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Table 3 Univariate and multivariate analysis of self-reported genital warts in females

From: Self-reported genital warts among sexually-active university students: a cross-sectional study

Variables Number of subjects GWs OR Adj OR
N (%) (95% CI) (95% CI)
Age [continuous variable] 5517 76 (1.4) 1.06 (1.03–1.09) 1.10 (1.06–1.13)
Age at time of first sexual intercourse [continuous variable] 0.94 (0.78–1.12) 0.89 (0.77–1.02)
Sex partners in the last 24 months
  ≤ 1 4218 41 (1.0) reference
  ≥ 2 1299 35 (2.7) 2.82 (1.79–4.45) 1.92 (1.09–3.36)
Relationship
 exclusive 3187 41 (1.3) reference
 not exclusive 477 11 (2.3) 1.81 (0.92–3.55) 1.76 (0.81–3.82)
 single 1853 24 (1.3) 1.01 (0.49–2.07) 1.30 (0.72–2.35)
Sexual orientation
 heterosexual 5188 70 (1.3) reference
 homosexual 67 1 (1.5) 1.11 (0.15-8.09) 0.81 (0.11-6.19)
 bisexual 262 5 (1.9) 1.42 (0.16-12.4) 0.70 (0.24-2.02)
Positive history of sexually-transmitted infections
 no 5249 55 (1.0) reference
 yes 268 21 (7.8) 8.03 (4.79–13.5) 5.72 (3.23–10.1)
Vaccination status
 no 3486 63 (1.8) reference
 yes 2031 13 (0.6) 0.35 (0.19–0.64) 0.50 (0.26–0.96)
Condom use
 no 1547 32 (2.1) reference
 occasionally 922 21 (2.3) 1.10 (0.63–1.92) 0.93 (0.49–1.77)
 yes 2783 23 (0.8) 0.39 (0.22–0.72) 0.47 (0.25–0.91)
 not specified 265 0 (0.0)  
Smoking (reference: no)
 no 3878 45 (1.2) reference
 ex-smoker 399 8 (2.0) 1.74 (0.82–3.72) 0.92 (0.39-2.20)
 yes 1240 23 (1.9) 1.61 (0.71–3.63) 0.91 (0.51-1.62)
Alcohol intake
 no 1113 17 (1.5) reference
 occasionally 4312 55 (1.3) 0.83 (0.48–1.44) 1.04 (0.54–1.99)
 yes 92 4 (4.3) 2.93 (1.04–8.26) 1.35 (0.37–4.85)
Oral contraceptive use
 No 3577 28 (0.8) reference
 yes 1940 28 (1.4) 1.86 (1.1–3.14) 1.10 (0.63–1.92)