Table 1 Characteristics and socio-demographic data of the population at risk and the study samples
Population at risk | Newly sick-listed population | General population sample | ||||
|---|---|---|---|---|---|---|
Men N = 336 085 | Women N = 332 802 | Men n = 2 386 | Women n = 3 754 | Men n = 4 086 | Women n = 3 898 | |
Non-responders (percentage of sample) | # | # | 1 272 (53) | 1 558 (42) | 2 293 (56) | 1 664 (43) |
Participants | # | # | n =1 113 | n =2 196 | n =1 793 | n = 2 234 |
N (%) | N (%) | n (%) | n (%) | n (%) | n (%) | |
Age | ||||||
19-30 years | 83 474 (25) | 76 588 (23) | 129 (12) | 251 (11) | 366 (20) | 464 (21) |
31-50 years | 163 719 (49) | 162 391 (49) | 445 (40) | 1034(47) | 802 (45) | 1001 (45) |
51-64 years | 88 892 (26) | 93 823 (28) | 539 (48) | 912 (42) | 625 (35) | 769 (34) |
Socio-economic group | ||||||
Higher non-manual employees | ° | ° | 114 (10) | 245 (11) | 328 (18) | 308 (14) |
Intermediate non-manual employees | ° | ° | 169 (15) | 597 (27) | 369 (21) | 574 (26) |
Lower non-manual employees | ° | ° | 73 (7) | 315 (14) | 159 (9) | 365 (16) |
Skilled worker | ° | ° | 317 (28) | 462 (21) | 374 (21) | 345 (15) |
Unskilled worker | ° | ° | 409 (37) | 550 (25) | 408 (23) | 478 (21) |
Other | ° | ° | 0 (0) | 0 (0) | 64 (4) | 55 (2) |
Information on socio-economic status missing | ° | ° | 31 (3) | 28 (1) | 91 (5) | 109 (5) |