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

Renewal willingness
Variables Total n (%)
(n = 823,100%)
Willing n (%)
(n = 786,95.5%)
Unwilling n (%)
(n = 37,4.5%)
χ2 P-value
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)
1. Note: "-" Use Fisher’s exact probability method, there is no corresponding statistical value