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Table 3 HPV prevalence by socio-behavioral characteristics: univariate analysis.

From: Human papillomavirus infection and risk factors in a cohort of Tuscan women aged 18-24: results at recruitment

Characteristics No. HPV positive n (%) Crude OR (95% CI) P
Condom use     0.01
Never used 262 75 (28.6) 1.00  
Used sometimes 305 83 (27.2) 0.93 (0.64-1.34)  
Used most of the time 245 52 (21.2) 0.67 (0.44-1.00)  
Always used 238 40 (16.8) 0.50 (0.33-0.77)  
Missing 16 3 (18.8) 0.57 (0.16-2.07)  
Age at the first intercourse     0.01
≤ 17 years old 697 182 (26.1) 1.00  
> 17 years old 369 71 (19.2) 0.67 (0.49-0.91)  
Number of partners the last three years     <0.0001
1 532 52 (9.8) 1.00  
2 - 4 421 141 (33.5) 4.65 (3.27-6.60)  
≥ 5 86 49 (56.9) 12.22 (7.31-20.43)  
Missing 27 11 (40.7) 6.34 (2.79-14.39)  
Total number of partners     <0.0001
1 347 26 (7.5) 1.00  
2 - 4 474 116 (24.5) 4.00 (2.54-6.28)  
≥ 5 210 97 (46.2) 10.59 (6.53-17.17)  
Missing 35 14 (40.0) 8.23 (3.75-18.05)  
Lifetime number of partner's partners     <0.0001
1 263 12 (4.5) 1.00  
2 - 4 218 41 (18.8) 4.84 (2.47-9.48)  
≥ 5 119 41 (34.4) 10.99 (5.50-21.95)  
Missing 466 159 (34.1) 10.83 (5.88-19.93)  
Smoking     <0.0001
No 639 116 (18.1) 1.00  
Yes 422 137 (32.5) 2.16 (1.62-2.88)  
Missing 5 0 (0.0)   
No. of cigarettes     <0.0001
0 639 116 (18.1) 1.00  
1 - 10 337 101 (29.9) 1.92 (1.41-2.62)  
> 10 73 35 (47.9) 4.15 (2.51-6.85)  
Missing 17 1 (5.8) 0.28 (0.03-2.14)  
Oral contraceptives (current use)     0.83
No 577 141 (24.5) 1.00  
Yes 481 110 (22.9) 0.91 (0.68-1.21)  
Missing 8 2 (25.0) 1.03 (0.20-5.16)  
Pregnancies prior     0.04
Yes 78 26 (33.3) 1.00  
No 974 226 (23.2) 0.60 (0.36-0.99)  
Missing 14 1 (7.1) 0.15 (0.01-1.24)  
Genital disease     0.002
Yes 285 89 (31.2) 1.00  
No 773 162 (20.9) 0.58 (0.43-0.79)  
Missing 8 2 (25.0) 0.73 (0.14-3.70)  
Partner's genital disease     0.27
Yes 54 16 (29.6) 1.00  
No 1000 236 (23.6) 0.73 (0.40-1.33)  
Missing 12 1 (8.3) 0.21 (0.02-1.81)  
Education     0.07
University 94 22 (23.4) 1.00  
High school 815 181 (22.2) 0.93 (0.56-1.54)  
Middle school 132 41 (31.06) 1.47 (0.80-2.69)  
Missing 25 9 (36.0) 1.84 (0.71-4.74)  
Total 1066 253 (23.7)