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