Table 1 Distribution of covariates and exposure according to gender
Male | Female | Total | |
|---|---|---|---|
N (%) | 4592 (46.0) | 5393 (54.0) | 9985 |
Age (SD) | 66.1 (9.3) | 64.8 (9.6) | 65.4 (9.5) |
Education (SD) | 18.1 (5.7) | 17.4 (5.4) | 17.7 (5.6) |
Mean follow up, yrs (SD) | 30.8 (10.7) | 29.2 (10.7) | 30.0 (10.7) |
Childhood SES (%) a | 500 (10.9) | 564 (10.5) | 1064 (10.7) |
1 | |||
2 | 248 (5.4) | 280 (5.2) | 528 (5.3) |
3 | 3040 (66.2) | 3623 (67.2) | 6663 (66.7) |
4 | 804 (17.5) | 926 (17.2) | 1730 (17.3) |
Country (%) Austria | 90 (2.0) | 142 (2.6) | 232 (2.3) |
Belgium | 433 (9.4) | 421 (7.8) | 854 (8.6) |
Czech Republic | 315 (6.9) | 469 (8.7) | 784 (7.9) |
Denmark | 569 (12.4) | 719 (13.3) | 1288 (12.9) |
France | 456 (9.9) | 568 (10.5) | 1024 (10.3) |
Germany | 350 (7.6) | 449 (8.3) | 799 (8.0) |
Greece | 266 (5.8) | 283 (5.3) | 549 (5.5) |
Italy | 389 (8.5) | 282 (5.2) | 671 (6.7) |
Netherlands | 379 (8.3) | 502 (9.3) | 881 (8.8) |
Poland | 290 (6.3) | 379 (7.0) | 669 (6.7) |
Spain | 292 (6.4) | 239 (4.4) | 531 (5.3) |
Switzerland | 453 (9.9) | 591 (11.0) | 1044 (10.5) |
Sweden | 310 (6.8) | 349 (6.5) | 659 (6.6) |
Count of episodes b | N = 4573 | N = 5371 | N = 9944 |
0 | 3683 (80.5) | 2080 (38.7) | 5763 (58.0) |
1 | 289 (6.3) | 436 (8.1) | 725 (7.3) |
2 | 178 (3.9) | 356 (6.6) | 534 (5.4) |
3 | 112 (2.5) | 314 (5.9) | 426 (4.3) |
4 | 77 (1.7) | 274 (5.1) | 351 (3.5) |
5 or more | 234 (5.1) | 1911 (35.6) | 2145 (21.6) |
Mean number of episodes (SD, max) | 0.8 (2.4, 31) | 4.5 (5.9, 36) | 2.8 (5.0, 36) |
Proportion of time not working, mean (SD, max) | 0.03 (0.08, 0.96) | 0.15 (0.21, 0.97) | 0.1 (0.17, 0.97) |