Baseline characteristics by type of diabetes (N=768)
| Variable | Type 1 diabetes | Type 2 diabetes | Significance, p value |
| n (%) | 583 (75.9) | 185 (24.1) | |
| Age, median (Q1–Q3) | 28.97 (21.9–48.7) | 61.54 (52.0–75.1) | <0.0001* |
| Age group, n (%) | |||
| <29 | 289 (99.7) | 1 (0.3) | |
| 30–49 | 147 (80.8) | 35 (19.2) | |
| 50–69 | 120 (59.1) | 83 (40.9) | |
| >70 | 21 (24.4) | 65 (75.6) | |
| Sex, n (%) | |||
| Male | 277 (47.7) | 99 (53.5) | 0.167 |
| Female | 304 (52.3) | 86 (46.5) | |
| Male:female | 1:1.1 | 1:0.9 | |
| Ethnicity, n (%) | |||
| White | 453 (80.3) | 130 (73.5) | 0.030* |
| Asian | 50 (8.9) | 20 (11.3) | |
| Black | 32 (5.7) | 19 (10.7) | |
| Mixed | 22 (3.9) | 3 (1.7) | |
| Others | 7 (1.2) | 5 (2.8) |
*P<0.05.
Q1, first quartile; Q3, third quartile.