Table 1.
Characteristics of populations in 23 provinces in China during 2012–2016 in the study.
| Total | UEBMI | URBMI | ||
|---|---|---|---|---|
| Total number (million) | 513.30 | 233.24 | 280.06 | |
| Age, years | Mean (SD) | 37.73 (0.001) | 41.88 (0.001) | 34.27 (0.001) |
| Age groups, n (%) | 0–29 | 207.89 (40.50) | 64.94 (27.84) | 142.95 (51.04) |
| 30–34 | 44.90 (8.75) | 30.30 (12.99) | 14.60 (5.21) | |
| 35–39 | 36.45 (7.10) | 23.73 (10.17) | 12.72 (4.54) | |
| 40–44 | 40.03 (7.80) | 23.59 (10.11) | 16.44 (5.87) | |
| 45–49 | 42.54 (8.29) | 23.17 (9.93) | 19.37 (6.92) | |
| 50–54 | 38.93 (7.58) | 20.22 (8.67) | 18.71 (6.68) | |
| 55–59 | 22.71 (4.42) | 11.80 (5.06) | 10.91 (3.90) | |
| 60–64 | 25.37 (4.94) | 11.85 (5.08) | 13.52 (4.83) | |
| 65–69 | 18.09 (3.52) | 7.80 (3.34) | 10.29 (3.67) | |
| 70–74 | 12.46 (2.43) | 5.39 (2.31) | 7.07 (2.52) | |
| 75–79 | 10.03 (1.95) | 4.67 (2.00) | 5.36 (1.92) | |
| 80–84 | 7.42 (1.45) | 3.30 (1.42) | 4.12 (1.47) | |
| ≥85 | 6.48 (1.26) | 2.47 (1.06) | 4.01 (1.43) | |
| Gender, n (%, million) | Male | 269.44 (52.49) | 130.11 (55.80) | 139.32 (49.75) |
| Female | 243.86 (47.51) | 103.12 (44.21) | 140.74 (50.25) | |
| Area, n (%, million) | East | 199.98 (38.96) | 81.28 (42.39) | 118.71 (34.85) |
| North | 21.60 (4.21) | 9.08 (4.47) | 12.52 (3.89) | |
| North-east | 50.09 (9.76) | 28.10 (7.85) | 21.99 (12.05) | |
| North-west | 24.15 (4.71) | 10.90 (4.73) | 13.25 (4.67) | |
| South-central | 156.20 (30.43) | 86.35 (24.94) | 69.85 (37.02) | |
| South-west | 61.28 (11.94) | 17.54 (15.62) | 43.74 (7.52) |
SD, standard deviation; UEBMI, urban employee basic medical insurance; URBMI, urban resident basic medical insurance.
East area contains Jiangsu, Zhejiang, Anhui, Jiangxi, and Shandong (five provinces). North area contains Shanxi, Inner Mongolia (two provinces). North-east contains Liaoning, Jilin, and Heilongjiang (three provinces). North-west contains Shaanxi, Qinghai, Gansu, and Xinjiang (four provinces). South-central contains Henan, Hubei, Hunan, Guangdong, Guangxi, and Hainan (six provinces). South-west contains Chongqing, Guizhou, and Yunan (three provinces).