Table 5 Regression analyses of ICF-factors on material handling and static work functional capacity

Material handling

Lifting low

Constant

−58.88

12.74

−4.62

<.001

R ² = 0.62

Gender (Male)

8.58

1.62

5.30

<.001

Body height (cm)

0.26

0.08

3.21

0.001

Body weight (kg)

0.14

0.05

2.65

0.008

Glenohumeral abduction strength (N)

0.05

0.02

2.60

0.01

Elbow extension strength (N)

0.07

0.02

4.61

<.001

Aerobic capacity (ml/min/kg)

0.28

0.08

3.47

0.001

Sport-index^†

1.21

0.45

2.68

0.008

Physical workloads (DOT) ^‡

1.72

0.58

2.97

0.003

Overhead lifting

Constant

−1.93

1.40

−1.37

0.17

R ² = 0.62

Gender (Male)

3.95

0.65

6.09

<.001

Handgrip strength (kg)

0.13

0.03

4.99

<.001

Elbow extension strength (N)

0.04

0.01

5.91

<.001

Aerobic capacity (ml/min/kg)

0.10

0.03

3.46

0.001

Physical workloads (DOT) ^‡

0.79

0.23

3.44

0.001

Carrying

Constant

−48.56

11.69

−4.15

<.001

R ² = 0.61

Gender (Male)

6.09

1.6

3.81

<.001

Body height (cm)

0.26

0.07

3.80

<.001

Handgrip strength (kg)

0.17

0.06

2.78

0.006

Glenohumeral abduction strength (N)

0.06

0.02

3.37

0.001

Elbow extension strength (N)

0.07

0.02

4.46

<.001

Aerobic capacity (ml/min/kg)

0.27

0.068

4.00

<.001

Physical workloads (DOT) ^‡

1.53

0.52

2.92

0.004

Standing forward bend

Constant

439.36

109.63

4.01

<.001

R ² = 0.05

Body weight (kg)

−3.86

1.13

−3.41

0.001

Aerobic capacity (ml/min/kg)

5.66

2.04

2.78

0.006

Emotional exhaustion^||

1.57

0.58

2.73

0.007

Overhead working

Constant

177.01

39.54

4.48

<.001

R ² = 0.15

Body weight (kg)

−1.52

0.49

−3.09

0.002

Handgrip strength (kg)

2.65

0.56

4.74

<.001

Aerobic capacity (ml/min/kg)

2.88

0.77

3.74

<.001

Skill discretion^||

−0.77

0.19

−4.04

<.001