Table 4 Multiple factor logistic regression of hierarchical impact factors

 20–24

Ref

Ref

 25–29

0.674

0.407

1.116

0.0007

0.879

0.442

1.749

<.0001

 30–39

1.165

0.793

1.712

0.9662

0.895

0.456

1.759

0.6976

  ≥ 40

2.253

1.026

4.950

0.0307

1.119

0.314

3.986

0.8191

 Nurse

Ref

Ref

 Teaching nurse

0.636

0.407

0.995

0.5363

0.638

0.466

0.874

0.0334

 Team leader

0.395

0.237

0.659

0.0016

1.128

0.327

3.890

0.9863

 Head nurse

1.348

0.740

2.455

0.0118

2.189

1.137

4.211

<.0001

 Low

Ref

Ref

 Very high

1.148

0.912

1.445

<.0001

1.185

0.919

1.528

<.0001

 High

0.435

0.273

0.693

<.0001

<0.001

<0.001

<0.001

<.0001

Psychological stress scale

1.026

1.012

1.041

0.0004

1.035

1.018

1.052

<.0001