Skip to main content

Table 2 Decomposition of socioeconomic inequality in overweight and obesity in the included population

From: Socioeconomic - related inequalities in overweight and obesity: findings from the PERSIAN cohort study

Variables

Overweight

Obesity

Elasticity

Concentration index (Ck)

percentage contribution

Summed Percentage Contribution

Elasticity

concentration Index (CK)

percentage contribution

Summed Percentage Contribution

Sex

male

   

−3.74

   

3.53

female

0.082

−0.025

−3.74

0.338

0.006

3.530

Age

35–44

   

−1.38

   

3.29

45–54

0.028

0.031

1.52

0.061

0.035

4.012

55–64

0.013

−0.134

−3.02

0.019

−0.128

−4.471

> = 65

0.000

−0.315

0.12

−0.006

−0.317

3.745

Marital status

single

   

2.91

   

4.64

married

0.329

0.021

12.23

0.565

0.021

22.741

others (widow, divorced)

0.019

−0.267

−9.32

0.042

−0.230

−18.106

Smoking status

never smoked

   

6.34

   

9.97

current smoker

−0.039

−0.091

6.38

−0.048

−0.115

10.396

Former smoker

0.001

−0.036

−0.04

0.004

−0.063

−0.426

Use Hookah

no

   

2.06

   

27.89

yes

0.009

0.123

2.06

0.145

0.103

27.887

Drug abuse

no

   

3.75

   

3.04

yes

−0.020

−0.104

3.75

−0.014

−0.120

3.043

Alcohol use

no

   

1.23

   

0.93

yes

0.006

0.112

1.23

0.006

0.088

0.931

Physical activity (METs/hour/day)

 

−0.298

−0.017

9.42

9.42

−0.706

−0.017

22.742

22.74

Province

Fars

   

22.62

   

56.19

Guilan

0.003

−0.144

−0.86

0.015

−0.138

−3.871

Sistan and Baluchestan

−0.031

−0.360

19.86

−0.056

−0.384

40.266

Kermanshah

0.003

−0.063

−0.385

0.026

−0.077

−10.846

Chaharmahal and Bakhtiari

0.005

0.157

1.31

0.017

0.163

5.212

Mazandaran

−0.012

0.028

−0.62

−0.013

0.022

−0.517

Razavi Khorasan

0.004

0.204

1.46

0.015

0.206

5.735

Kerman

−0.003

0.285

−1.62

0.002

0.283

0.948

West Azarbaijan

0.000

−0.1860

−0.08

0.016

−0.130

−3.987

Hormozgan

0.001

0.477

0.83

0.002

0.441

1.353

Yazd

−0.005

−0.060

0.58

−0.006

−0.082

0.942

Khouzestan

0.002

−0.118

−0.40

0.008

−0.121

−1.749

East Azarbaijan

0.010

0.266

4.66

0.031

0.267

15.574

Ardabil

−0.003

0.602

−3.07

−0.004

0.602

−5.062

Socioeconomic status (SES)

1st quintile (the lowest)

   

66.77

   

89.07

2nd quintile

0.022

−0.372

−14.89

0.037

−0.362

−24.913

3rd quintile

0.030

0.017

0.91

0.054

0.051

5.136

4th quintile

0.038

0.398

27.32

0.060

0.449

50.825

5th quintile (the highest)

0.037

0.794

53.43

0.038

0.821

58.022

Explained

    

110.00

   

221.28

Residuals

    

−10.00

   

−121.28

Total

    

100.00

   

100.00

  1. Note: MET = Metabolic Equivalent of Task