From: A prospective study of age trends of high-risk human papillomavirus infection in rural China
Age-group | Risk factors* | HPV positive, n (%) | Multivariate |
---|---|---|---|
 |  |  | OR (95% CI) |
25-40 (n = 2587) | Household income (Yuan) § | p = 0.023 | |
≤3000 | 91 (11.2) | 1.0 | |
3001-5000 | 79 (10.1) | 0.96 (0.69-1.34) | |
≥5001 | 125 (12.7) | 1.41 (1.04-1.92) | |
Marital status |  | p = 0.007 | |
Married | 289 (11.3) | 1.0 | |
Others | 7 (29.2) | 3.48 (1.40-8.66) | |
Age at first menstruation period (years) § | p = 0.027 | ||
≤14 | 140 (10.5) | 1.0 | |
15-16 | 110 (11.6) | 1.06 (0.80-1.40) | |
≥17 | 46 (15.3) | 1.65 (1.14-2.40) | |
Age at first pregnancy (years) § | p = 0.004 | ||
≤20 | 97 (14.5) | 1.0 | |
21-23 | 136 (11.0) | 0.77 (0.57-1.03) | |
≥24 | 55 (8.5) | 0.54 (0.38-0.78) | |
41-48 (n = 2530) | Age at first sexual intercourse (years) § |  | p < 0.001 |
≤19 | 74 (21.1) | 1.0 | |
20-22 | 173 (10.9) | 0.49 (0.35-0.67) | |
≥23 | 66 (11.2) | 0.52 (0.36-0.77) | |
49-65 (n = 2280) | No. of lifetime sex partners § |  | p = 0.006 |
1 | 306 (15.0) | 1.0 | |
≥2 | 54 (22.0) | 1.58 (1.14-2.20) | |
Menopausal status § |  | p = 0.008 | |
No | 48 (11.3) | 1.0 | |
Yes | 311 (16.8) | 1.55 (1.12-2.15) |