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

Table 3 Decomposition of concentration results for physical inactivity

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

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

ISSN: 1471-2458