Table 1.
Descriptive statistics for variables (n = 6,393).
| Variable | Description | Mean (SD) |
|---|---|---|
| Health insurance participation | EMI/RMI/CHI (No = 0, Yes = 1) | 0.874 (0.276) |
| Health insurance premium | The total annual payment of individual healthl insurance (RMB). Take the logarithm for analysis | 175.203 (0.802) |
| EMI | Government Health Insurance (GMI)/UEBMI(No = 0, Yes = 1) | 0.240 (0.406) |
| RMI | NRCMI/URBMI(No = 0, Yes = 1) | 0.596 (0.446) |
| CHI | Various commercial health insurance/commercial medical insurance (No = 0, Yes = 1) | 0.021 (0.125) |
| Life satisfaction | How do you think your life is now? (1 = very bad ~ 5 = very good) | 3.595 (0.763) |
| Gender | Male = 0, Female = 1 | 0.527 (0.499) |
| Age (year) | 60–64 = 1; 65–69 = 2; 70–74 = 3; 75–80 = 4 | 2.140 (1.050) |
| Education attainment | Primary school and below = 1; Junior high school = 2; High School/Higher Vocational School/Secondary School = 3; College and above = 4 | 1.602 (0.908) |
| Spouse status | None (single, divorced) = 0, Yes (married, separated, widowed) = 1 | 0.983 (0.123) |
| Residence | City = 0, Rural = 1 | 0.505 (0.484) |
| Chronic disease | Whether you have high blood pressure, diabetes, myocardial infarction, stroke, tumor, asthma? (No = 0, Yes = 1, total number of diseases) | 0.251 (0.408) |
| Annual income | Annual salary income + annual bonus + annual pension + annual income from other sources (RMB). Take the logarithm for analysis | 12350.240 (3285.940) |
| GDP per capita | GDP per capita (RMB). Take the logarithm for analysis | 41422.860 (5787.601) |
| Physical exercise (PE) | Average weekly physical exercise time (min/week) | 157.580 (394.511) |
| Job | Are you still working? No = 0, Yes = 1 | 0.223 (0.363) |