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Table 4 Multivariate and bivariate associations between depression and other mental health measures

From: Depression and its associated factors: perceived stress, social support, substance use and related sociodemographic risk factors in medical school residents in Nairobi, Kenya

Multivariate analysis

Parameter

β

95% Wald Confidence Interval

Sig.

Variable

Category

Lower

Upper

Gender

Female

2.93

0.844

5.019

0.006*

 

Male

Ref

   

Medical specialty

Internal medicine

3.24

−0.679

7.158

0.105

 

Pediatrics

5.57

1.508

9.624

0.007*

 

Obstetrics and Gynecology

4.27

0.574

7.958

0.024*

 

General surgery

1.82

−2.275

5.917

0.384

 

ENT surgery

4.61

0.169

9.040

0.042*

 

Cardiothoracic

0.69

−5.923

7.320

0.836

 

Anesthesia

3.79

−0.348

7.935

0.073

 

Psychiatry

Ref

   

Hours of exercise per week

0 h.

1.25

−1.532

4.025

0.379

 

<  1 h

−1.23

−4.042

1.579

0.391

 

1–2.5 h

−1.05

−3.895

1.792

0.469

 

> 2.5 h

Ref

   

Hobbies

Yes

− 1.84

−3.998

0.325

0.096

 

No

Ref

   

Family depression

Yes

1.85

−0.408

4.117

0.108

 

No

Ref

   

Previous diagnosis of depression

Yes

10.07

6.136

14.007

< 0.001*

 

No

Ref

   

Current illness other than depression

Yes

3.06

0.095

6.023

0.043*

 

No

Ref

   

Total household income per month in Kenyan Shillings

10,000 – 50,000

4.54

0.878

8.202

0.015*

 

51,000 – 100,000

2.04

−1.075

5.153

0.199

 

101,000 – 150,000

3.01

0.792

5.232

0.008*

 

> 150,000

Ref

   

Sleep hours

−0.68

−1.125

−0.242

0.002*

Total PHEEM

−0.01

−0.05

0.026

0.529

Total PSS

0.71

0.556

0.863

< 0.001*

Total MSPSS

−2.19

−3.023

−1.357

< 0.001*

Total ASSIST

0.07

−0.001

0.137

0.053

Bivariate Analysis

Variable

Category

β

95% Confidence Interval

Lower

Upper

Sig.

Gender

Female

4.48

1.91

7.05

0.001*

 

Male

Ref.

   

Hobbies

Yes

−4.61

−7.56

−1.65

0.002*

 

No

Ref.

   

Family depression

Yes

6.43

3.31

9.54

< 0.001*

 

No

Ref.

   

Previous diagnosis of depression

Yes

15.08

9.78

20.38

< 0.001*

 

No

Ref.

   

Current illness other than depression

Yes

7.40

3.24

11.56

< 0.001*

 

No

Ref.

   

Medical specialty

Internal medicine

−0.17

−5.47

5.14

0.951

 

Paediatrics

5.19

−0.25

10.63

0.061

 

Obstetrics and Gynaecology

3.07

−2.03

8.17

0.238

 

General surgery

−2.15

−7.67

3.38

0.446

 

ENT surgery

2.67

−3.53

8.87

0.398

 

Cardiothoracic surgery

−7.05

−15.98

1.88

0.122

 

Anaesthesia

0.09

−5.68

5.86

0.975

 

Psychiatry

Ref.

   

Hours of exercise per week

0 h

5.58

1.84

9.32

0.003*

 

<  1 h

0.92

−2.99

4.82

0.645

 

1–2.5 h

2.03

−2.02

6.08

0.326

 

> 2.5 h

Ref.

   

Total household income per month in Kenyan Shillings

10,000 – 50,000

8.27

2.93

13.61

0.002*

 

51,000 – 100,000

−0.09

−4.45

4.27

0.968

 

101,000 – 150,000

3.07

−0.09

6.24

0.057

 

> 150,000

Ref.

   

Sleep hours

 

−1.29

−1.88

−0.71

< 0.001*

Total PHEEM

 

−0.14

−0.18

− 0.09

< 0.001*

Total PSS

 

1.10

0.95

1.25

< 0.001*

Total MSPSS

 

−4.58

−5.57

−3.59

< 0.001*

Total ASSIST

 

0.17

0.07

0.26

0.001*

  1. *Correlation is significant at the 0.05 level