Variables | Grouping | Frequency | Valid Percentage (%) |
---|---|---|---|
Age (years) | < 20 | 286 | 3.8 |
 | 20–34 | 1566 | 21.1 |
 | 35–49 | 2315 | 31.2 |
 | 50–64 | 2021 | 27.2 |
 | ≥ 65 | 1242 | 16.7 |
Sex | Men | 3571 | 48.1 |
 | Women | 3859 | 51.9 |
Education | No formal school education | 564 | 7.6 |
 | Did not finish primary school | 928 | 12.6 |
 | Primary school | 1412 | 19.1 |
 | Junior high school | 2739 | 37.1 |
 | Senior high school and technical secondary school | 1153 | 15.6 |
 | Junior college | 384 | 5.2 |
 | Undergraduates and above | 201 | 2.7 |
The monthly average income per capita (Yuan) | < 500 | 288 | 4.3 |
 | ≥ 500 and < 1000 | 552 | 8.2 |
 | ≥ 1000 and < 3000 | 2950 | 43.8 |
 | ≥ 3000 and < 5000 | 2207 | 32.8 |
 | ≥ 5000 | 736 | 10.9 |
Medical Insurance* | Basic medical insurance for urban employees | 965 | 13.2 |
 | Free medical care | 32 | 0.4 |
 | Urban residents’ basic health insurance | 2875 | 39.2 |
 | New rural cooperative medical scheme | 3403 | 46.4 |
 | Commercial medical insurance | 111 | 1.5 |
The percentage of annual income spent on health care | < 10% | 5532 | 75.4 |
 | ≥ 10% and < 30% | 1458 | 19.9 |
 | ≥ 30% and < 50% | 184 | 2.5 |
 | ≥ 50% and < 70% | 60 | 0.8 |
 | ≥ 70% and < 90% | 31 | 0.5 |
 | ≥ 90% | 68 | 0.9 |
Family history | Yes | 3203 | 43.2 |
 | No | 4207 | 56.8 |