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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

VariablesOverweightObesity
ElasticityConcentration index (Ck)percentage contributionSummed Percentage ContributionElasticityconcentration Index (CK)percentage contributionSummed Percentage Contribution
Sexmale   −3.74   3.53
female0.082−0.025−3.740.3380.0063.530
Age35–44   −1.38   3.29
45–540.0280.0311.520.0610.0354.012
55–640.013−0.134−3.020.019−0.128−4.471
> = 650.000−0.3150.12−0.006−0.3173.745
Marital statussingle   2.91   4.64
married0.3290.02112.230.5650.02122.741
others (widow, divorced)0.019−0.267−9.320.042−0.230−18.106
Smoking statusnever smoked   6.34   9.97
current smoker−0.039−0.0916.38−0.048−0.11510.396
Former smoker0.001−0.036−0.040.004−0.063−0.426
Use Hookahno   2.06   27.89
yes0.0090.1232.060.1450.10327.887
Drug abuseno   3.75   3.04
yes−0.020−0.1043.75−0.014−0.1203.043
Alcohol useno   1.23   0.93
yes0.0060.1121.230.0060.0880.931
Physical activity (METs/hour/day) −0.298−0.0179.429.42−0.706−0.01722.74222.74
ProvinceFars   22.62   56.19
Guilan0.003−0.144−0.860.015−0.138−3.871
Sistan and Baluchestan−0.031−0.36019.86−0.056−0.38440.266
Kermanshah0.003−0.063−0.3850.026−0.077−10.846
Chaharmahal and Bakhtiari0.0050.1571.310.0170.1635.212
Mazandaran−0.0120.028−0.62−0.0130.022−0.517
Razavi Khorasan0.0040.2041.460.0150.2065.735
Kerman−0.0030.285−1.620.0020.2830.948
West Azarbaijan0.000−0.1860−0.080.016−0.130−3.987
Hormozgan0.0010.4770.830.0020.4411.353
Yazd−0.005−0.0600.58−0.006−0.0820.942
Khouzestan0.002−0.118−0.400.008−0.121−1.749
East Azarbaijan0.0100.2664.660.0310.26715.574
Ardabil−0.0030.602−3.07−0.0040.602−5.062
Socioeconomic status (SES)1st quintile (the lowest)   66.77   89.07
2nd quintile0.022−0.372−14.890.037−0.362−24.913
3rd quintile0.0300.0170.910.0540.0515.136
4th quintile0.0380.39827.320.0600.44950.825
5th quintile (the highest)0.0370.79453.430.0380.82158.022
Explained    110.00   221.28
Residuals    −10.00   −121.28
Total    100.00   100.00
  1. Note: MET = Metabolic Equivalent of Task
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