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Table 1 Univariate and multivariate analysis of demographic and sexual behaviour data, and their association with forced sex from the Carraguard™ trial in Durban

From: High risk sexual behaviors are associated with sexual violence among a cohort of women in Durban, South Africa

  N = 1,485 n (%) Univariate analysis OR (95% CI) p-value Multivariate analysis OR (95% CI) p-value
Age groups (years)      
<25 591 (39.80) 1   - -
25-29 234 (15.76) 1.32 (0.81,2.16) 0.262 1.39 (0.84, 2.30) 0.249
30+ 660 (44.44) 2.10 (1.48,2.96) <0.001 5.60 (2.37, 13.19) 0.000
Cohabitation status      
Never married 1,096 (73.80) 1   - -
Married 389 (26.20) 1.69 (1.23,2.33) 0.001 - -
Changed partner during the study      
No 1,336 (89.97) 1   - -
Yes 147 (10.03) 1.64 (1.06,2.56) 0.028 1.67 (1.04, 2.66) 0.032
Coital in last 2 weeks before the screening      
Less than 3 934 (62.90) 1   - -
3+ 551 (37.10) 1.65 (1.22,2.24) 0.001 1.38 (1.0, 1.90) 0.046
Ever had sex for cash      
No 1,444 (97.24) 1   - -
Yes 41 (2.76) 5.68 (3.00,10.73) <0.001 3.09 (1.46, 6.53) 0.003
Ever abused      
No 1,260 (86.54) 1   - -
Yes 196 (13.46) 4.53 (3.20,6.42) <0.001 - -
Partner circumcised      
No 1,135 (76.43) 1   - -
Yes 350 (23.57) 1.16 (0.82,1.64) 0.412 - -
Number of sexual partners, last 3 months      
1 1,374 (92.53) 1    
2 82 (5.52) 1.67 (0.93,3.00) 0.083 1.43 (0.77; 2.65) 0.249
3 plus 29 (1.95) 9.21 (4.35,19.49) <0.001 5.60 (2.37, 13.19) 0.000
Contraception used at screening      
No 453 (30.51) 1   - -
Yes 1,032 (69.49) 0.94 (0.68,1.31) 0.722 - -
Condom use (last sexual act) at baseline      
Yes 699 (47.07) 1   - -
No 786 (52.93) 1.67 (1.22,2.28) 0.001 - -
Unprotected anal sex in last 3 months      
No 1,402 (94.41) 1   - -
Yes 83 (5.59) 1.65 (0.94,2.92) 0.083 - -
Unprotected oral sex in last 3 months      
No 1,264 (85.12) 1   - -
Yes 221 (14.88) 1.26 (0.85,1.89) 0.253 - -
Condom use reported in%study visits after enrollment      
100% 334 (22.49) 1   - -
<100% 1,151 (77.51) 1.92 (1.25,2.94) 0.003 1.98 (1.27, 3.09) 0.003
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