Table 1 Demographic characteristic of participants, and general health and family social capital score in different population groups
| Â | Demographic characteristic | General health | Family cohesion | Health-related family support |
|---|---|---|---|---|
|  | n (%) | Mean ± SD | Mean ± SD | Mean ± SD |
Total |  | 71.66 ± 20.92 | 74.77 ± 8.32 | 7.12 ± 2.59 |
Gender | ||||
 Male | 1576 (37.6%) | 73.60 ± 20.34 | 75.02 ± 8.13 | 6.85 ± 2.68 |
 Female | 2611 (62.4%) | 70.49 ± 21.18 | 74.62 ± 8.43 | 7.23 ± 2.53 |
|  |  | P <0.001 | P = 0.136 | P <0.001 |
Age group | ||||
 18–30 years old | 503 (12.0%) | 78.49 ± 16.63 | 74.84 ± 8.43 | 6.88 ± 2.40 |
 31–40 years old | 752 (18.0%) | 75.66 ± 19.40 | 76.07 ± 7.60 | 7.11 ± 2.47 |
 41–50 years old | 1397 (33.3%) | 71.39 ± 21.34 | 74.63 ± 8.26 | 6.89 ± 2.61 |
 51–60 years old | 1005 (24.0%) | 68.07 ± 22.07 | 74.39 ± 8.70 | 7.29 ± 2.70 |
 61 years old and above | 530 (12.7%) | 67.04 ± 20.63 | 73.96 ± 8.45 | 7.63 ± 2.66 |
| Â | Â | P<0.001 | P <0.001 | P <0.001 |
Marital status | ||||
 Married/Cohabiting | 3829 (91.2%) | 71.77 ± 20.90 | 75.00 ± 8.18 | 7.14 ± 2.59 |
 Single/widowed/divorced | 367 (8.8%) | 70.54 ± 21.03 | 72.47 ± 9.37 | 6.92 ± 2.59 |
|  |  | P>0.05 | P = 0.005 | P <0.001 |
Household income | ||||
 Very poor | 611 (14.6%) | 65.57 ± 22.67 | 74.08 ± 8.13 | 5.80 ± 2.77 |
 Relatively poor | 666 (15.9%) | 69.31 ± 23.32 | 74.12 ± 8.68 | 6.23 ± 2.75 |
 Moderate rich | 980 (23.4%) | 72.87 ± 21.73 | 75.11 ± 8.41 | 7.02 ± 2.57 |
 Relatively rich | 996(23.8%) | 73.85 ± 19.61 | 74.63 ± 8.12 | 7.64 ± 2.26 |
 Very rich | 934(22.3%) | 73.73 ± 17.70 | 75.50 ± 8.19 | 8.16 ± 2.09 |
|  |  | P <0.001 | P = 0.004 | P <0.001 |
Family educational level | ||||
 Junior middle school and below | 1349 (32.2%) | 69.24 ± 22.89 | 74.51 ± 8.31 | 6.22 ± 2.86 |
 High school | 1367 (32.6%) | 72.23 ± 20.68 | 74.84 ± 8.54 | 7.20 ± 2.47 |
 College school | 754 (18.0%) | 73.88 ± 19.17 | 74.90 ± 8.31 | 7.76 ± 2.21 |
 Undergraduate and above | 717 (17.2%) | 72.81 ± 18.70 | 75.00 ± 7.91 | 7.98 ± 2.13 |
|  |  | P <0.001 | P = 0.653 | P <0.001 |
Family occupational status | ||||
 Peasant class | 1978 (47.2%) | 69.84 ± 22.09 | 75.00 ± 8.24 | 6.46 ± 2.76 |
 Petty bourgeoisie class | 556 (13.3%) | 73.62 ± 21.67 | 74.59 ± 8.70 | 7.09 ± 2.45 |
 Professional class | 1185 (28.3%) | 73.27 ± 19.28 | 74.34 ± 8.18 | 7.80 ± 2.12 |
 Upper class | 468 (11.2%) | 73.00 ± 20.92 | 75.12 ± 8.52 | 8.20 ± 2.30 |
|  |  | P <0.001 | P = 0.174 | P <0.001 |
Family SES# | ||||
 Low | 1583 (37.8%) | 68.74 ± 22.81 | 74.67 ± 8.31 | 6.13 ± 2.79 |
 Middle | 1304 (31.1%) | 73.36 ± 20.85 | 74.81 ± 8.65 | 7.31 ± 2.39 |
 High | 1300 (31.1%) | 73.51 ± 17.99 | 74.86 ± 8.01 | 8.13 ± 2.06 |
|  |  | P <0.001 | P = 0.808 | P <0.001 |