Table 2 |
|||
| Multivariate analyses of the association between cervical human papillomavirus infection and selected subjects’ characteristics | |||
| No. of tested samples | Adjusted model1 | ||
| POR | 95% CI | ||
| Age group (years) | |||
| 18 | 308 | 1.7 | 1.1–3.1 |
| 19 | 339 | 2.2 | 1.4–3.7 |
| 20–21 | 452 | 2.1 | 1.3–3.4 |
| 22–25 | 471 | 1.9 | 1.2–3.2 |
| 26–35 | 319 | 1.1 | 0.7–1.9 |
| 26–45 | 326 | 0.7 | 0.4–1.2 |
| 46–55 | 486 | 0.8 | 0.5–1.3 |
| 56–65 | 454 | 1 | reference |
| P-value for trend | <0.001 | ||
| Residential area | |||
| Rural | 329 | 1 | reference |
| Suburban | 393 | 1.3 | 0.8–2.1 |
| Urban | 2428 | 1.5 | 1.0–2.2 |
| Unknown | 5 | - | - |
| P-value for trend | 0.03 | ||
| Country of birth | |||
| Spain | 2886 | 1 | reference |
| Other countries | 269 | 1.7 | 1.3–2.4 |
| Marital status | |||
| Married | 1158 | 1 | reference |
| Single | 1259 | 2.1 | 1.4–3.1 |
| Cohabiting | 549 | 1.8 | 1.2–2.6 |
| Divorced/Separated | 127 | 2.3 | 1.4–3.4 |
| Widowed | 62 | 3.7 | 1.7–7.7 |
| Level of education attainment | |||
| No formal education | 178 | 1 | reference |
| Primary completed | 648 | 0.9 | 0.5–1.5 |
| Secondary completed | 1286 | 0.9 | 0.5–1.4 |
| University or higher | 1040 | 0.7 | 0.4–1.1 |
| Unknown | 3 | - | - |
| P-value for trend | 0.02 | ||
| Tobacco smoking status | |||
| Never smoked | 1599 | 1 | reference |
| Ex-smoker | 439 | 1.0 | 0.7–1.3 |
| Current smoker | 1116 | 1.6 | 1.3–1.9 |
| Unknown | 1 | - | - |
| P-value for trend | <0.001 | ||
| Ever use of condoms | |||
| Never used | 650 | 1 | reference |
| Ex or current user | 2505 | 0.9 | 0.6–1.1 |
| Systematic condom use in last 12 months* | |||
| No | 1947 | 1 | reference |
| Yes | 1031 | 0.8 | 0.6–1.0 |
| Unknown | 12 | - | - |
| Lifetime number of sexual partners | |||
| 1 | 1560 | 1 | reference |
| 2 | 577 | 1.5 | 1.1–2.1 |
| 3 | 397 | 3.3 | 2.5–4.5 |
| ≥4 | 609 | 4.1 | 3.1–5.4 |
| Unknown | 12 | - | - |
| P-value for trend | <0.001 | ||
| Age at first sexual intercourse (years) | |||
| ≤14 | 125 | 0.5 | 0.2–1.2 |
| 15–16 | 685 | 0.6 | 0.3–1.2 |
| 17–18 | 1097 | 0.7 | 0.3–1.4 |
| 19–20 | 492 | 0.8 | 0.4–1.6 |
| 21–25 | 595 | 1.0 | 0.5–2.1 |
| ≥26 | 145 | 1 | reference |
| Unknown | 16 | - | - |
| P-value for trend | 0.003 | ||
| Current partner circumcised | |||
| No | 2366 | 1 | reference |
| Yes | 369 | 0.8 | 0.6–1.1 |
| Unknown | 420 | - | - |
| History of genital warts | |||
| No | 3061 | 1 | reference |
| Yes | 87 | 3.2 | 2.0–5.2 |
| Unknown | 7 | - | - |
POR, prevalence odds ratio; CI, confidence interval.
1Adjusted model: adjusted for age, Autonomous Community, country of birth, marital status, level of education, smoking habits, lifetime number of sexual partners, and history of genital warts.
*Among women with a sexual partner in the last 12 months.
Bold font indicates a significant effect (P < 0.05).
Roura et al. BMC Infectious Diseases 2012 12:145 doi:10.1186/1471-2334-12-145
