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Table 4 Risk factors for oral HPV infection

From: Low concordance of oral and genital HPV infection among male patients with sexually transmitted infections in Vietnam

Factors Infections/cases Unadjusted OR (95% CI) P Adjusted OR (95% CI) P
Age
 Older age 16/198 1.05 (1.01–1.09) 0.02 1.05 (1.01–1.10) 0.02
Marital status
 No 2/75 1    
 Yes 14/123 4.69 (1.04–21.24) 0.05
Occupation
 Unstable or no job 2/53 1    
 Blue collar 4/47 2.37 (0.41–13.59) 0.33
 White collar 10/98 2.90 (0.611–13.75) 0.18
Education
 < College 6/84 1    
 ≥ College 10/114 1.25 (0.44–3.59) 0.68
Smoking
 No 9/123 1    
 Yes 7/75 1.30 (0.46–3.66) 0.61
Alcohol consumption
 No 1/24 1    
 Yes 15/174 2.17 (0.27–17.21) 0.46
Family member with cancer
 No 12/175 1   1  
 Yes 4/23 2.86 (0.84–9.76) 0.09 3.45 (0.97–12.29) 0.06
STI knowledge
 Yes 15/188 1    
 No 1/10 1.28 (0.15–10.81) 0.82
Circumcision
 No 9/139 1    
 Yes 7/59 1.94 (0.69–5.49) 0.21
Age at sexual debut
 Older age 16/198 1.11 (0.96–1.28) 0.18
Total number of sexual partners
 Higher number 16/198 1.00 (0.98–1.03) 0.83
Number of sexual partners in last 6 months
 Higher number 16/198 0.88 (0.64–1.23) 0.46
Female sex worker as a sexual partner in last 6 months
 No 16/164 1    
 Yes 0/34 NE (NE-NE) 1.00
Condom usage
 Rarely or Never 3/48 1    
 Sometimes 11/104 1.77 (0.47–6.68) 0.40
 Every time 2/46 0.68 (0.11–4.28) 0.68
STI history
 No 4/66 1    
 Yes 12/132 1.55 (0.48–5.01) 0.46
Urethritis
 No 1/27 1    
 Yes 15/171 2.50 (0.32–19.74) 0.39
Oral sex
 No 10/126 1    
 Yes 6/72 1.06 (0.37–3.03) 0.92
  1. STI sexually transmitted infection, OR odds ratio, CI confidence interval, NE not estimable, Dash (-) indicates not included in the last step of the stepwise binary logistic regression analysis