Table 1 Sample characteristics by residents’ willingness to maintain contracts with family doctors

City of residence

19.331

< 0.001

 Zibo

344 (41.8)

316 (91.9)

28 (8.1)

 Binzhou

151 (18.3)

146 (96.7)

5 (3.3)

 Liaocheng

328 (39.9)

324 (98.8)

4 (1.2)

Poor family

–

0.556

 No

751 (91.3)

718 (95.6)

33 (4.4)

 Yes

72 (8.7)

68 (94.4)

4 (5.6)

Family income (yuan)

3.862

0.049

  ≤ 30,000

441 (53.6)

427 (96.8)

14 (3.2)

  > 30,000

382 (46.4)

359 (94.0)

23 (6.0)

Catastrophic health expenditure

3.625

0.057

 No

542 (65.9)

523 (96.5)

19 (3.5)

 Yes

281 (34.1)

263 (93.6)

18 (6.4)

The time to the nearest village clinic (minutes)

–

0.399

  ≤ 10

742 (90.2)

710 (95.7)

32 (4.3)

  > 10

81 (9.8)

76 (93.8)

5 (6.2)

Education, highest in household

12.662

0.002

 Junior high school or below

474 (57.6)

459 (96.8)

15 (3.2)

 Senior high school

226 (27.5)

217 (96.0)

9 (4.0)

 Graduate or above

123 (14.9)

110 (89.4)

13 (10.6)

Proportion of the household labor force

6.670

0.010

  ≤ 0.5

393 (47.8)

383 (97.5)

10 (2.5)

  > 0.5

430 (52.2)

403 (93.7)

27 (6.3)

Pay for the family doctor service contract

–

0.022

 No

798 (97.0)

765 (95.9)

33 (4.1)

 Yes

25 (3.0)

21 (84.0)

4 (16.0)

The number of chronic diseases in household

1.355

0.454

 0

318 (38.6)

305 (95.9)

13 (4.1)

 1–2

494 (60.0)

471 (95.3)

23 (4.7)

  ≥ 3

11 (1.3)

10 (90.9)

1 (9.1)

Pregnant woman in household

–

0.112

 No

727 (88.3)

691 (95.0)

36 (5.0)

 Yes

96 (11.7)

95 (99.0)

1 (0.1)

Children in household

4.120

0.042

 No

646 (78.5)

612 (94.7)

34 (5.3)

 Yes

177 (21.5)

174 (98.3)

3 (1.7)

Persons aged 65 or over in household

0.011

0.917

 No

438 (53.2)

418 (95.4)

20 (4.6)

 Yes

385 (46.8)

368 (95.6)

17 (4.4)