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Table 3 Decomposition of concentration results for physical inactivity

From: The prevalence of physical inactivity in Iranian adolescents and the impact of economic and social inequalities on it: results of a National Study in 2018

Variables Coef Elast CI Cont to C C%
Sex
 Male      
 Female −0.011 −0.084 0.049 −0.004 −15.92
Age
 10      
 11 −0.041 −0.195 −0.004 0.000 3.27
 12 0.042 0.183 − 0.076 −0.013 −52.85
Economic statue
 Poorest SES 0.073 0.191 − 0.741 − 0.142 −537.41
 2th SES 0.031 0.086 − 0.362 −0.031 − 118.02
 Middle SES 0.053 0.140 0.015 0.002 8.02
 4th SES − 0.009 −0.025 0.380 −0.009 −37.25
 5th SES      
Size of family
 4≤      
 > 4 −0.058 −0.256 −0.126 0.032 123.11
Mother Education
 Uneducated & Elementary −0.057 −0.386 0.123 −0.047 −181.17
 Middle & High school 0.007 0.028 0.047 0.001 5.03
 Diploma and academic      
Father Education
 Uneducated & Elementary 0.103 0.859 0.118 0.102 385.87
 Middle & High school 0.062 0.186 −0.037 −0.007 −26.64
 Diploma and academic      
Mother age
 < 35      
 35–44 −0.007 −0.050 −0.046 0.002 8.96
 > 45 0.026 0.057 −0.010 −0.000 −2.17
Father age
 < 35      
 35–44 0.050 0.399 0.030 0.012 45.39
 > 45 0.004 0.021 −0.052 −0.001 −4.19
  1. Coeff Marginal effects, Elast elasticity, CI Concentration index of the social determinants, Cont to C Contribution to the overall concentration index, C% unadjusted percentage calculated on the overall explained portion of the C