Age (years) |
| 18–24 | 141 | 17.7 | 1 | |
| 25–34 | 183 | 25.1 | 1.6 | 0.9 to 2.7 |
| 35–44 | 195 | 47.7 | 4.2 | 2.5 to 7.1 |
| 45–54 | 193 | 53.9 | 5.4 | 3.2 to 9.1 |
| 55–64 | 194 | 55.2 | 5.7 | 3.4 to 9.6 |
| 65+ | 97 | 58.8 | 6.6 | 3.7 to 11.9 |
| | | | Trend p<0.001 | |
No of lifetime sexual partners |
| 1 | 543 | 28.2 | 1 | |
| 2–3 | 356 | 56.5 | 3.3 | 2.5 to 4.4 |
| 4+ | 104 | 75.0 | 7.6 | 4.7 to 12.4 |
| | | | Trend p<0.001 | |
Education |
| None | 116 | 61.2 | 1 | |
| Primary | 592 | 44.6 | 0.5 | 0.3 to 0.8 |
| Lower secondary | 109 | 29.4 | 0.3 | 0.2 to 0.5 |
| Upper secondary | 73 | 34.2 | 0.3 | 0.2 to 0.6 |
| Post secondary | 113 | 35.4 | 0.4 | 0.2 to 0.6 |
| | | | Trend p<0.001 | |
Marital status |
| Married | 732 | 39.8 | 1 | |
| Separated/divorced | 71 | 63.4 | 2.6 | 1.6 to 4.3 |
| Widowed | 60 | 55.0 | 1.8 | 1.1 to 3.1 |
| Single | 140 | 45.0 | 1.2 | 0.9 to 1.8 |
Smoking |
| Never | 875 | 40.5 | 1 | |
| Former | 78 | 59.0 | 2.1 | 1.3 to 3.4 |
| Current | 50 | 64.0 | 2.6 | 1.4 to 4.7 |
| | | | Trend p<0.001 | |
Socioeconomic status† |
| Low | 146 | 49.3 | 1 | |
| Intermediate | 168 | 37.5 | 0.6 | 0.4 to 1.0 |
| High | 688 | 43.2 | 0.8 | 0.5 to 1.1 |
| | | | Trend p = 0.108 | |
Age at first intercourse (years) |
| 17 | 668 | 38.5 | 1 | |
| 16 | 335 | 52.2 | 1.7 | 1.3 to 2.3 |
Number of live births |
| 0–2 | 293 | 35.2 | 1 | |
| 3–4 | 253 | 43.9 | 1.4 | 1.0 to 2.0 |
| 5–7 | 246 | 50.8 | 1.9 | 1.3 to 2.7 |
| 8+ | 152 | 54.6 | 2.2 | 1.5 to 3.3 |
| | | | Trend p<0.001 | |
Abortion |
| Never | 637 | 40.0 | 1 | |
| Ever | 307 | 54.4 | 1.8 | 1.4 to 2.4 |
Cytology |
| Never | 150 | 37.3 | 1 | |
| Ever | 852 | 44.0 | 1.3 | 0.9 to 1.9 |
Hysterectomy† |
| Never | 335 | 51.9 | 1 | |
| Ever | 85 | 62.4 | 1.5 | 0.9 to 2.5 |
Vaginal pH |
| 4 | 28 | 32.1 | 1 | |
| 4.5 | 538 | 37.6 | 1.3 | 0.6 to 2.9 |
| 5 | 261 | 53.3 | 2.4 | 1.0 to 5.5 |
| 5.5 | 145 | 46.9 | 1.9 | 0.8 to 4.4 |
| | | | Trend p<0.001 | |
HPV 16, 18, or 31 serological status |
| Negative | 518 | 35.9 | 1 | |
| Positive | 485 | 50.7 | 1.8 | 1.4 to 2.4 |
Oral/injectable contraceptive use |
| Never | 448 | 46.9 | 1 | |
| Former | 416 | 42.6 | 0.9 | 0.6 to 1.1 |
| Current | 139 | 32.4 | 0.5 | 0.4 to 0.8 |
| | | | Trend p = 0.01 | |
HPV DNA‡ |
| Negative | 755 | 42.0 | 1 | |
| Positive | 214 | 46.3 | 1.2 | 0.9 to 1.6 |
Barrier method use |
| Never | 619 | 50.1 | 1 | |
| Former | 285 | 34.0 | 0.5 | 0.4 to 0.7 |
| Current | 99 | 25.2 | 0.3 | 0.2 to 0.5 |
| | | | Trend p<0.001 | |