Table 4.

Associations between various factors and detection of high-risk HPV and cervical lesion (OR and corresponding 95% CI; n = 6,339)

Total no.High riskCervical lesion
No. (%)OR* (95% CI)No. (%)OR* (95% CI)
Age (years)
    25-2982482 (9.9)1.36 (0.97-1.93)37 (4.5)0.85 (0.55-1.34)
    30-341,132124 (11.0)1.52 (1.11-2.09)83 (7.3)1.44 (0.99-2.09)
    35-391,203119 (9.9)1.36 (0.99-1.87)81 (6.7)1.31 (0.90-1.92)
    40-441,250127 (10.2)1.40 (1.02-1.92)82 (6.6)1.28 (0.88-1.86)
    45-491,086100 (9.2)1.26 (0.90-1.75)47 (4.3)0.82 (0.54-1.25)
    50-5484463 (7.5)144 (5.2)1
Educational level
    High school and below2,649220 (8.3)1142 (5.4)1
    University and above3,690395 (10.7)1.32 (1.11-1.57)232 (6.3)1.18 (0.96-1.47)
Monthly family income per capita
    ≤CNY 2,000 Yuan1,19478 (6.5)172 (6.0)1
    >CNY 2,000 Yuan 5,145537 (10.4)1.67 (1.30-2.13)302 (5.9)0.97 (0.75-1.27)
Smoking
    Never6,110591 (9.7)1359 (5.9)1
    Ever22924 (10.5)0.79 (0.54-1.18)15 (6.6)1.02 (0.61-1.54)
Drinking
    Never5,063469 (9.3)1283 (5.5)1
    Ever1,276146 (11.4)0.93 (0.66-1.17)91 (7.1)0.96 (0.89-1.20)
Married status
    Married6,142585 (9.5)13581
    Unmarried§19730 (15.2)1.71 (1.15-2.54)161.43 (0.85-2.40)
Lifetime sexual partners
    16,144593 (9.7)1364 (6.0)1
    >119522 (11.3)1.19 (0. 76-1.87)10 (5.1)0.86 (0.45-1.63)
Husband's sex partners
    16,014563 (9.4)1342 (5.7)1
    226337 (14.1)1.59 (1.11-2.27)22 (8.4)1.51 (0.97-2.37)
    ≥36215 (24.2)3.09 (1.76-5.56)10 (16.1)3.19 (1.66-6.33)
Age at first intercourse
    ≤2044460 (13.5)2.15 (1.35-3.44)371.54 (0.90-2.64)
    21-275,482527 (9.6)1.46 (0.99-2.17)3141.03 (0.67-1.59)
    ≥2841328 (6.8)1231
Pregnant
    Never15623 (14.7)1.63 (1.04-2.56)13 (8.3)1.47 (0.83-2.61)
    Ever6,183592 (9.6)1361 (5.8)1
Age at first pregnancy
    ≤242,936290 (9.9)4.05 (1.27-4.11)176 (6.0)1.32 (0.73-2.41)
    25-292,986290 (9.7)2.23 (1.25-3.97)173 (5.8)1.28 (0.70-2.32)
    ≥3026112 (4.6)112 (4.6)1
Delivery
    Never30551 (16.7)1.95 (1.43-2.66)23 (7.5)1.32 (0.85-2.05)
    Ever6,034564 (9.3)1351 (5.8)1
Oral contraceptives
    Never 6,1336011355 (5.8)1
    Ever206140.67 (0.39-1.16)19 (9.2)1.63 (1.02-2.56)
Condom use
    Never3,973395 (9.9)1248 (6.2)1
    Ever2,366220 (9.3)0.93 (0.78-1.10)126 (5.3)0.84 (0.68-1.05)
IUD contraceptives
    Never3,977378 (9.5)1231 (5.8)1
    Ever2,362237 (10.0)0.58 (0.48-0.97)143 (6.1)0.95 (0.81-1.23)
Columnar ectopy
    No4,941417 (8.4)1247 (5.0)1
    Yes 1,398198 (14.2)1.79 (1.49-2.15)127 (9.1)1.90 (1.52-2.37)
Bacterial vaginosis
    Never 5,786511 (8.8)1329 (5.7)1
    Ever553104 (18.8)2.39 (1.90-3.01)45 (8.1)1.47 (1.06-2.03)
Trichomonas vaginitis
    Never 5,792543 (9.4)1323 (5.6)1
    Ever54771 (13.0)1.44 (1.11-1.88)51 (9.3)1.74 (1.28-2.37)
  • *Adjusted for age.

  • Reference category.

  • Adjusted for sexual factors (marital status, lifetime sexual partners, husband's sexual partners).

  • §Unmarried includes separated, divorced, and widowed.