Table 2. HPV prevalence and Odds Ratio's for HPV prevalence among sexually active women using univariate analysis and logistic regression.
| n | HPV+ | p | OR | (95% C.I.) | p | |
| n (%)/Median (range) | ||||||
| Age (years) | 1947 | 25 (18–29) | <0.001∧ | 1.097 | (1.059;1.136) | <0.001 |
| Current smoking | 1936 | <0.001* | ||||
| No | 1536 | 274 (17.8%) | 0.551 | (0.428;0.711) | <0.001 | |
| Yes | 400 | 113 (28.3%) | 1 | (ref) | ||
| Using OCC | 1944 | 0.272* | ||||
| No | 528 | 114 (21.6%) | 1.148 | (0.898;1.467) | 0.272 | |
| Yes | 1416 | 274 (19.4%) | 1 | (ref) | ||
| Living with parents | 1934 | 0.022* | ||||
| No | 1619 | 398 (20.9%) | 1.468 | (1.055;2.041) | 0.023 | |
| Yes | 315 | 48 (15.2%) | 1 | (ref) | ||
| Relationship | 1935 | <0.001* | ||||
| Married | 125 | 7 (5.6%) | 0.216 | (0.099;0.471) | <0.001 | |
| Living together | 483 | 73 (15.1%) | 0.647 | (0.480;0.874) | 0.004 | |
| Single | 511 | 131 (25.6%) | 1.254 | (0.967;1.625) | 0.088 | |
| LAT¤ | 816 | 176 (21.6%) | 1 | (ref) | ||
| Age at first intercourse ** (years) | 1944 | 0.053* | ||||
| ≤13 | 45 | 13 (28.8%) | 1.517 | (0.719;3.204) | 0.274 | |
| 14–16 | 935 | 203 (21.7%) | 1.036 | (0.688;1.560) | 0.866 | |
| 17–19 | 803 | 139 (17.3%) | 0.782 | (0.514;1.190) | 0.251 | |
| ≥20 | 161 | 34 (21.1%) | 1 | (ref) | ||
| Lifetime sex partners (number) | 1938 | <0.001* | ||||
| 1 | 17 (4.2%) | 0.044 | (0.025;0.077) | <0.001 | ||
| 2–5 | 136 (14.7%) | 0.173 | (0.125;0.239) | <0.001 | ||
| 6–10 | 127 (32%) | 0.470 | (0.334;0.662) | <0.001 | ||
| >10 | 107 (50%) | 1 | (ref) | |||
| Gender of sex partner(s) | 1939 | <0.001* | ||||
| Male | 1829 | 349 (19.1) | 0.393 | (0.260;0.594) | <0.001 | |
| Female | 6 | 0 (0%) | 0.000 | (0.000; .) | 0.999 | |
| Both | 104 | 39 (37.5%) | 1 | (ref) | ||
| Sex partners in past 6 months (number) | 1939 | <0.001* | ||||
| 0 | 170 | 22 (12.9%) | 0.140 | (0.077;0.254) | <0.001 | |
| 1 | 1485 | 249 (16.8%) | 0.190 | (0.125;0.288) | <0.001 | |
| 2 | 188 | 66 (35.1%) | 0.509 | (0.310;0.835) | 0.008 | |
| >2 | 99 | 51 (51.1%) | 1 | (ref) | ||
| Sexual contact in past 6 months (frequency) | 1886 | <0.001* | ||||
| 0 | 146 | 19 (13%) | 0.461 | (0.274;0.775) | 0.003 | |
| 1–6 | 221 | 66 (29.9%) | 1.312 | (0.927;1.857) | 0.125 | |
| 7–24 | 239 | 47 (19.7%) | 0.754 | (0.519;1.096) | 0.139 | |
| 25–54 | 729 | 111 (15.2%) | 0.553 | (0.418;0.732) | <0.001 | |
| >54 | 551 | 135 (25.4%) | 1 | (ref) | ||
| Ever diagnosed a STI°? | 1940 | <0.001* | ||||
| No | 1755 | 315 (17.9%) | 0.355 | (0.257;0.488) | <0.001 | |
| Yes | 186 | 71 (38.2%) | 1 | (ref) | ||
| Condom use | 1938 | <0.001* | ||||
| Never (0%) | 924 | 142 (15.4%) | 1.005 | (0655;1.541) | 0.983 | |
| Sometimes (0–50%) | 499 | 134 (26.9%) | 2.031 | (1.313;3.143) | 0.001 | |
| Most of times (50–100%) | 318 | 82 (25.8%) | 1.923 | (1.210;3.055) | 0.006 | |
| Always (100%) | 197 | 30 (15.2%) | 1 | (ref) | ||
| Sexual Age (years)□ | 1943 | 8 (1–13) | <0.001∧ | 1.096 | (1.061;1.133) | <0.001 |
HPV+ if one or more genotypes are detected simultaneously.
Sample sizes change because of missing values of the questionnaire.
n = number.
95% C.I. Confidence Interval.
p: p-value.
∧
Mann Whitney.
*
by Chi-square test.
Ref: reference.
OCC oral contraceptives.
¤
Living apart together.
**
below the age of 10 years several cases of sexual abuse were reported.
°
STI, Sexually Transmitted Infection.
□
Sexual age in years with 0 and 1 combined as well as sexual age higher than 13.