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Table 1 Demographic and professional variables of the whole sample and in the two groups of high vs. low stress reactivity+

From: Self-perceived stress reactivity is an indicator of psychosocial impairment at the workplace

Characteristic Total
(n = 174)
Group with low
stress reactivity
(n = 88)
Group with high
stress reactivity
(n = 86)
P value
Demographic variables
Age (years) 40.9 (7.8) 41.3 (7.5) 40.5 (8.1) .477 c
Males 171 (98.3%) 87 (98.9%) 84 (97.7%) .618 b
Education     
   Low 99 (56.9%) 44 (50.0%) 55 (64.0%) < .001 b
   Middle 34 (19.5%) 11 (12.5%) 23 (26.7%)  
   Master degree 41 (23.6%) 33 (37.5%) 8 (9.3%)  
Professional variables
Professional status     
   Middle Management 74 (54.4%) 34 (47.9%) 40 (61.5%) .343 b
   Middle Management deputy 29 (21.3%) 18 (25.4%) 11 (16.9%)  
   Team supervisors 33 (24.3%) 19 (20.8%) 14 (21.5%)  
   Others 38 (21.8%) 17 (19.3%) 21 (24.4%)  
Shift work 109 (62.6%) 55 (62.5%) 54 (62.8%) 1.000 b
Hours of work overtime per month in h (not paid) 1.9 (7.34) 2.5 (9.7) 1.4 (3.9) .973 a
Daily break time in min 36.8 (10.4) 38.0 (10.1) 35.6 (10.7) .117 a
Self-reported sick leave days     
   0 days 1-10 days 97 (55.7%) 48 (54.5%) 49 (57.0%) .911 b
   1-10 days 55 (31.6%) 28 (31.8%) 27 (31.4%)  
   Over 10 days 22 (12.6%) 12 (13.6%) 10 (11.6%)  
  1. + = mean (SD), unless otherwise stated.
  2. a = Mann Whitney U-test
  3. b = Chi2 test
  4. c = t-test