Table 6 Multiple logistic regression analysis of the associations between depression and influencing factors

Field of study (human medicine)

Health sciences

 − .386

.154

.679

.399

1.156

Scientific non-health majors

 − .379

.188

.684

.389

1.204

Literary majors

 − .363

.193

.696

.403

1.201

Gender (male)

Female

 − .232

.244

.793

.537

1.171

Study year (first year)

Second year

 − 1.460

.176

.232

.028

1.928

Third year

 − .655

.543

.520

.063

4.290

Fourth year

 − .815

.452

.442

.053

3.698

Fifth year

 − 1.083

.317

.339

.041

2.825

Sixth year

 − .066

.954

.936

.099

8.890

Sleeping duration (less than 6 h)

6 to 8 h

.186

.550

1.205

.654

2.221

More than 8 h

 − .244

.375

.784

.457

1.343

Smoking (no)

Yes

 − .754

0.003

.471

.285

.777

Source of food (homemade food)

Restaurants

 − .083

.653

.920

.641

1.321

Homemade food and restaurants

1.912

.000

6.767

2.612

17.529

Place of residence (village)

City

.127

.763

1.135

.497

2.593

Camp

 − .126

.765

.882

.387

2.010