Table 2 Comparisons of daily work activities performed by workload levels; data acquired using daily surveys

Working hour^≠ (hours)

8.0 (1.45)

9.33 (2.04)

6.65 (2.07)

8.93 (2.04)

Work break (hours)

0.93 (0.45)

1.05 (0.58)

0.64 (0.24)

1.01 (0.55)

Sitting (hours)

6.58 (1.07)

1.90 (1.32)

0.72 (1.09)

2.87 (2.34)

Standing (hours)

0.53 (0.56)

2.62 (2.18)

4.5 (2.25)

2.24 (2.17)

Walking (hours)

0.61 (0.48)

3.83 (2.30)

3.06 (2.27)

3.01 (2.43)

Kneeling (hours)

0.38 (0.18)

0.64 (0.43)

2 (0)

0.65 (0.45)

Squatting (hours)

0.05 (0.05)

0.51 (0.38)

1.17 (0.68)

0.54 (0.44)

Lifting (kg)

0 (0)

7.29 (7.28)

10.75 (13.07)

7.42 (7.50)

Lifting (times)

0 (0)

123 (250.0)

41 (40.34)

120 (245.83)

Carrying (kg)

0.5 (0)

7.38 (5.93)

14 (13.89)

7.53 (6.35)

Carrying (times)

0 (0)

129 (291.7)

7 (2.89)

124 (286.08)

Climbing (number of stairs)

43 (56)

72 (145)

5 (0)

67 (136)