Table 1.
Participant characteristics of T2D cases and controls and characteristics of the three subgroups
| Diabetes cases | Controls | Group 1 | Group 2 | Group 3 | |
|---|---|---|---|---|---|
| Number | 38 481 | 421 021 | 20 588 | 6328 | 9344 |
| BMI (mean, SD) | 31.6 (5.7) | 27.0 (4.5) | 35.2 (4.7) | 26.8 (2.7) | 26.8 (2.3) |
| Age-at-onset (mean, SD) | 58.6 (11.1) | n/a | 59.0 (10.0) | 51.6 (7.2) | 68.1 (5.7) |
| Age (at 1/1/21) | 71.5 (7.0) | 68.0 (8.1) | 70.7 (7.1) | 75.1 (4.4) | 68.5 (7.4) |
| Sex | |||||
| Female | 39% | 56% | 41% | 31% | 40% |
| Male | 61% | 44% | 59% | 69% | 60% |
| Smoking status | |||||
| Never | 42% | 54% | 42% | 43% | 41% |
| Ex-smoker | 45% | 35% | 46% | 41% | 45% |
| Current | 13% | 10% | 12% | 16% | 14% |