Table 5 Internal consistency of the fourteen subscales

Sub scale 1: Office equipment

.51

10.11.12.16

Sub scale 2: Computer position

.75

14.15

Sub scale 3: Awkward body posture

.71

18.19.20.21.22

Sub scale 4: Head and body posture

.54

25.26.27

Sub scale 5: Decision authority

.76

28.29.30.31.32

Sub scale 6: Skill discretion

.69

33.34.35.36

Sub scale 7: Work pressure

.80

37.38.39.40.41

Sub scale 8: Task complexity

.84

42.43

Sub scale 9: Social support

.80

64.65.66.67.68

Sub scale 10: Work flow

.60

61.62.63

Sub scale 11: Autonomy

.71

44.45.46

Sub scale 12: Break quality

.70

47.48.49.50