Table 1 Baseline characteristics of the study population
Control | Intervention | Total | Missing | |
|---|---|---|---|---|
N (%) | N (%) | N (%) | N | |
Total | 2258 (50.3) | 2231 (49.7) | 4489 (100.0) | 0/4489 |
Sex (male) | 1142 (50.6) | 1143 (51.2) | 2285 (50.9) | 0/4489 |
Age groups (years) | ||||
30–34 | 463 (20.5) | 463 (20.8) | 926 (20.6) | |
35–39 | 546 (24.2) | 572 (25.6) | 1118 (24.9) | |
40–44 | 637 (28.2) | 605 (27.1) | 1242 (27.7) | |
45–50 | 612 (27.1) | 591 (26.5) | 1203 (26.8) | 0/4489 |
Education (years) | ||||
0–10 (low) | 378 (17.1) | 386 (17.8) | 764 (17.4) | |
10–15 (medium) | 1143 (51.6) | 1104 (50.8) | 2247 (51.2) | |
15- (high) | 692 (31.3) | 684 (31.5) | 1376 (31.4) | 102/4489 |
Income, 1000 DKK | ||||
Low tertile (0–207) | 737 (32.6) | 723 (32.4) | 1460 (32.5) | |
Middle tertile (208–273) | 734 (32.5) | 740 (33.2) | 1474 (32.8) | |
High tertile (274-?) | 787 (34.9) | 768 (34.4) | 1555 (34.6) | 0/4489 |
Occupational status | ||||
Employed | 1745 (77.3) | 1746 (78.3) | 3491 (77.8) | |
Self-employed | 91 (4.0) | 86 (3.9) | 177 (3.9) | |
Unemployed/benefits | 68 (3.0) | 55 (2.5) | 123 (2.7) | |
Social welfare recipient | 317 (14.0) | 310 (13.9) | 627 (14.0) | |
Othersb | 37 (1.6) | 34 (1.5) | 71 (1.6) | 0/4489 |
Medicine (Yes)a | 205 (9.1) | 198 (8.9) | 403 (9.0) | 0/4489 |