Table 1 Summary statistics of key variables (N = 628,952)
|  | UEBMI enrollees (N = 549,603) | URBMI enrollees (N = 79,349) | |
|---|---|---|---|
Basic demographic variables (number/percent) | |||
 Age (years) | 17–45 | 180,430 (32.83%) | 23,832 (30.03%) |
45–59 | 229,889 (41.83%) | 26,501 (33.40%) | |
> 59 | 139,284 (25.34%) | 29,016 (36.57%) | |
 Gender | Male | 276,043 (50.23%) | 30,576 (38.53%) |
Female | 273,560 (49.77%) | 48,773 (61.47%) | |
 Workplaces | Enterprise | 273,185 (49.71%) | 345 (0.43%) |
Individual | 180,548 (32.85%) | 282 (0.36%) | |
State-owned workplaces | 92,593 (16.85%) | 78,717 (99.20%) | |
Other workplaces | 3277 (0.60%) | 5 (0.01%) | |
 Wages | Low | 354,049 (64.42%) | 63,658 (80.23%) |
Medium | 42,355 (7.71%) | 2958 (3.73%) | |
High | 153,199 (27.87%) | 12,733 (16.05%) | |
Outpatient visit (%) | |||
Any outpatient visit in the past year | 17.47 | 1.14 | |
 Hospital types | First-level hospital | 9.66 | 0.10 |
Secondary-level hospital | 2.12 | 0.94 | |
Tertiary-level hospital | 8.41 | 0.14 | |
Hospitalization (%) | |||
Any hospitalization in the past year | 14.09 | 12.20 | |
 Hospital types | First-level hospital | 1.73 | 1.31 |
Secondary-level hospital | 4.92 | 4.87 | |
Tertiary-level hospital | 8.72 | 7.12 | |
Hospitalization expenses (median/ lower quartile ~upper quartile, RMB) | |||
 Hospital types | First-level hospital | 3075.10 (2183.99~4934.57) | 2990.65 (1919.77~4610.90) |
Secondary-level hospital | 4611.98 (2942.49~7294.23) | 4002.23 (2467.00~6689.57) | |
Tertiary-level hospital | 6085.53 (3979.50~10,396.24) | 5503.85 (3491.24~9630.11) | |
Hospitalization compensation ratios (median/lower quartile ~upper quartile, %) | |||
 Hospital types | First-level hospital | 77.81 (73.76~82.35) | 69.81 (63.20~81.81) |
Secondary-level hospital | 76.36 (71.50~81.31) | 70.02 (62.03~81.25) | |
Tertiary-level hospital | 67.81 (62.86~72.54) | 58.74 (52.24~72.15) | |