Table 1.
Population characteristics by the condition of interest, N (%)
| Characteristics | COPD only | Lung cancer only | COPD and lung cancer | Neither COPD nor lung cancer |
|---|---|---|---|---|
| n=150,999 | n=15,638 | n=24,082 | n=254,769 | |
| Age, years (at death date) | ||||
| Median (IQR) | 82 (15) | 71 (18) | 74 (14) | 81 (21) |
| 35–49 | 2044 (1.35) | 596 (3.81) | 238 (0.99) | 14,083 (5.53) |
| 50–59 | 8304 (5.50) | 2320 (14.84) | 1981 (8.23) | 23,403 (9.19) |
| 60–69 | 18,255 (12.09) | 4090 (26.15) | 5775 (23.98) | 33,974 (13.34) |
| 70–79 | 33,964 (22.49) | 4494 (28.74) | 8619 (35.79) | 47,425 (18.61) |
| 80–89 | 58,150 (38.51) | 3434 (21.96) | 6549 (27.19) | 83,020 (32.59) |
| 90+ | 30,282 (20.05) | 704 (4.50) | 920 (3.82) | 52,864 (20.75) |
| Income quintile (at 1 year prior to death) | ||||
| Missing | 967 (0.64) | 74 (0.47) | 118 (0.49) | 1568 (0.62) |
| Lowest | 37,692 (24.96) | 3284 (21.00) | 6308 (26.19) | 53,567 (21.03) |
| Low | 32,311 (21.40) | 3299 (21.10) | 5347 (22.20) | 51,547 (20.23) |
| Middle | 29,075 (19.26) | 3167 (20.25) | 4562 (18.94) | 49,874 (19.58) |
| High | 27,170 (17.99) | 3063 (19.59) | 4196 (17.42) | 50,488 (19.82) |
| Highest | 23,784 (15.75) | 2751 (17.59) | 3551 (14.75) | 47,725 (18.73) |
| Sex (at 1 year prior to death) | ||||
| Male | 77,781 (51.51) | 8236 (52.67) | 13,118 (54.47) | 121,171 (47.56) |
| Rurality (at 1 year prior to death) | ||||
| Missing | 52 (0.03) | 9 (0.06) | 10 (0.04) | 118 (0.05) |
| Rural (vs urban) | 24,528 (16.24) | 2255 (14.42) | 4143 (17.20) | 34,417 (13.51) |
| Prior comorbidities | ||||
| Arrythmia | 49,093 (32.51) | 2211 (14.14) | 4859 (20.18) | 57,950 (22.75) |
| Asthma | 44,151 (29.24) | 1177 (7.53) | 6018 (24.99) | 18,645 (7.32) |
| Cancer | 46,958 (31.10) | 15,638 (100) | 24,082 (100) | 94,679 (37.16) |
| Congestive heart failure | 73,982 (49.00) | 1966 (12.57) | 6253 (25.97) | 70,776 (27.78) |
| Coronary | 75,270 (49.85) | 3844 (24.58) | 8858 (36.78) | 88,446 (34.72) |
| Dementia | 42,326 (28.03) | 1056 (6.75) | 2163 (8.98) | 74,030 (29.06) |
| Diabetes | 61,815 (40.94) | 4438 (28.38) | 7918 (32.88) | 89,028 (34.94) |
| Hypertension | 125,232 (82.94) | 9918 (63.42) | 17,449 (72.46) | 188,769 (74.09) |
| Mood | 25,423 (16.84) | 2462 (15.74) | 4351 (18.07) | 38,723 (15.20) |
| Renal | 48,064 (31.83) | 1843 (11.79) | 3958 (16.44) | 60,644 (23.80) |
| Rheumatoid arthritis | 6182 (4.09) | 376 (2.40) | 825 (3.43) | 6974 (2.74) |
| Stroke | 30,402 (20.13) | 1498 (9.58) | 2763 (11.47) | 46,068 (18.08) |
| Number of chronic conditions | ||||
| 0 | 492 (0.33) | 69 (0.44) | 10 (0.04) | 6866 (2.69) |
| 1 | 2697 (1.79) | 1603 (10.25) | 480 (1.99) | 18,856 (7.40) |
| 2 | 6992 (4.63) | 2771 (17.72) | 1726 (7.17) | 32,287 (12.67) |
| 3 | 13,284 (8.80) | 3370 (21.55) | 3156 (13.11) | 43,559 (17.10) |
| 4 | 19,465 (12.89) | 3137 (20.06) | 4044 (16.79) | 46,372 (18.20) |
| 5 | 24,204 (16.03) | 2238 (14.31) | 4344 (18.04) | 41,031 (16.11) |
| 6 | 25,389 (16.81) | 1378 (8.81) | 3899 (16.19) | 31,236 (12.26) |
| 7 | 23,415 (15.51) | 660 (4.22) | 2861 (11.88) | 19,574 (7.68) |
| 8 | 17,474 (11.57) | 286 (1.83) | 1916 (7.96) | 9775 (3.84) |
| 9 | 10,543 (6.98) | 102 (0.65) | 1010 (4.19) | 3794 (1.49) |
| 10 and more | 7044 (4.66) | 24 (0.15) | 636 (2.64) | 1419 (0.56) |