Table 4 Regression analysis results

Age (≤25 vs. ≥36)

-12.030

2.724

-4.416

<0.001

Age (26~30 vs. ≥36)

-1.733

2.049

-0.845

0.398

Age (31~35 vs. ≥36)

-1.846

1.747

-1.057

0.291

Years of Working (<5 vs.5~15)

7.995

2.192

3.647

<0.001

Years of Working (16~25 vs.5~15)

0.068

1.715

0.040

0.968

Years of Working (≥25 vs.5~15)

-0.713

2.215

-0.322

0.748

Professional title (registered nurses vs. senior nurse)

4.908

2.834

1.732

0.084

Professional title (supervisor nurses vs. senior nurse)

-2.328

1.459

-1.596

0.111

Professional title (cochief nurses or above vs. senior nurse)

-1.064

2.622

-0.406

0.685

Job category (permanently employed vs. temporarily employed)

-2.100

1.158

-1.813

0.070

Monthly night shift frequency (<5 vs.5~7)

-1.128

1.420

-0.794

0.427

Monthly night shift frequency (<5 vs. >7)

-3.140

1.412

-2.223

0.027

Annual conference (2<vs. ≥ 2)

6.126

1.353

4.527

<0.001

R²

0.169

Adjusted R²

0.146