Document Classification

Section Type: RESULTS

Text: Compared with group C, the incidence rate ratio of HIV-1 was 0. 94 (0. 60-1. 45, p = 0. 72) in group A and 1. 00 (0. 63-1. 58, p = 0. 98) in group B, and the prevalence ratio of use of condoms with last casual partner was 1. 12 (95 % CI 0. 99-1. 25) in group A and 1. 27 (1. 02-1. 56) in group B. Incidence of HSV2 was lower in group A than in group C (incidence rate ratio 0. 65, 0. 53-0. 80) and incidence of active syphilis for high rapid plasma reagent test titre and prevalence of gonorrhoea were both lower in group B than in group C (active syphilis incidence rate ratio, 0. 52, 0. 27-0. 98 ; gonorrhoea prevalence ratio, 0. 25, 0. 10-0. 64).