Variable | n | HSV-2 seroconversion | Incidence Risk ratio (IRR) (95%CI) | P value |
---|---|---|---|---|
Total | 173 | 20 (11.7) | Â | Â |
Age group | Â | Â | Â | Â |
   <20 yrs | 40 | 6(15.0%) | Referent |  |
   20-24 yrs | 81 | 10(12.4%) | 0.8(0.3-12.1) | 0.685 |
   25-29 yrs | 29 | 1(3.5%) | 0.2(0.0-1.8) | 0.164 |
   30-34 yrs | 13 | 2 (15.4%) | 1.0(0.2-4.5) | 0.973 |
   >34 yrs | 10 | 1(10.0%) | 0.7(0.1-5.0) | 0.692 |
Marital status* | Â | Â | Â | Â |
   Single | 5 | 0 | Referent |  |
   Married | 167 | 20(12.0%) | Incalculable | 1.000** |
Polygamy | Â | Â | Â | Â |
   No | 160 | 16(10.0%) | Referent |  |
   Yes | 9 | 4(44.4%) | 4.4(1.9-10.6) | 0.001** |
Educational level | Â | Â | Â | Â |
   >Primary school | 149 | 17(11.4%) | Referent |  |
   = <Primary school | 24 | 3(12.5%) | 1.1(0.3-3.5) | 0.877** |
Age at sexual debut (years)* | Â | Â | Â | Â |
   >16 years | 153 | 14 (9.2%) | Referent |  |
   ≤16 years | 18 | 6 (33.3%) | 3.6(1.6-8.3) | 0.002 |
Abstain from sex during pregnancy* | Â | Â | Â | Â |
   Yes | 40 | 4 (10.0%) | Referent |  |
   No | 131 | 16 (12.2%) | 1.2 (0.4-3.5%) | 0.706** |
Resumed sex after delivery* | Â | Â | Â | Â |
   Six weeks after birth |  |  |  |  |
No | 88 | 11(12.6%) | Referent | Â |
Yes | 40 | 6 (15.0%) | 1.2 (0.5-3.0) | 0.699 |
   Four months after birth |  |  |  |  |
No | 10 | 1 (10.0%) | Referent | Â |
Yes | 74 | 10 (13.5%) | 1.4 (0.2-9.6) | 0.763** |
   Nine months after birth |  |  |  |  |
No | 12 | 0 (0) | Referent | Â |
Yes | 131 | 12 (9.2) | Incalculable | 0.273** |
Cleanse the vagina* | Â | Â | Â | Â |
   No | 7 | 0 (0) | Referent |  |
   Yes | 166 | 20 (12.1) | Incalculable | 0.329** |
Ever used intravaginal herbs* | Â | Â | Â | Â |
   No | 147 | 16 (10.9%) | Referent |  |
   Yes | 25 | 4 (16.0%) | 1.5 (0.5-4.0) | 0.461** |
Clinical genital ulcer* | Â | Â | Â | Â |
   No | 151 | 18 (11.3%) | Referent |  |
   Yes | 2 | 0 | Incalculable | 0.615** |
Clinical genital warts* | Â | Â | Â | Â |
   No | 146 | 15 (10.4%) | Referent |  |
   Yes | 9 | 2 (22.2%) | 2.2 (0.6-8.1) | 0.251** |