Table 4 Multinomial logistic regression analysis of potential categories of medical students' volunteer motivation

Gender(Ref:male)

 Female

-0.382

0.175

4.764

0.029**

0.683

0.484

0.962

-0.348

0.101

11.867

 < 0.001**

0.706

0.579

0.861

Grade(Ref:Fifth Grade)

 First Grade

0.250

0.874

0.082

0.775

1.283

0.231

7.117

0.678

0.628

1.165

0.280

1.969

0.575

6.744

 Second Grade

0.458

0.876

0.274

0.601

1.581

0.284

8.794

0.952

0.629

2.288

0.130

2.590

0.755

8.891

 Third Grade

0.390

0.913

0.182

0.669

1.477

0.247

8.835

0.665

0.652

1.038

0.308

1.944

0.541

6.982

 Forth Grade

0.999

1.261

0.628

0.428

2.715

0.229

32.122

1.798

0.873

4.244

0.039*

6.036

1.091

33.383

Place of origin(Ref:Rural)

 Urban

-0.037

0.174

0.045

0.832

0.964

0.686

1.355

-0.189

0.103

3.350

0.067

0.828

0.676

1.013

Student leaders(Ref:No)

 Yes

-0.199

0.168

1.395

0.237

0.820

0.590

1.140

-0.159

0.098

2.632

0.105

0.853

0.704

1.034

 Perceived Stress

0.044

0.015

8.748

0.003**

1.045

1.015

1.076

0.019

0.008

5.513

0.019*

1.019

1.003

1.036

 Perceived Social Support

-0.093

0.006

206.277

 < 0.001**

0.911

0.899

0.923

-0.050

0.004

199.049

 < 0.001**

0.951

0.944

0.958