Table 2.
Cohort demographics for people included in SCI-diabetes any time between 2006 and 2020 by diabetes type
| Type 1 | Type 2 | Other | Total diabetes population | |
| Total included | 41 814 (8.8) | 416 291 (88.1) | 14 543 (3.1) | 472 648 |
| Sex (female) | 18 608 (44.5) | 185 265 (44.5) | 6346 (43.6) | 210 219 (44.5) |
| Age (years) | 47.1 (30.3, 61.5) | 71.3 (61.2, 79.9) | 64.0 (52.2, 74.7) | 69.8 (58.7, 79.0) |
| Age at diabetes diagnosis (years) | 22.0 (11.5, 36.7) | 60.0 (50.6, 69.0) | 56.9 (44.1, 67.9) | 58.4 (47.6, 68.1) |
| Diabetes duration (years) | 18.5 (8.4, 30.0) | 9.2 (4.6, 15.0) | 5.3 (1.9, 10.8) | 9.6 (4.6, 15.8) |
| Follow-up (years since 2006) | 13.5 (6.5, 14.8) | 8.1 (4.2, 12.8) | 5.4 (2.3, 10.3) | 8.3 (4.2, 13.3) |
| Ethnicity | ||||
| White | 33 704 (80.6) | 301 587 (72.4) | 10 172 (69.9) | 345 463 (73.1) |
| South Asian | 426 (1.0) | 10 047 (2.4) | 262 (1.8) | 10 735 (2.3) |
| Black | 203 (0.5) | 1572 (0.4) | 60 (0.4) | 1835 (0.4) |
| Chinese | 70 (0.2) | 1313 (0.3) | 40 (0.3) | 1423 (0.3) |
| Other | 1267 (3.0) | 14 222 (3.4) | 425 (2.9) | 15 914 (3.4) |
| Unknown | 6144 (14.7) | 87 550 (21.0) | 3584 (24.6) | 97 278 (20.6) |
| Health Board | ||||
| Greater Glasgow & Clyde | 8394 (20.1) | 89 664 (21.5) | 3413 (23.5) | 101 471 (21.5) |
| Lothian | 6627 (15.9) | 56 658 (13.6) | 2456 (16.9) | 65 741 (13.9) |
| Lanarkshire | 5412 (12.9) | 53 801 (12.9) | 1873 (12.9) | 61 086 (12.9) |
| Grampian | 4415 (10.6) | 40 928 (9.8) | 1120 (7.7) | 46 463 (9.8) |
| Tayside | 2944 (7.0) | 33 511 (8.1) | 1108 (7.6) | 37 563 (7.9) |
| Ayrshire & Arran | 3051 (7.3) | 33 662 (8.1) | 801 (5.5) | 37 514 (7.9) |
| Fife | 3029 (7.2) | 30 562 (7.3) | 843 (5.8) | 34 434 (7.3) |
| Highland | 2644 (6.3) | 24 877 (6.0) | 1229 (8.5) | 28 750 (6.1) |
| Forth Valley | 2392 (5.7) | 23 824 (5.7) | 625 (4.3) | 26 841 (5.7) |
| Dumfries & Galloway | 1320 (3.2) | 13 734 (3.3) | 446 (3.1) | 15 500 (3.3) |
| Borders | 943 (2.3) | 9722 (2.3) | 443 (3.0) | 11 108 (2.4) |
| Western Isles | 285 (0.7) | 2054 (0.5) | 57 (0.4) | 2396 (0.5) |
| Orkney | 168 (0.4) | 1723 (0.4) | 55 (0.4) | 1946 (0.4) |
| Shetland | 186 (0.4) | 1540 (0.4) | 58 (0.4) | 1784 (0.4) |
| Deprivation index | ||||
| Quintile 1 (most deprived) | 8524 (20.4) | 99 606 (23.9) | 3598 (24.7) | 111 728 (23.6) |
| Quintile 2 | 8392 (20.1) | 95 063 (22.8) | 3215 (22.1) | 106 670 (22.6) |
| Quintile 3 | 7798 (18.6) | 83 471 (20.1) | 2959 (20.3) | 94 228 (19.9) |
| Quintile 4 | 7301 (17.5) | 71 981 (17.3) | 2486 (17.1) | 81 768 (17.3) |
| Quintile 5 (least deprived) | 6693 (16.0) | 56 744 (13.6) | 1970 (13.5) | 65 407 (13.8) |
| Unknown | 3106 (7.4) | 9426 (2.3) | 315 (2.2) | 12 847 (2.7) |
Categorical values are shown in N (%) and continuous values are median IQR across the cohort in the full period. Number of measures are median IQR across the cohort by year. The follow-up period from 2006 to 2020 includes 14% incident cases of diabetes and 13% who died.
SCI-diabetes, Scottish Care Information-diabetes.