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Table 3 Univariate cox proportional hazards regression analysis for incident HR-HPV among women in monogamous relationships in the Costa Rican Vaccine Trial

From: A prospective study of absolute risk and determinants of human papillomavirus incidence among young women in Costa Rica

  Total Positive for one or more new HR-HPV types
Woman characteristics N Col (%) N % HR (95% CI)
Age of Sex Partner (years) 16-24 542 43.8 268 49.5 1.4 (1.1 – 1.8)
25-30 483 39.1 207 42.9 1.1 (0.9 – 1.5)
>30 212 17.1 80 37.7 Ref
Number of Other Women Sex Partner has had Sex with 2+ 467 47.6 228 48.8 1.2 (1.0 – 1.6)
1 271 27.6 109 40.2 1.0 (0.7 – 1.3)
0 243 24.8 104 42.8 Ref
Lives with Sex Partner No 458 36.9 270 59.0 2.1 (1.8 – 2.5)
Yes 784 63.1 288 36.7 Ref
Partner is Circumcised Yes 604 52.9 267 44.2 1.0 (0.9 – 1.2)
No 538 47.1 241 44.8 Ref
Sex Partner Ever Smoke Yes 355 28.6 188 53.0 1.3 (1.1 – 1.6)
No 886 71.4 370 41.8 Ref