Table 5 Regression analysis of independent variables with 5 competency domains

Professional quality

1

Constant

4.012***

0.057

5.590**

Age

0. 168**

Working experience

0.009

Number of training trails

0.013

2

Constant

4.001***

0.061

8.389***

Age

0. 178***

Working experience

0.014

3

Constant

3.996***

0.058

14.971***

Age

0. 196***

Psychological resilience

1

Constant

4.040*

0.012

1.885

Age

0.067

Working experience

0.026

Number of training trails

0 011

2

Constant

4.005*

0.014

2.607

Age

0.096

Working experience

0 013

3

Constant

4.001*

0.013

4.057*

Age

0. 112*

Ability to assess aftermath

1

Constant

3.401***

0.051

5.110***

Age

0. 119

Working experience

0.054

Number of training trails

0.018

2

Constant

3.328***

0.050

6.887***

Age

0. 179***

Number of training trails

0.022

Emergency knowledge

1

Constant

3. 164***

0.052

5.099***

Age

0. 173*

Working experience

0.036

Number of training trails

0 007

2

Constant

3. 169***

0.055

7.526***

Age

0. 175*

Working experience

0 042

3

Constant

3. 112***

0.054

13.996***

Age

0.226***

Emergency skills

1

Constant

3.311***

0.052

5.099***

Age

0.240***

Working experience

-0.002

Number of training trails

0.011

2

Constant

3.314***

0.055

7.526***

Age

0.237***

Working experience

0.011

3

Constant

3.311***

0.054

13.996***

Age

0.251***