Table 3.
Risk factors of high-risk human papilloma virus (HPV) infection in patients with inflammatory bowel disease (IBD)
| HPV- negative (N = 86) | HPV- positive (N = 12) | P-value | |
|---|---|---|---|
| Education, n (%) | |||
| Uneducated | 2 (2.3) | 0 (0.0) | 0.59 |
| No high-school degree | 9 (10.5) | 2 (16.7) | |
| Junior high school | 16 (18.6) | 6 (50.0) | |
| Senior high-school graduate | 31 (36.0) | 3 (25.0) | |
| College degree | 25 (29.1) | 1 (8.3) | |
| Postgraduate degree | 3 (3.5) | 0 (0.0) | |
| Annual income per person, n (%) | |||
| ≤60 000 RMB | 56 (65.1) | 6 (50.0) | 0.39 |
| 60 000–150 000 RMB | 28 (32.6) | 5 (41.7) | |
| >150 000 RMB | 2 (2.3) | 1 (8.3) | |
| Age of first coitus, n (%) | |||
| ≤20 years | 12 (14.0) | 3 (25.0) | 0.46 |
| 21–25 years | 49 (57.0) | 6 (50.0) | |
| 26–30 years | 23 (26.7) | 2 (16.7) | |
| >30 years | 2 (2.3) | 1 (8.3) | |
| Age of first delivery, n (%) | |||
| No delivery | 0 (0.0) | 5 (41.7) | |
| ≤20 years | 12 (14.0) | 1 (8.3) | 0.13 |
| 21–25 years | 49 (57.0) | 2 (16.7) | |
| 26–30 years | 23 (26.7) | 4 (33.3) | |
| >30 years | 2 (2.3) | 0 (0.0) | |
| Number of reproductions, n (%) | |||
| 0 | 44 (51.2) | 5 (41.7) | 0.20 |
| 1 | 32 (37.2) | 6 (50.0) | |
| 2 | 7 (8.1) | 1 (8.3) | |
| 3 | 2 (2.3) | 0 (0.0) | |
| ≥4 | 1 (1.2) | 0 (0.0) | |
| Number of abortions, n (%) | 0.56 | ||
| 0 | 44 (51.2) | 8 (66.7) | |
| 1 | 32 (37.2) | 2 (16.7) | |
| 2 | 7 (8.1) | 2 (16.6) | |
| 3 | 2 (2.3) | 0 (0.0) | |
| ≥4 | 1 (1.2) | 0 (0.0) | |
| Contraception measures, n (%) | 0.89 | ||
| No | 20 (23.3) | 2 (16.7) | |
| Short-acting oral contraceptive | 2 (2.3%) | 0 (0.0) | |
| Long-acting oral contraceptive | 1 (1.2%) | 0 (0.0) | |
| Emergency oral contraceptive | 0 (0.0) | 0 (0.0) | |
| Condom | 35 (40.7%) | 7 (58.3%) | |
| Intrauterine device | 19 (22.1%) | 2 (16.7%) | |
| Tubal ligation | 5 (5.8%) | 0 (0.0) | |
| Safe period | 4 (4.7%) | 1 (8.3%) | |
| Lifetime sexual partners, n (%) | 0.643 | ||
| 0 | 1 (1.2%) | 7 (58.3%) | |
| 1 | 61 (70.9%) | 3 (25.0%) | |
| 2 | 18 (20.9%) | 2 (16.7%) | |
| 3 | 6 (7.0%) | 0 (0.0) | |
| ≥4 | 0 (0.0) | 0 (0.0) | |
| STD history, n (%)a | 0.207 | ||
| Yes | 38 (44.2) | 3 (25.0) | |
| No | 48 (55.8) | 9 (75.0) | |
The table includes data from 98 IBD patients who had complete data on education, income, production and sexual-related information.
aSTD history includes cervical erosion, uterine cervicitis, trichomoniasis, fungal infection, urinary-tract infection, gonorrhea and syphilis. Some patients had several kinds of disease.