Table 1.
Demographics of the study population
| Demographic | Type 2 diabetes N=392,200 |
Control N=1,643,170 |
|---|---|---|
| Index year (median; IQR) | 2008 (2005; 2013) | 2009 (2005; 2013) |
| Control participants available in 2016 | ||
| 5 | 200,214 (51.0) | |
| 4 | 106,126 (27.1) | |
| 3 | 54,781 (14.0) | |
| 2 | 23,202 (5.9) | |
| 1 | 6849 (1.7) | |
| 0 | 1028 (0.3) | |
| Year of birth | ||
| <1940 | 39,312 (10) | 123,819 (7.5) |
| 1940–1949 | 139,491 (35.6) | 541,711 (33) |
| 1950–1959 | 109,537 (27.9) | 484,661 (29.5) |
| 1960–1969 | 62,681 (16) | 295,487 (18) |
| 1970–1979 | 25,786 (6.6) | 123,517 (7.5) |
| 1980–1989 | 11,007 (2.8) | 52,559 (3.2) |
| ≥1990 | 4386 (1.1) | 21,416 (1.3) |
| Age in 2016, mean (SD) | 62.8 (12.3) | 61.5 (12.3) |
| Age in index year, mean (SD) | 55.1 (11.5) | 54.4 (11.9) |
| Sex | ||
| Men | 230,539 (58.8) | 931,598 (56.7) |
| Women | 161,661 (41.2) | 711,572 (43.3) |
| Education | ||
| Compulsory | 117,989 (30.1) | 351,786 (21.4) |
| Upper secondary | 182,173 (46.5) | 738,437 (44.9) |
| University | 86,825 (22.1) | 541,910 (33) |
| Missing | 5213 (1.3) | 11,037 (0.7) |
Data are number (proportion) unless otherwise stated