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Table 1 Characteristics of the study population

From: The return-to-work process of individuals sick-listed because of whiplash-associated disorder: a three-year follow-up study in a Danish cohort of long-term sickness absentees

Variable Category WADª MSDb p-value (Chi-square test)
N (%) N (%)
Sex Male 26 (25) 1526 (48) < 0.001
  Female 78 (75) 1678 (52)  
Age 18–30 years 20 (19) 472 (15) < 0.001
  30–39 55 (53) 873 (27)  
  40–49 18 (17) 894 (28)  
  50–58 11 (11) 965 (30)  
Education Basic school 8–10th grade 20 (19) 1029 (33) 0.008
  General and vocational upper secondary school 6 (6) 129 (4)  
  Vocational education 56 (54) 1527 (49)  
  Short higher education 3 (3) 142 (5)  
  Medium higher education 16 (16) 238 (8)  
  Bachelor and longer higher education 2 (2) 68 (2)  
  1. ªSick-listed due to whiplash-associated disorder.
  2. bSick-listed due to other musculoskeletal disorders.