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Table 1 Characteristics of study population

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

Variable N %
Sociodemographic characteristics
 Sex
  Males 4313 53.9%
  Females 3685 46.1%
 Age
  19–24 376 4.7%
  25–34 1543 19.3%
  35–44 2566 32.1%
  45–54 2413 30.2%
  55–64 1100 13.8%
 Educational level
  Lower secondary 1741 21.8%
  Upper secondary 4184 52.3%
  Graduate and post graduate 2003 25.0%
  Do not answer 70 0.9%
 BMI
  Underweight 169 2.1%
  Normal 4153 51.9%
  Overweight 3007 37.6%
  Obese 669 8.4%
Occupational characteristics
 Occupational sector
  Agriculture, fishing, and hunting 171 2.1%
  Manufacturing/Primary industry/Mining/Utilities 1867 23.3%
  Construction 435 5.4%
  Wholesale and retail trade/Automotive and motorcycle repair/Accommodation and food services 1407 17.6%
  Transportation and warehousing/Information and communication 649 8.1%
  Professional, financial and business services 950 11.9%
  Healthcare and social assistance 708 8.9%
  Education services/Public administration, social security 1206 15.1%
  Other public and personal services 605 7.6%
 Occupational position
  Top and middle manager 740 9.3%
  White collar 3334 41.7%
  Blue collar 3653 45.7%
  Apprentice or other type of employment 271 3.4%
 Type of contract
  Permanent job contract 6796 85.0%
  Temporary job contract 815 10.2%
  Others 387 4.8%
 Firm size
  1 to 9 1251 15.6%
  10 to 49 1566 19.6%
  50–249 1713 21.4%
   ≥ 250 3136 39.2%
  Do not know 332 4.2%
 Working hours
  1–34 h/week 1864 23.3%
  35–40 h/week 5004 62.6%
  41–48 h/week 700 8.8%
  49–54 h/week 265 3.3%
   > =55 h hours/week 165 2.1%
 Shift work
  Yes 2588 32.4%
  No 5410 67.6%
 Night shifts
  Never 7317 91.5%
  1 to 2 times/week 426 5.3%
   > 2 times/week 255 3.2%
 Work experience
   < 1 year 49 0.6%
  1–5 years 358 4.5%
  6–10 years 872 10.9%
  11–15 years 1114 13.9%
   > 15 years 5605 70.1%
Risk perception and health surveillance at work
 Biomechanical and Ergonomic risk
  No Risk Perceived/No Risk Detected 3928 49.1%
  Risk Perceived /Risk Detected 935 11.7%
  No Risk Perceived/Risk Detected 498 6.2%
  Risk Perceived /No Risk Detected 2639 33.0%
 Video Display Terminal risk
  No Risk Perceived/No Risk Detected 3586 44.8%
  Risk Perceived /Risk Detected 1879 23.5%
  No Risk Perceived/Risk Detected 636 8.0%
  Risk Perceived /No Risk Detected 1899 23.7%
Other health-related aspects
 Work-related stress risk
  low 2035 25.4%
  moderate 2331 29.1%
  high 1650 20.6%
  very high 1982 24.8%
 Anxiety
  Yes 1396 17.5%
  No 6595 82.4%
  Do not know 7 0.1%
 Depression
  Yes 615 7.7%
  No 7383 92.3%
 Insomnia
  Yes 2033 25.4%
  No 5961 74.5%
  Do not know 4 0.1%
 Information on health and safety at work
  Yes 7038 88.0%
  No 960 12.0%
 Training on health and safety at work
  Yes 6131 76.6%
  No 1867 23.3%
Total 8000  
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