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Table 3 Duration of disabling back pain in the last 12 months in all participants of the occupational health check-up (2011–2014) and stratified by occupational status (n = 16,792)

From: Prevalence of back pain in employees of a German chemical company: results of a large cross-sectional study

  Total (n = 16,792) Manual workers (n = 5571) Skilled/super-visory workers (n = 7690) Managerial staff (n = 3531)
1–7 days 8–30 days > 30 days 1–7 days 8–30 days > 30 days 1–7 days 8–30 days > 30 days 1–7 days 8–30 days > 30 days
% % % % % % % % % % % %
Total 16.7 10.3 6.5 17.8 13.4 8.9 17.4 10.7 6.5 13.3 4.5 2.6
Sociodemographic characteristics
 Gender
  Male 17.0 10.8 6.6 17.8 13.7 8.9 18.2 11.1 6.4 13.1 4.8 2.4
  Female 15.4 8.3 6.0 16.5 7.1 9.1 15.7 10.0 6.6 13.9 3.4 3.0
 Marital status
  Single 14.5 6.4 3.6 15.6 8.3 4.8 14.5 6.3 3.0 12.0 1.8 2.5
  Married 17.0 11.0 7.1 18.2 14.8 10.3 18.0 11.7 7.3 13.3 4.7 2.3
  Divorced 20.2 13.9 8.1 20.9 17.9 9.6 20.5 12.7 7.7 17.4 8.1 6.2
  Widowed 11.6 16.3 12.4 15.2 12.1 15.2 10.7 17.3 10.7 9.5 19.1 14.3
Lifestyle-related characteristics
 Body-Mass-Index
  Normal weight (< 25 kg/m2) 15.1 7.5 4.8 16.7 10.2 7.1 16.0 8.5 5.3 12.6 3.8 2.4
  Overweight (25- < 30 kg/m2) 17.3 11.7 7.4 17.7 15.0 9.6 18.5 11.5 7.4 13.7 5.0 2.6
  Obesity (≥ 30 kg/m2) 18.3 12.9 7.7 18.9 13.4 9.4 18.2 13.8 7.0 15.8 5.6 3.3
 Smoking status
  Non-smoker 16.0 8.3 4.4 18.9 11.5 6.6 16.9 9.8 4.7 12.3 3.7 2.3
  Former smoker 17.5 13.1 9.2 16.1 16.3 11.2 18.5 11.9 9.0 18.0 7.7 3.8
  Smoker 17.4 12.2 8.6 17.9 13.0 9.6 17.3 12.0 8.1 13.8 6.2 3.3
Work-related characteristics
 Working time system
  Day work 16.3 9.3 5.8 17.9 13.9 9.3 17.5 10.3 6.3 a a a
  Shift work 17.6 13.0 8.3 17.7 13.0 8.7 17.4 12.9 7.3 a a a
 Work-related stress score             
  Q1 (0–6 points) 13.2 6.6 3.8 15.2 8.5 4.4 13.1 6.5 4.1 8.2 2.1 1.2
  Q2 (7–8 points) 16.6 9.3 5.2 17.8 12.5 7.6 17.9 9.6 4.9 11.6 3.5 1.7
  Q3 (9–10 points) 18.0 12.0 7.6 18.5 16.5 12.2 19.6 12.4 7.1 13.8 5.4 2.5
  Q4 (≥ 11 points) 20.1 14.5 10.4 23.0 20.9 16.3 20.2 15.9 10.9 17.4 6.5 4.3
Back-related variables
 Ever acquired a spinal injury due to an accident
  No 16.5 10.0 6.0 17.5 13.0 8.5 17.3 10.4 5.9 13.0 4.3 2.5
  Yes 21.6 17.5 16.4 23.8 22.3 20.2 20.4 17.1 17.4 21.4 9.2 5.1
 History of spondylopathy (ICD-10: M45-M49)
  No 16.6 10.1 6.1 17.8 13.1 8.5 17.4 10.6 6.1 13.2 4.5 2.5
  Yes 18.3 23.0 28.0 17.4 28.6 33.7 17.9 21.6 27.6 24.0 8.0 8.0
 History of other dorsopathy excluding back pain (ICD-10: M50-M53)
  No 15.7 8.1 3.9 16.9 10.0 5.2 16.4 9.0 4.2 12.7 3.9 1.6
  Yes 20.9 19.9 17.7 20.2 23.3 19.9 21.9 18.5 16.6 19.5 10.3 12.6
  1. aDue to the low number of managerial staff working shifts (n = 5), prevalence of disabling back pain regarding working time system has been omitted for this group; prevalence for missing categories has been omitted in the table. All percentages depicted in the table are row percentages