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Table 2 Univariate and multivariate analysis of self-reported genital warts in males

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] 3742 48 (1.3) 1.10 (1.07–1.13) 1.05 (1.01–1.09)
Age at time of first sexual intercourse [continuous variable] 0.88 (0.76–1.02) 0.96 (0.81–1.13)
Sex partners in the last 24 months
  ≤ 1 2579 14 (0.5) reference
  ≥ 2 1163 34 (2.9) 5.52 (2.95–10.3) 3.58 (1.63–7.88)
Relationship
 exclusive 1497 22 (1.5) reference
 not exclusive 506 11 (2.2) 1.49 (0.72–3.09) 0.97 (0.40–2.36)
 single 1739 15 (0.9) 0.58 (0.27–1.28) 0.69 (0.30–1.55)
Sexual orientation
 heterosexual 3535 31 (0.9) reference
 homosexual 112 10 (8.9) 11.0 (5.30-23.1) 8.88 (3.70-21.3)
 bisexual 95 7 (7.4) 8.99 (3.3-24.5) 5.16 (1.88-14.1)
Positive history of sexually-transmitted infections
 no 3627 32 (0.9) reference
 yes 115 16 (13.9) 18.1 (9.69–34.0) 8.20 (3.95–17.0)
Vaccination status
 no 3693 47 (1.3) reference
 yes 49 1 (2.0) 1.62 (0.22–11.9) 1.87 (0.21–16.4)
Condom use
 no 594 17 (2.9) reference
 occasionally 647 13 (2.0) 0.70 (0.34–1.45) 0.69 (0.30–1.60)
 yes 2318 18 (0.8) 0.27 (0.13–0.55) 0.40 (0.18–0.88)
 not specified 183 0 (0.0)  
Smoking (reference: no)
 no 2479 12 (0.5) reference
 ex-smoker 366 13 (3.6) 7.57 (3.43–16.7) 6.11 (2.47–15.1)
 yes 897 23 (2.6) 5.41 (2.71–10.8) 4.60 (2.05–10.3)
Alcohol intake
 no 491 12 (2.4) reference
 occasionally 3030 30 (1.0) 0.40 (0.20–0.78) 0.30 (0.13–0.69)
 yes 221 6 (2.7) 1.11 (0.46–2.70) 0.35 (0.11–1.11)