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Table 1 Principal component analysis of physical work factors

From: Psychosocial work environment and emotional exhaustion among middle-aged employees

Items

1 Work including physical and

chemical exposures

2 Physically strenuous

work

3 Office work

4 Working in upright

position

Awkward postures

 

0.841

  

Rotation of back

 

0.853

  

Repetitive movements

 

0.805

  

Lifting or carrying heavy loads

 

0.575

  

Sitting

  

0.668

 

Working with display terminal

  

0.908

 

Working with computer mouse

  

0.895

 

Standing

   

0.878

Walking

   

0.804

Noise

0.422

   

Vibration

0.590

   

Weak or distracting lighting

0.642

   

Gases or irritant substances

0.523

   

Heat, chilliness, draft or changes of temperature

0.661

   

Dryness of air

0.574

   

Dust and dirtiness

0.739

   

Wetness and humidity

0.682

   

Mould

0.546

   
  1. Component loadings.