
No | 1 | 1 | ||
Had new sex partner(s) last month | ||||
Yes | 2.4 (1.0, 5.6) | 0.039 | 2.0 (0.8, 5.0) | 0.136 |
No | 1 | 1 | ||
Sex with IDU, MSM, or engaged in sex work in the last month | ||||
Yes | 2.8 (0.4, 21.6) | 0.321 | _ | |
No | 1 | |||
Frequency of vaginal sex without condom in last 7 days with primary partner | 0.9 (0.7, 1.3) | 0.651 | _ | |
Frequency of vaginal sex without condom in last 7 days with other partner | 1.6 (1.1, 2.2) | 0.006 | 1.7 (1.2, 2.5) | 0.004 |
Baseline contraception | ||||
Pills/injectables | 1.0 (0.3, 3.2) | 0.974 | 1.2 (0.4, 4.0) | 0.763 |
Condoms | 2.0 (0.8, 5.3) | 0.143 | 2.1 (0.8, 5.6) | 0.129 |
Other1 | 12.5 (1.6, 99.1) | 0.017 | 25.3 (2.5, 253.5) | 0.006 |
Nothing | 1 | |||
Frequency of vaginal cleansing inside the vagina per month | ||||
31+ | 0.7 (0.1, 5.1) | 0.710 | _ | |
1–30 | 0.4 (0.0, 4.5) | 0.461 | ||
0 | 1 | |||
Frequency of vaginal insertions per month | ||||
1+ | 1.1 (0.4, 3.1) | 0.787 | _ | |
0 | 1 |
Includes hormonal implant (1), IUD (1), and other (8).