Socioeconomic-related inequalities in oral hygiene behaviors: a cross-sectional analysis of the PERSIAN cohort study

Table 3 Results of the decomposition analysis of socioeconomic inequality in oral hygiene behaviors (brushing at least twice and flossing once daily) among PERSIAN Cohort participants in Iran, 2018

	Marginal Effects	Elasticity	The C_x	Contribution
	Marginal Effects	Elasticity	The C_x	Absolute	%	Summed %
Sex						−3.9
Male	Ref.
Female	0.016	0.257	−0.061	−0.015	−3.9
Age Group						4.2
35–44	Ref.
45–54	−0.001	−0.016	0.051	−0.000	− 0.2
55–65	− 0.013	− 0.091	− 0.098	0.009	2.2
65+	− 0.016	−0.031	− 0.028	0.009	2.2
Marital status						−1.9
Single	Ref.
Married	−0.005	−0.153	0.032	−0.004	−1.2
Divorced or widowed	0.004	0.008	−0.354	−0.003	− 0.7
Education level						55.4
Illiterate
Primary	0.016	0.119	−0.065	−0.007	−1.9
Intermediate	0.038	0.145	0.110	0.016	4.0
Secondary	0.052	0.214	0.320	0.068	17.2
Higher	0.069	0.247	0.583	0.144	36.1
Socioeconomic Status Quintiles						69.7
Q1(Poorest)	Ref.
Q2	0.020	0.115	−0.413	−0.047	−11.9
Q3	0.028	0.162	0.001	0.000	0.0
Q4	0.036	0.211	0.416	0.087	21.9
Q5(Wealthiest)	0.050	0.287	0.830	0.238	59.6
Province of Residence						11.0
Kermanshah	Ref.
Guilan	−0.001	−0.004	−0.178	0.000	0.1
Fars	−0.004	− 0.022	−0.377	0.008	2.0
East Azerbaijan	−0.000	−0.000	0.016	0.000	0.0
Mazandaran	0.008	0.018	0.133	0.002	0.6
Sistan and Balouchestan	0.011	0.020	−0.011	−0.000	− 0.0
Yazd	0.010	0.021	0.169	0.003	0.9
Kerman	−0.010	−0.022	0.301	−0.006	−1.6
Khouzestan	−0.027	−0.054	− 0.129	0.007	1.7
Chaharmahal and Bakhtiari	0.021	0.031	0.442	0.013	3.9
Hormozgan	−0.030	−0.022	−0.066	0.001	0.3
West Azerbaijan	−0.014	−0.010	− 0.093	0.001	0.2
Ardabil	0.007	0.014	0.262	0.003	0.9
Razavi Khorasan	0.025	0.016	0.575	0.009	2.3
Total explained				0.538		134.5
Residual				−0.138		--34.5
The C_n				0.399		100

ISSN: 1472-6831