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Table 3 Decomposition of E of poor mental health (n = 130,078)

From: Decomposing socioeconomic inequality in poor mental health among Iranian adult population: results from the PERSIAN cohort study

 

Coefficient

Concentration index

Contribution

Contribution%

Summed

Age groups

    

12.703

 35–40

Ref.

–

–

–

 40–45

.0894003

0.0524

0.0001

−1.2071

 45–50

.2150607

0.030

0.0002

−1.6621

 50–55

.3051117

−0.0048

−0.0000

0.3805

 55–60

.3049626

−0.0577

− 0.0005

4.5390

 60–65

.2760597

−0.0788

−0.0007

5.6091

 65 and older

.308196

−0.0635

−0.0006

5.0436

Gender

    

19.927

 Male

−.43360

0.1783

−0.0024

19.9270

 Female

Ref.

–

–

–

Marital status

    

1.9963

 Single

Ref.

   

 Married

−0.0611

0.0933

−0.0002

1.4656

 Divorced

0.0217

−0.0779

−0.0001

0.4353

 Widowed

0.0879

−0.005

−0.0000

0.1132

 Other

−0.0986

−0.0007

0.0000

−0.0178

Water-pipe use

    

−1.1424

 No

Ref.

   

 Yes

0.0623

0.0712

0.0001

−1.1424

Alcohol Use

    

0.8492

 No

Ref.

   

 Yes

−0.0487

0.0677

−0.0001

0.8492

Drug use

    

0.3762

 No

Ref.

   

 yes

0.1552

−0.0094

−0.0000

0.3762

Smoking status

    

−0.1247

 Non-smoker

Ref.

   

 Ex-smoker

0.21844

−0.0006

−0.0000

0.0336

 Smoker

0.12433

0.0049

0.0000

−0.1583

BMI

    

−0.7472

 Underweight

0.01042

−0.0225

−0.0000

0.0605

 Normal

Ref.

   

 Overweight

0.02785

0.0784

0.0001

−0.5632

 Obese

0.04223

0.0225

0.0000

−0.2445

Physical activity (Daily METs)

    

−5.7784

 Inactive (24–36.5)

Ref.

   

 Middle (36.6–44.9)

−0.1956

0.0703

−0.0004

3.5431

 Active (≥45)

−0.3385

−0.1068

0.0011

−9.3215

Socioeconomic status

    

10.0531

 1st SES quintile (Poorest)

Ref.

   

 2nd SES quintile

0.03825

−0.3191

−0.0004

3.1463

 3rd SES quintile

0.05155

0.0012

0.0000

−0.0154

 4th SES quintile

0.00051

0.3197

0.0000

−0.0421

 5th SES quintile (Richest)

−0.04223

0.6397

−0.0008

6.9643

Region of cohort (province)

    

−11.0293

 Fars (FA)

Ref.

   

 Kermanshah (KSH)

−0.3517

−0.0209

0.0002

−1.8938

 Guilan (GU)

0.19355

−0.0483

−0.0003

2.4108

 East Azerbaijan (EA)

0.1363

−0.0057

−0.0000

0.1992

 Mazandaran (MA)

0.3011

0.0461

0.0004

−3.5757

 Sistan and Balouchestan (SB)

0.3056

0.0082

0.0001

−0.6435

 Yazd (YA)

0.0654

0.0536

0.0001

−0.9046

 Kerman (KE)

0.1688

0.0847

0.0004

−3.6822

 Khuzestan (KH)

−0.6571

−0.0497

0.0010

−8.4243

 Chaharmahal and Bakhtiari (CB)

0.0956

0.0921

0.0003

−2.2701

 Hormozgan (HO)

−0.2641

−0.0056

0.0000

−0.3815

 West Azerbaijan (WA)

−0.1006

−0.0183

0.0001

−0.4738

 Ardabil (AR)

−0.1215

0.0551

−0.0002

1.7239

 Razavi Khorasan (RK)

−0.4975

0.0537

−0.0008

6.8863

 Total

    

27.083

 Residual

    

72.917

 The E

  

−0.012

 

100.0

  1. Physical activity (Daily METs): A MET is equal to resting metabolic rate, the amount of oxygen consumed at rest that is about 3.5 ml 02/kg/min
  2. Ref. indicated reference group in the regression estimation
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BMC Psychiatry

ISSN: 1471-244X

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