Table 4.
Characteristics related to multiple HPV infections among 2374 Chinese women.
| Characteristics | Multiple infections no. (%) | Negative no. (%) | ORa (95% CI)b | Adjustedc OR (95% CI) |
|---|---|---|---|---|
| Age-group (years) | ||||
| <45 | 68 (4.64) | 1399 (95.36) | Ref. | Ref. |
| ≥45 | 43 (6.77) | 592 (93.23) | 1.49 (1.01–2.22) | 1.52 (1.02–2.27) |
| Area | ||||
| Rural | 30 (5.05) | 564 (94.95) | Ref. | Ref. |
| Urban | 81 (5.37) | 1427 (94.63) | 1.07 (0.69–1.64) | 1.14 (0.74–1.76) |
| Education | ||||
| ≤Junior high school | 51 (4.88) | 994 (95.12) | Ref. | Ref. |
| ≥Senior high school | 60 (5.68) | 997 (94.32) | 1.17 (0.80–1.72) | 1.43 (0.90–2.89) |
| Marriage times | ||||
| 1 | 105 (5.23) | 1904 (94.77) | Ref. | Ref. |
| ≥2 | 6 (6.45) | 87 (93.55) | 1.25 (0.53–2.93) | 1.20 (0.51–2.83) |
| Age at menarche (years) | ||||
| ≤13 | 22 (3.61) | 587 (96.39) | Ref. | Ref. |
| ≥14 | 89 (5.96) | 1404 (94.04) | 1.69 (1.05–2.72) | 1.60 (0.98–2.61) |
| Voluntary abortion times | ||||
| 1 | 33 (4.73) | 664 (95.27) | Ref. | Ref. |
| 2 | 16 (4.53) | 337 (95.47) | 0.95 (0.52–1.76) | 0.91 (0.49–1.68) |
| ≥3 | 8 (4.71) | 162 (95.29) | 0.99 (0.45–2.19) | 0.92 (0.42–2.05) |
| Spontaneous abortions times | ||||
| 1 | 5 (3.27) | 148 (96.73) | Ref. | Ref. |
| ≥2 | 1 (3.33) | 29 (96.67) | 1.02 (0.11–9.06) | 0.96 (0.10–8.82) |
| Live birth number | ||||
| 0 | 6 (5.04) | 113 (94.96) | Ref. | Ref. |
| 1 | 66 (5.27) | 1187 (94.73) | 1.05 (0.44–2.47) | 0.91 (0.38–2.17) |
| 2 | 20 (4.61) | 414 (95.39) | 0.91 (0.36–2.32) | 0.62 (0.22–1.76) |
| ≥3 | 10 (5.99) | 157 (94.01) | 1.20 (0.42–3.40) | 0.66 (0.19–2.25) |
| Age at first delivery (years) | ||||
| ≤24 | 49 (5.07) | 917 (94.93) | Ref. | Ref. |
| ≥25 | 47 (5.32) | 837 (94.68) | 1.05 (0.70–1.59) | 1.02 (0.62–1.67) |
| Condom use | ||||
| No | 59 (5.06) | 1108 (94.94) | Ref. | Ref. |
| Yes | 22 (2.44) | 879 (97.56) | 1.11 (0.76–1.63) | 1.25 (0.78–1.99) |
| Number of sexual partners | ||||
| 1 | 88 (4.96) | 1686 (95.04) | Ref. | Ref. |
| 2 | 13 (5.73) | 214 (94.27) | 1.16 (0.64–2.12) | 1.22 (0.67–2.22) |
| ≥3 | 10 (9.90) | 91 (90.10) | 2.11 (1.06–4.19) | 2.10 (1.05–4.17) |
| Age at first intercourse (years) | ||||
| <20 | 20 (4.95) | 384 (95.05) | Ref. | Ref. |
| ≥20 | 91 (5.36) | 1607 (94.64) | 1.09 (0.66–1.79) | 1.11 (0.63–1.98) |
| Husbands’ extra-marital intercourse | ||||
| No | 90 (5.18) | 1646 (94.82) | Ref. | Ref. |
| Yes | 16 (5.95) | 253 (94.05) | 1.16 (0.67–2.00) | 1.18 (0.68–2.05) |
aOR, odds ratio; b95% CI, 95% confidence interval; cadjusted for age-groups, study areas, and number of sexual partners.