Characteristics | Screening instrument | Baseline questionnaire | ||
---|---|---|---|---|
Response (N = 3617) | Non-response (N = 4986) | Response (N = 187) | Non-response (N = 87) | |
Sex | χ2 = 169.04; p = 0.000 | χ2 = 0.00; p = 0.949 | ||
Men | 1162 (34%) | 2296 (66%) | 35 (69%) | 16 (31%) |
Women | 2455 (48%) | 2690 (52%) | 152 (68%) | 71 (32%) |
Age | χ2 = 71.36; p = 0.000 | χ2 = 4.28; p = 0.233 | ||
0 – 34 | 1029 (36%) | 1841 (64%) | 40 (60%) | 27 (40%) |
35 – 44 | 1095 (45%) | 1320 (55%) | 56 (67%) | 28 (33%) |
45 – 54 | 1077 (46%) | 1262 (54%) | 72 (73%) | 26 (27%) |
55 – 64 | 416 (42%) | 563 (58%) | 19 (76%) | 6 (24%) |
Sickness absence* | Response (N = 2715) | Non-response (N = 3545) | Response (N = 94) | Non-response (N = 71) |
Yes/no | χ2 = 0.175; p = 0.676 | χ2 = 0.140; p = 0.708 | ||
Duration (in days) | p = 0.468 | p = 0.926 | ||
Frequency (in spells) | p = 0.708 | p = 0.347 |