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Table 3 Results of univariate logistic regression analysis of risk factors for HPV infection in FSWs

From: Human papillomavirus infection and cervical dysplasia in female sex workers in Northeast China: an observational study

Category HPV (+) HPV (-) Odds ratio (95 % CI) P
Marital status     
 Single 29 28 1  
 Married 55 63 0.84 (0.45–1.59) 0.39
 Widowed 7 4 1.69 (0.45–6.41) 0.49
 Divorced 54 69 0.76 (0.40–1.42) 0.10
Education     
 ≤Middle school 110 132 1  
 ≥High school 35 32 1.31 (0.76–2.26) 0.10
Active smoking     
 No 100 110 1  
 Yes 45 54 0.92 (0.57–1.48) 0.76
Second hand smoking     
 No 76 76 1  
 Yes 69 88 0.78 (0.50–1.23) 0.25
Number of abortion     
 ≤3 130 136 1  
 >3 15 28 0.56 (0.29–1.10) 0.11
Sexual disease history     
 No 137 148 1  
 Yes 8 16 0.54 (0.22–1.30) 0.19
Condom use     
 No 29 34 1  
 Yes 116 130 1.05 (0.60–1.82) 0.73
Contraception pills     
 No 109 121 1  
 Yes 36 43 0.93 (0.56–1.55) 0.84
Age of first period (years)     
 ≤13 28 32 1 0.97
 14–15 58 69 0.96 (0.52–1.78) 0.96
 16–17 43 43 1.14 (0.59–2.21) 0.77
 ≥18 16 20 0.91 (0.40–2.10) 0.73
Age of 1st sexual intercourse     
 ≤20 years 85 72 1 0.00
 21–23 years 47 80 0.40 (0.24–0.67) 0.12
 ≥24 years 13 12 0.99 (0.53–1.85) 0.81
Time as a sex worker     
 <1 year 114 127 1  
 ≥1 year 31 37 0.93 (0.54–1.60) 0.93
Use of vaginal medications     
 No 92 102 1  
 Yes 53 62 0.95 (0.60–1.50) 0.82
Regular Ob/Gyn exams     
 No 95 115 1  
 Yes 50 49 1.24 (0.77–1.99) 0.46
Menopause     
 No 131 156 1  
 Yes 14 8 0.85–5.12 0.11