Basic characteristics and lung cancer rate of the random 5% sample of Urban Employee Basic Medical Insurance beneficiaries, 2013–2016
| Characteristic | 2013 (n=4805) | 2014 (n=5478) | 2015 (n=2714) | 2016 (n=3486) |
| Age, years | 66.0 (12.0) | 66.0 (11.9) | 65.8 (11.7) | 64.3 (11.7) |
| Female | 1671 (0.35) | 2037 (0.37) | 993 (0.37) | 1272 (0.36) |
| Age group, years | ||||
| Under 45 | 12 (0) | 25 (0) | 10 (0) | 18 (0.01) |
| 45–54 | 233 (0.05) | 217 (0.04) | 125 (0.05) | 169 (0.05) |
| 55–64 | 1188 (0.25) | 1398 (0.26) | 688 (0.25) | 1007 (0.29) |
| 65–74 | 2158 (0.45) | 2432 (0.44) | 1239 (0.46) | 1569 (0.45) |
| 75+ | 1214 (0.25) | 1406 (0.26) | 652 (0.24) | 723 (0.21) |
| Lung cancer crude rate (per 100 000) | 3118 | 3752 | 3638 | 3794 |
| Lung cancer ASR (per 100 000) | 105 | 110 | 107 | 118 |
Numbers in the table are presented as mean (SD) or count (%).
ASR, age-standardised incidence rate.