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Table 1 Non-response analyses on the screening instrument and the baseline questionnaire

From: Advantages and disadvantages of an objective selection process for early intervention in employees at risk for sickness absence

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
  1. * Sickness absence data of only two companies were available.