Table 3 Adjusted and unadjusted relative risk for acquisition of HIV among pregnant women.
Variable | No. tested | No. HIV positive (%) | Unadjusted RR (95% CI) | Adjusted RR (95% CI) |
|---|---|---|---|---|
Age of participant in years | Â | Â | Â | Â |
   35-42 | 17 | 1(5.8) | Reference | Reference |
   30-34 | 42 | 2(4.8) | 0.8(0.1-8.4) | 1.0(0.1-9.9) |
   25-29 | 101 | 6(5.9) | 1.0(0.1-7.9) | 0.9(0.1-8.6) |
   20-24 | 184 | 15(8.2) | 1.4(0.2-9.9) | 1.1(0.1-9.2) |
   15-19 | 98 | 15(15.3) | 2.6(0.4-18.5) | 2.2(0.3-18.2) |
Marital status | Â | Â | Â | Â |
   Married | 428 | 36(8.4) | Referent | Referent |
   Single | 13 | 3(23.1) | 0.3(0.1-1.2) | 0.4(0.1-1.7) |
Polygamous marriage | Â | Â | Â | Â |
   No | 396 | 30(7.6) | Referent | Referent |
   Yes | 29 | 5(17.2) | 2.3(0.9-5.9) | 2.6(0.8-8.5) |
Have you been sexually abused? | Â | Â | Â | Â |
   No | 418 | 34(8.1) | Referent | Referent |
   Yes | 22 | 4(8.2) | 2.2(0.8-6.3) | 3.1(1.2-8.0) |
Education level of participant. | Â | Â | Â | Â |
   >primary | 375 | 28(7.5) | Referent | Referent |
   <primary | 69 | 11(15.9) | 2.1(1.1-4.3) | 2.5(1.1-5.3) |
Is partner a frequent traveler? | Â | Â | Â | Â |
   No | 252 | 17(6.7) | Referent | Referent |
   Yes | 174 | 18(10.3) | 1.5(0.8-3.0) | 0.9(0.4-2.0) |
Ever used intravaginal herbs? | Â | Â | Â | Â |
   No | 380 | 33(8.7) | Referent | Referent |
   Yes | 61 | 5(8.2) | 0.9(0.4-2.4) | 0.7(0.2-2.3) |
Age at sexual debut | Â | Â | Â | Â |
   ≥16 | 131 | 6(4.6) | Referent | Referent |
   <16 | 308 | 33(10.7) | 2.3(1.0-5.6) | 1.9(0.5-7.6) |
Used condom at sexual debut? | Â | Â | Â | Â |
   Yes | 45 | 6(13.3) | Referent | Referent |
   No | 393 | 32(8.1) | 1.6(0.7-3.9) | 1.5(0.5-4.7) |
Ever used a condom? | Â | Â | Â | Â |
   No | 246 | 22(8.9) | Referent | Referent |
   Yes | 191 | 17(8.9) | 1.0(0.5-1.9) | 1.2(0.5-3.1) |
Casual partners in past 12 months | Â | Â | Â | Â |
   No | 433 | 36(8.3) | Referent | Referent |
   Yes | 9 | 2(22.2) | 2.7(0.6-11.1) | 2.0(0.6-7.0) |
No. of lifetime sexual partners | Â | Â | Â | Â |
   <2 | 350 | 25(7.1) | Referent | Referent |
   ≥2 | 93 | 14(15.0) | 2.1(1.1-4.1) | 0.8(0.3-2.2) |
Siblings have same father? | Â | Â | Â | Â |
   Yes | 370 | 27(7.3) | Referent | Referent |
   No | 45 | 9(20.0) | 2.7(1.3-5.8) | 1.8(0.6-4.9) |
Do you have genital itching? | Â | Â | Â | Â |
   No | 291 | 20(6.9) | Referent | Referent |
   Yes | 151 | 19812.6) | 1.8(1.0-3.4) | 0.8(0.4-2.0) |
Laboratory-diagnosed syphilis | Â | Â | Â | Â |
   Negative | 403 | 35(8.7) | Referent | Referent |
   Positive | 2 | 1(50.0) | 5.8(0.8-42.0) | 8.5(1.4-50.4) |
Clinical genital warts | Â | Â | Â | Â |
   Absent | 381 | 33(8.7) | Referent | Referent |
   Present | 18 | 4(22.2) | 2.7(0.9-7.2) | 1.2(0.9-1.5) |