Table 3 Logistic regression analysis on cervical cancer screening

Region

 Western

910 (29.9)

ref.

ref.

700 (36.6)

ref.

ref.

 Central

1205 (40.3)

1.58 (1.42, 1.76)

1.49 (1.32, 1.68)

896 (47.6)

1.57 (1.38, 1.79)

1.49 (1.29, 1.72)

 Eastern

1323 (42.5)

1.74 (1.56, 1.93)

1.88 (1.66, 2.13)

1001 (51.2)

1.82 (1.60, 2.06)

2.11 (1.81, 2.44)

Area

 Urban

1739 (38.5)

ref.

ref.

1282 (45.0)

ref.

ref.

 Rural

1699 (36.7)

0.93 (0.85, 1.01)

1.39 (1.23, 1.58)

1315 (45.4)

1.02 (0.92, 1.13)

1.96 (1.68, 2.28)

Age group (year)

 20–24

70 (8.0)

ref.

ref.

-

-

-

 25–29

273 (22.1)

3.25 (2.46, 4.30)

1.58 (1.13, 2.19)

-

-

-

 30–34

498 (38.8)

7.30 (5.58, 9.55)

3.32 (2.38, 4.64)

-

-

-

 35–39

542 (46.0)

9.82 (7.49, 12.86)

5.13 (3.65, 7.21)

542 (46.0)

ref.

ref.

 40–44

961 (45.5)

9.61 (7.42, 12.45)

6.05 (4.33, 8.46)

961 (45.5)

0.98 (0.85, 1.13)

1.24 (1.06, 1.46)

 45–49

1094 (44.5)

9.21 (7.12, 11.91)

6.99 (5.00, 9.78)

1094 (44.5)

0.94 (0.82, 1.08)

1.44 (1.23, 1.68)

Occupation

 Managerial and technical staff

708 (44.7)

ref.

ref.

463 (63.4)

ref.

ref.

 Commercial/service personnel

595 (38.2)

0.76 (0.66, 0.88)

0.78 (0.65, 0.93)

446 (44.3)

0.46 (0.38, 0.56)

0.69 (0.55, 0.87)

 Workers or farmers

1673 (39.9)

0.82 (0.73, 0.92)

0.93 (0.77, 1.12)

1364 (43.5)

0.44 (0.38, 0.52)

0.77 (0.61, 0.98)

 Students

19 (6.7)

0.09 (0.05, 0.14)

0.70 (0.41, 1.22)

2 (33.3)

0.29 (0.05, 1.58)

0.79 (0.12, 5.10)

 Unemployed

321 (26.8)

0.45 (0.39, 0.53)

0.59 (0.48, 0.73)

238 (34.8)

0.31 (0.25, 0.38)

0.62 (0.47, 0.80)

 Others

122 (37.4)

0.74 (0.58, 0.94)

0.86 (0.65, 1.14)

84 (44.9)

0.47 (0.34, 0.65)

0.73 (0.51, 1.04)

Education level

 Primary school and below

508 (29.1)

ref.

ref.

483 (30.4)

ref.

ref.

 Middle school

1241 (40.7)

1.67 (1.48, 1.90)

2.23 (1.93, 2.56)

1001 (46.7)

2.01 (1.75, 2.30)

2.48 (2.13, 2.89)

 Senior high school or equivalent

768 (40.9)

1.69 (1.47, 1.94)

2.57 (2.16, 3.06)

584 (50.7)

2.35 (2.01, 2.75)

3.11 (2.55, 3.80)

 College and above

921 (37.3)

1.45 (1.27, 1.66)

3.53 (2.87, 4.35)

529 (61.4)

3.64 (3.06, 4.33)

4.66 (3.61, 6.01)

Monthly family income (RMB)

 <3000

806 (33.1)

ref.

ref.

645 (38.1)

ref.

ref.

 3000–4999

1045 (36.6)

1.17 (1.04, 1.31)

1.06 (0.93, 1.21)

820 (45.9)

1.38 (1.20, 1.58)

1.12 (0.97, 1.30)

 5000–7999

908 (40.5)

1.38 (1.22, 1.55)

1.06 (0.92, 1.21)

680 (49.7)

1.61 (1.39, 1.86)

1.10 (0.93, 1.30)

 ≥8000

679 (42.2)

1.48 (1.30, 1.68)

0.93 (0.79, 1.10)

452 (50.3)

1.64 (1.40, 1.93)

0.88 (0.72, 1.07)

Marital status

 Unmarried

85 (8.4)

ref.

ref.

16 (30.2)

ref.

ref.

 Married

3215 (41.3)

7.68 (6.12, 9.64)

2.61 (1.83, 3.72)

2456 (45.5)

1.93 (1.07, 3.48)

1.62 (0.84, 3.12)

 Divorced/Widowed/Others

138 (39.8)

7.21 (5.29, 9.82)

2.47 (1.63, 3.73)

125 (42.2)

1.69 (0.90, 3.17)

1.68 (0.84, 3.36)

Gravidity

 0

166 (12.8)

ref.

ref.

53 (35.8)

ref.

ref.

 1

1214 (42.6)

5.04 (4.22, 6.03)

1.42 (1.08, 1.85)

895 (48.5)

1.69 (1.19, 2.39)

1.27 (0.86, 1.89)

 2

1200 (41.9)

4.89 (4.09, 5.85)

1.56 (1.18, 2.04)

916 (44.7)

1.45 (1.03, 2.05)

1.34 (0.90, 1.99)

 ≥3

858 (40.1)

4.54 (3.78, 5.46)

1.61 (1.22, 2.12)

733 (43.0)

1.35 (0.95, 1.92)

1.46 (0.98, 2.17)

Age at menarche (years)

 <13

434 (34.6)

ref.

ref.

281 (44.3)

ref.

ref.

 ≥13

3004 (38.1)

1.16 (1.03, 1.32)

1.00 (0.86, 1.16)

2316 (45.3)

1.04 (0.88, 1.23)

1.15 (0.95, 1.38)

Knowledge level

 Low level (< 5)

1435 (27.3)

ref.

ref.

1187 (34.1)

ref.

ref.

 High level (≥5)

2003 (51.5)

2.83 (2.60, 3.09)

2.91 (2.63, 3.21)

1410 (62.3)

3.21 (2.87, 3.58)

2.76 (2.45, 3.12)