Table 1.
Study population characteristics for the whole study cohort and by multimorbidity measured using different data sources
| All cohort | No. (%) of people in row with multimorbidity | |||
|---|---|---|---|---|
| Only primary care (PC) data | Only hospital inpatient (HI) data | Linked primary care/hospital inpatient data | ||
| Whole cohort | 2,340,027 | 691,868 (29.6) | 385,276 (16.5) | 754,082 (32.2) |
| Age, years | ||||
| Mean (SD) | 63.0 (17.7) | 66.8 (16.7) | 62.5 (17.5) | |
| 0–4 | 83,487 | 201 (0.2) | 191 (0.2) | 350 (0.4) |
| 5–9 | 137,384 | 1113 (0.8) | 740 (0.5) | 1593 (1.2) |
| 10–14 | 137,510 | 2235 (1.6) | 1157 (0.8) | 2808 (2.0) |
| 15–19 | 125,153 | 4864 (3.9) | 2006 (1.6) | 5802 (4.6) |
| 20–29 | 272,938 | 25,999 (9.5) | 9954 (3.6) | 29,902 (10.9) |
| 30–39 | 292,464 | 41,954 (14.3) | 16,176 (5.5) | 47,662 (16.3) |
| 40–49 | 293,387 | 66,470 (22.7) | 26,054 (8.9) | 74,168 (25.3) |
| 50–59 | 339,737 | 116,750 (34.4) | 52,378 (15.4) | 128,917 (37.9) |
| 60–69 | 285,149 | 149,251 (52.3) | 80,838 (28.3) | 162,044 (56.8) |
| 70–79 | 235,988 | 166,920 (70.7) | 107,090 (45.4) | 178,513 (75.6) |
| 80–89 | 112,276 | 94,674 (84.3) | 71,415 (63.6) | 99,854 (88.9) |
| 90 + | 24,554 | 21,437 (87.3) | 17,277 (70.4) | 22,469 (91.5) |
| Sex | ||||
| Men and boys | 1,167,242 | 315,460 (27.0) | 182,598 (15.6) | 345,322 (29.6) |
| Women and girls | 1,172,785 | 376,408 (32.1) | 202,678 (17.3) | 408,760 (34.8) |
| Deprivation | ||||
| 1 (most) | 252,310 | 75,612 (30.0) | 43,263 (17.1) | 81,862 (32.4) |
| 2 | 242,936 | 73,863 (30.4) | 42,056 (17.3) | 80,307 (33.0) |
| 3 | 231,456 | 72,979 (31.5) | 41,172 (17.8) | 78,783 (34.0) |
| 4 | 248,863 | 73,613 (29.6) | 41,510 (16.7) | 80,495 (32.3) |
| 5 | 233,634 | 67,087 (28.7) | 37,949 (16.2) | 73,637 (31.5) |
| 6 | 220,335 | 65,455 (29.7) | 36,025 (16.3) | 71,309 (32.4) |
| 7 | 223,109 | 64,937 (29.1) | 36,382 (16.3) | 71,419 (32.0) |
| 8 | 215,813 | 64,790 (30.0) | 34,868 (16.1) | 70,210 (32.5) |
| 9 | 232,343 | 66,741 (28.7) | 36,195 (15.6) | 72,910 (31.4) |
| 10 (least) | 239,228 | 66,791 (27.9) | 35,856 (15.0) | 73,150 (30.6) |