Table 2 Comparison of working environments among the three groups

Exposure to musculoskeletal and mental work risk factors (score)

4.63 ± 0.75

4.71 ± 0.67

4.97 ± 0.73

27.790

<0.001

A>C, B>C

Working patterns (number/month)

7.92 ± 14.55

8.96 ± 10.52

6.94 ± 9.16

9.279

<0.001

A>C, B>C

Work-family balance (score)

3.53 ± 0.89

3.65 ± 0.73

3.74 ± 0.94

6.712

0.001

A>C

Working situation (score)

2.55 ± 0.48

2.74 ± 0.48

2.61 ± 0.55

10.028

<0.001

A>B, C>B

Self-health status evaluation (score)

2.06 ± 0.62

2.22 ± 0.57

2.44 ± 0.67

45.026

<0.001

A>B>C

Working environment satisfaction (score)

2.14 ± 0.50

2.22 ± 0.48

2.32 ± 0.57

14.911

<0.001

A>C