|
Person years |
no. of seroconverters |
Incidence per person year, % |
Adjusted IRR* |
95%CI |
|
p value |
Transactional sex with main partner during follow up |
|
|
|
|
|
|
|
none |
1750 |
102 |
5.8 |
1.00 |
|
|
|
any |
269 |
25 |
9.3 |
1.44 |
0.92 |
2.24 |
0.111 |
Transactional sex with a once off partner during follow up |
|
|
|
|
|
|
|
none |
2016 |
124 |
6.1 |
1.00 |
|
|
|
any |
13 |
3 |
23.7 |
3.29 |
1.02 |
10.55 |
0.046 |
Transactional sex with an on-going or casual partner during follow up |
|
|
|
|
|
|
|
none |
1919 |
110 |
5.7 |
1.00 |
|
|
|
any |
117 |
17 |
14.5 |
2.06 |
1.22 |
3.48 |
0.007 |
2+ partners during follow up |
|
|
|
|
|
|
|
none |
1243.0 |
61 |
4.9 |
1.00 |
|
|
|
any |
793.0 |
66 |
8.3 |
1.37 |
0.96 |
1.98 |
0.086 |
Partner 5+ years older during follow up** |
|
|
|
|
|
|
|
none |
660.0 |
54 |
8.2 |
1.00 |
|
|
|
any |
1376.0 |
73 |
5.3 |
0.73 |
0.50 |
1.05 |
0.085 |
Transactional sex and multiple partners during follow up : neither |
1241.0 |
61 |
4.9 |
1.00 |
|
|
|
2+ partners, no transactional sex with a casual partner |
678.0 |
49 |
7.2 |
1.20 |
0.81 |
1.77 |
0.368 |
Transactional sex with a casual partner and 2+ partners |
117.0 |
17 |
14.5 |
2.23 |
1.28 |
3.88 |
0.005 |
** additionally adjusted for having transactional sex with a casual partner
* Poisson models adjusted for age, HSV2, relationship power, condom use, IPV exposure, treatment, stratum and person years of exposure
|