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Table 3 Multivariate logistic regression analysis assessing factors associated with the occurrence of Lower limb pain in a representative sample of 8000 Italian workers

From: Prevalence of work related musculoskeletal disorders in Italian workers: is there an underestimation of the related occupational risk factors?

Variable OR 95% CI
Sex
 Male ref  
 Female 1.23 1.08–1.41
 Age
  19–24 0.91 0.69–1.20
  25–34 0.99 0.84–1.16
  35–44 ref  
  45–54 1.38 1.21–1.58
  55–64 1.95 1.64–2.32
 Educational level
  Lower secondary ref  
  Upper secondary 0.78 0.67–0.90
  Graduate and post graduate 0.68 0.56–0.82
 BMI
  Underweight 1.07 0.74–1.55
  Normal ref  
  Overweight 1.38 1.22–1.55
  Obese 2.37 1.96–2.86
 Occupational sector
  Agriculture, fishing, and hunting 0.98 0.67–1.44
  Manufacturing/Primary industry/Mining/Utilities ref  
  Construction 1.05 0.81–1.36
  Wholesale and retail trade/Automotive and motorcycle repair/Accommodation and food services 1.33 1.12–1.57
  Transportation and warehousing/Information and communication 0.85 0.68–1.06
  Professional, financial and business services 0.96 0.77–1.19
  Healthcare and social assistance 1.22 0.97–1.53
  Education services/Public administration, social security 1.07 0.87–1.32
  Other public and personal services 0.99 0.78–1.25
 Occupational position
  Top and middle manager 0.65 0.46–0.94
  White collar 0.94 0.69–1.28
  Blue collar 1.02 0.74–1.40
  Apprentice or other type of employment ref  
 Working hours
  1–34 h/week 1.22 1.07–1.41
  35–40 h/week ref  
  41–48 h/week 1.12 0.92–1.36
   > =49 h/week 0.87 0.68–1.13
 Shift work
  No ref  
  Yes 1.21 1.07–1.36
 Biomechanical and Ergonomic risk
  No Risk Perceived/No Risk Detected ref  
  Risk Perceived /Risk Detected 1.63 1.36–1.94
  No Risk Perceived/Risk Detected 1.16 0.91–1.47
  Risk Perceived /No Risk Detected 1.45 1.28–1.65
 Video Display Terminal risk
  No Risk Perceived/No Risk Detected ref  
  Risk Perceived /Risk Detected 0.79 0.67–0.92
  No Risk Perceived/Risk Detected 0.72 0.57–0.90
  Risk Perceived /No Risk Detected 0.97 0.84–1.12
 Work-related stress
  Low ref  
  Moderate 1.20 1.03–1.41
  High 1.45 1.22–1.73
  Very high 1.75 1.47–2.08
 Anxiety
  No ref  
  Yes 1.70 1.48–1.96
 Depression
  No ref  
  Yes 1.35 1.12–1.64
 Insomnia
  No ref  
  Yes 1.62 1.44–1.84