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. 2008 Aug 7;337:a506. doi: 10.1136/bmj.a506

Table 3.

 Incidence of HIV and HSV-2 according to intervention

Stepping Stones Control P value for homogeneity Adjusted* incidence rate ratio (95% CI) P value Coefficient of variation
No of events Rate/100 person years No of events Rate/100 person years
HIV
Overall 72 3.46 81 4.07 0.56 0.95 (0.67 to 1.35) 0.78 1.02
Women 57 5.65 68 6.95 0.81
Men 15 1.40 13 1.29 1.60
HSV-2
Overall 57 3.24 75 4.62 0.91 0.67 (0.47 to 0.97) 0.036 1.13
Women 43 5.35 57 7.71 0.93
Men 14 1.46 18 2.04 1.58

*Adjusted for stratum, sex, participant’s age, and baseline cluster prevalence of HIV or HSV-2, respectively.