Table 2 Statistical distribution of demographics characteristics and studied variables in the participants

Demographic parameters

Age (years)

20 – 56

38.21

10.17

Weight (kilogram)

51.00 – 112.00

79.44

10.74

Work experience (year)

1 – 34

15.86

9.39

Height (meter)

1.55 – 1.93

1.76

0.06

Body mass index (kilogram per square meter)

16.98 – 34.72

25.27

3.36

Physical activity (hours per week)

0 – 20

2.85

2.29

Occupational parameters

Posture group A

1 - 9

4.76

1.93

Posture group B

1 - 8

4.66

2.02

Coupling

0 - 4

1.29

1.28

Contact stress

0 – 4

0.52

0.28

Load

0 – 4

0.94

0.69

Force

0 – 4

1.27

1.20

Static activity

0 – 4

2.29

1.06

Repetitive activity

0 – 4

2.09

1.19

Rapid movement

0 – 4

1.24

1.21

Throwing motion

0 – 4

1.14

0.98

Hand – arm vibration

0 – 4

1.14

0.65

Whole body vibration

0 – 4

1.01

0.47

Air temperature

0 – 4

1.24

1.15

Work – rest cycle

0 – 4

2.78

0.77

CMDQ score

0 - 1674

536.82

511.51