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Table 3 Results for decomposition of concentration index of mental health in Tehran

From: Understanding determinants of socioeconomic inequality in mental health in Iran's capital, Tehran: a concentration index decomposition approach

Variable

Mean

Elasticity

Cka

Absolute contribution to

Cb

Percentage contribution to C (%)

Gender (male)

     

Gender (female)

.6047

.0967

-.0057

-.0005

.9

Ethnicity (Fars)

.5918

-.0175

.0667

-.0011

 

Ethnicity (Azeri)

     

Ethnicity (other)

.1513

-.002

-.0807

.0001

1.9

Employment status (employed)

     

Employment status (unemployed)

.3819

.0306

-.1114

-.0034

6.5

SES (richest)

     

SES(second richest)

.2133

.0084

.3595

.003

 

SES(middle)

.214

.0107

-.0678

-.0007

 

SES(second poorest)

.2132

.0197

-.4951

-.0097

 

SES(poorest)

.1458

.0186

-.8542

-.0158

44.7

Education (academic)

     

Education (pre-academic)

.6834

.047

-.0388

-.0018

 

Education (illiterate)

.101

.0112

-.4714

-.0052

13.4

Health insurance (have)

     

Health insurance (not have)

.2658

.0125

-.13

-.0016

3

Marital status (married)

.8653

.0018

.0435

.000

 

Marital status (widowed)

.0973

.0035

-.3353

-.0011

 

Marital status (divorced)

.0171

.0030

-.1063

-.0003

 

Marital status (single)

    

2.5

Age group (15-24)

.2387

-.0434

.1172

-.005

 

Age group (25-44)

.4387

-.0656

.0235

-.0015

 

Age group (45-64)

.2291

-.0171

.0154

-.0002

 

Age group (≥ 65)

    

13.1

Household size (1)

     

Household size (2-5)

.8693

-.0233

.0231

-.0005

 

Household size (≥ 6)

.0861

.0028

.0577

.0001

.6

District 1

.042

.0044

.3335

.0014

 

District 2

.0421

.0066

.3206

.0021

 

District 3

     

District 4

.0696

.017

.1041

.0017

 

District 5

.0655

.0093

.2709

.0025

 

District 6

.0414

.0044

.2432

.001

 

District 7

.0415

.0078

.0417

.0003

 

District 8

.0475

.0105

.0464

.0004

 

District 9

.0419

.007

-.1328

-.0009

 

District 10

.0421

.0093

-.2218

-.002

 

District 11

.0429

.0055

-.1038

-.0005

 

District 12

.0432

.0062

-.129

-.0007

 

District 13

.0428

.0105

-.0301

-.0003

 

District 14

.0521

.0115

-.1194

-.0013

 

District 15

.0482

.0482

.0482

-.0026

 

District 16

.0422

.0422

.0422

-.0028

 

District 17

.0423

.0423

.0423

-.003

 

District 18

.0434

.0434

.0434

-.0014

 

District 19

.0412

.0412

.0412

-.0016

 

District 20

.0433

.0109

-.169

-.0018

 

District 21

.0426

.0091

.1167

.001

 

District 22

.0419

.0091

.2132

.0019

12.5

Ln odds of the mental health

3.036

 

-.0518

-.0518 (total sum)

 

Residual component

 

-.0119

   
  1. a C k = concentration index of explanatory variables (determinants)
  2. b C = concentration index of mental health