| |
Before PSM (N = 1461)
|
After PSM (N = 440)
|
|---|
| |
Locals N(%)
|
Migrants N(%)
|
X2 significance
|
Locals N(%)
|
Migrants N(%)
|
X2 significance
|
|---|
|
Sample size
|
715 (48.9)
|
746 (51.1)
| |
220 (50)
|
220 (50)
| |
|
Gender
| | |
0.158
| | |
0.436
|
|
Male
|
263 (36.8)
|
311 (41.7)
| |
102 (46.4)
|
94 (42.7)
| |
|
Female
|
451 (63.1)
|
434 (58.2)
| |
117 (53.2)
|
126 (57.3)
| |
|
Age (years)
| | |
P < 0.001**
| | |
0.063
|
|
< 31
|
57 (8.0)
|
260 (34.9)
| |
40 (18.2)
|
57 (25.9)
| |
|
31–60
|
348 (48.7)
|
449 (60.2)
| |
154 (70.0)
|
147 (66.8)
| |
|
> 60
|
310 (43.3)
|
37 (5.0)
| |
26 (11.8)
|
16 (7.3)
| |
|
Occupation
| | |
P < 0.001**
| | |
0.501
|
|
Employed
|
223 (31.2)
|
173 (23.2)
| |
165 (75)
|
171 (77.7)
| |
|
Retired or unemployed
|
492 (68.8)
|
573 (76.8)
| |
55 (25)
|
49 (22.3)
| |
|
Education
| | |
P < 0.001**
| | |
0.556
|
|
Primary school or below
|
122 (17.1)
|
93 (12.5)
| |
27 (12.3)
|
20 (9.1)
| |
|
Middle/high school
|
392 (54.8)
|
515 (69.3)
| |
118 (53.6)
|
123 (55.9)
| |
|
Bachelor’s degree or above
|
197 (27.6)
|
135 (18.2)
| |
75 (34.1)
|
77 (35.0)
| |
|
Income
| | |
0.333
| | |
0.917
|
|
< 5000
|
215 (30.1)
|
244 (32.7)
| |
63 (28.6)
|
60 (27.3)
| |
|
5000–10,000
|
255 (35.7)
|
240 (32.2)
| |
74 (33.6)
|
73 (33.2)
| |
|
> 10,000
|
245 (34.3)
|
262 (35.1)
| |
83 (37.7)
|
87 (39.5)
| |
|
Marital status
| | |
P < 0.001**
| | |
0.643
|
|
Unmarried
|
34 (4.8)
|
88 (11.8)
| |
22 (10)
|
25 (11.4)
| |
|
Married
|
681 (95.2)
|
658 (88.2)
| |
198 (90)
|
195 (88.6)
| |
|
Health status
| | |
P < 0.001**
| | |
0.679
|
|
Fair or poor
|
586 (82)
|
536 (71.8)
| |
155 (70.5)
|
151 (68.6)
| |
|
Very good or good
|
129 (18)
|
210 (28.2)
| |
65 (29.5)
|
69 (31.4)
| |
|
Chronic diseases
| | |
P < 0.001**
| | |
0.302
|
|
No
|
282 (39.4)
|
552 (74)
| |
147 (66.8)
|
157 (71.4)
| |
|
Yes
|
433 (60.6)
|
194 (26)
| |
73 (33.2)
|
63 (28.6)
| |
|
Number of CHC visits in the last year
| | |
P < 0.001**
| | |
0.093
|
|
< 6
|
270 (37.8)
|
522 (70)
| |
121 (55)
|
143 (65.0)
| |
|
6–30
|
377 (52.7)
|
214 (28.7)
| |
91 (41.4)
|
72 (32.7)
| |
|
> 30
|
68 (9.5)
|
10 (1.3)
| |
8 (3.6)
|
5 (2.3)
| |
|
Contracted with PCP
| | |
P < 0.001**
| | |
1.000
|
|
Yes
|
96 (13.4)
|
35 (4.7)
| |
19 (8.6)
|
17 (7.7)
| |
|
No
|
619 (86.6)
|
711 (95.3)
| |
201 (91.4)
|
203 (92.3)
| |
|
Social medical insurance
| | |
P < 0.001**
| | |
1.000
|
|
Basic medical insurance systems for urban workers
|
506 (70.8)
|
121 (16.2)
| |
120 (54.5)
|
120 (54.5)
| |
|
Basic medical insurance systems for residents
|
190 (26.6)
|
334 (44.8)
| |
82 (37.3)
|
82 (37.3)
| |
|
Without medical insurance
|
19 (2.6)
|
291 (39)
| |
18 (8.2)
|
18 (8.2)
| |
- Note:1. N number of patients; *p < 0.05; **p < 0.01; PSM propensity score matching, PCP primary care physician
- 2. Differences were explored using the chi-square test between urban locals (with ‘hukou’) and rural-to-urban migrants (without ‘hukou’) who settled permanently or temporarily somewhere other than the original household registration location before and after propensity score matching
