Table 3

 Behaviour change at follow-up

BeforeAfterp Value
NA, not available as numbers insufficient for robust analysis.
Number of sexual partnersN (%)N (%)
    ⩾2 in past 6 months66/401 (16.4)23/401 (5.8)<0.001
    ⩾2 in past 2 months23/401 (5.7)15/401 (3.7)<0.02
Unprotected sexual intercourseN (%)N (%)
    Any partner type230/242 (95)217/244 (89)0.021
    With primary partners195/207 (94)192/214 (90)0.152
    With non-primary partners44/44 (100)25/30 (83)NA
Episodes of sexual intercourse by partner type
    Primary partners(n = 207)(n = 217)
        All episodes
         Mean (SD)9.9 (10.1)12.2 (16.9)0.825
         SE0.71.2
         Median6.08.0
        Unprotected episodes0.001
         Mean (SD)10.3 (12.7)11.2 (14.3)
         SE0.91.0
         Median6.08.0
        Average rate of unprotected episodes (%)10092
    Non-primary partners(n = 44)(n = 30)
        All episodes
         Mean (SD)6.59 (12.64)6.9 (9.47)0.001
         SE1.91.7
         Median2.02.5
        Unprotected episodes0.002
         Mean6.14 (11.90)3.4 (4.6)
         SE1.790.84
         Median2.01.5
        Average rate of unprotected episodes (%)9349
Proportion reporting any STI symptoms159/401 (39.7%)61/401 (15.3%)<0.02