Table 2

Determinants of HR-HPV prevalence: univariate (OR crude) and multivariate (OR adj) logistic regression analysis
Characteristics HR-HPV positivity Univariate analysis Multivariate model**
n/N (%) OR crude 95%CI OR adj 95%CI
Age Group 18-24 years 119/597 (19.9) 1 -
25-26 years 86/496 (17.3) 0.84 (0.62 – 1.14)
Geographical area of residence Centre 44/235 (18.8) 1 -
North 86/445 (19.3) 1.03 (0.69 – 1.55)
South 75/414 (18.1) 0.95 (0.63 – 1.44)
Nationality Foreign 13/69 (18.8) 1 -
Italian 192/1023 (18.7) 0.99 (0.53 – 1.86)
Educational level Low (≤8 years) 39/216 (18.1) 1 -
High (>8 years) 166/874 (19.0) 1.06 (0.72 – 1.56)
Employment status Student 79/455 (17.4) 1 -
Employed 80/415 (19.3) 1.14 (0.80 – 1.60)
Other 45/214 (21.0) 1.27 (0.84 – 1.91)
Marital status Single 197/974 (20.2) 1 -
Married 8/113 (7.1) 0.30 (0.14 – 0.63)
Lives with Parents/friends/alone 182/904 (20.1) 1 - 1 -
Partner 22/185 (11.9) 0.53 (0.33 – 0.86) 0.56 (0.34 - 0.92)
Mean age at first sexual intercourse (years) * 17.2 0.92 (0.85 – 0.99)
Parity 0 195/988 (19.7) 1 -
≥ 1 child 10/105 (9.5) 0.43 (0.22 – 0.84)
Mean age at first delivery (years) * 21.8 1.01 (0.78 – 1.30)
No. of lifetime partners 1 25/377 (6.3) 1 - 1 -
2-4 118/558 (21.1) 3.78 (2.40 – 5.94) 4.15 (2.56 – 6.72)
≥5 62/156 (39.7) 9.29 (5.54 – 15.57) 10.63 (6.16 – 18.36)
No. of partners in the last 6 months 0-1 181/1031 (17.6) 1 -
≥2 24/62 (38.7) 2.96 (1.73 – 5.07)
Use of contraceptives in the last 6 months No 35/261 (13.4) 1 - 1 -
Yes 159/762 (20.9) 1.70 (1.14 – 2.53) 1.67 (1.09 – 2.54)
Use of condoms in the last 6 months Always 68/346 (19.7) 1 -
Rarely 65/307 (21.2) 1.10 (0.75 – 1.60)
Never 61/367 (16.6) 0.81 (0.56 – 1.19)
Previous Pap-test No 135/671 (20.1) 1 -
Yes 70/420 (16.7) 0.79 (0.58 – 1.09)

*mean.

**The following variables have been included in the multivariate model: marital status, living with, mean age at first sexual intercourse, mean age at first delivery, parity, number of lifetime partners, number of partners in the last 6 months, use of contraceptives in the last 6 months.

Giambi et al.

Giambi et al. BMC Infectious Diseases 2013 13:74   doi:10.1186/1471-2334-13-74

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