Table 1

Self reported STD incidence by HIV serostatus

HIV serostatusNoNo of STD episodes reported in follow upIncidence/100 PY (95% CI)Incidence rate ratio (IRR) (95% CI)p Value
All STDs:
HIV positive at enrolment 66615814.5 (12.3–16.9)2.8 (2.3–3.5)<0.001
Seroconverters 147 6716.8 (13.0–21.4)3.3 (2.5–4.3)<0.001
Non-seroconverters2476257 5.1 (4.5–5.7)Referent
Total3289482 7.4 (6.7–8.1)
Genital ulcers:
HIV positive at enrolment 666 75 6.9 (5.4–8.6)4.1 (3.0–5.7)<0.001
Seroconverters 147 34 8.5 (5.9–11.9)5.1 (3.3–7.7)<0.001
Non-seroconverters2476 84 1.7 (1.3–2.1)Referent
Total3289193 2.9 (2.5–3.4)
Urethral discharge:
HIV positive at enrolment 666 39 3.6 (2.5–4.9)2.2 (1.5–3.4)<0.001
Seroconverters 147 18 4.5 (2.7–7.1)2.8 (1.6–4.8)<0.001
Non-seroconverters2476 80 1.6 (1.2–2.0)Referent
Total3289137 2.1 (1.8–2.5)