Skip to main content

Table 2 Decomposition of Concentration Index for Inpatient health care utilization in rural and non-rural

From: Assessing horizontal equity in health care utilization in Iran: a decomposition analysis

 RuralNon-rural
CoefElastCICont to CC%CoefElastCICont to CC%
Age
 < 30          
 30–590.006*0.030−0.032−0.00091.23−0.000− 0.004− 0.0390.0001− 0.17
 ≥ 600.014***0.0220.0120.0002−0.340.0050.0070.0160.0001−0.13
Sex
 Female          
 Male0.0000.004−0.007−0.0000.047−0.003*− 0.029− 0.0080.0002− 0.26
Health statue
 Good          
 Poor0.71***1.180−0.008− 0.01012.900.733***1.193−0.005−0.0066.40
Subtotal need   −0.01013.83   −0.0055.84
Education
 College and above          
 Middle & High school0.0000.000−0.028−0.0000.0030.809−0.002− 0.0250.000− 0.05
 Uneducated & Elementary0.0000.0030.2030.000−0.009−0.003− 0.0260.188− 0.0055.22
Basic insurance
 Yes          
 No−0.007− 0.0050.007−0.0000.05−0.015− 0.0250.029− 0.0000.76
Supplementary insurance
 Yes          
 No−0.007− 0.0950.333−0.03140.10−0.005− 0.0640.258− 0.01617.22
Being employed
 Yes          
 No−0.000−0.005− 0.0120.000− 0.070.005**0.029−0.011− 0.0000.36
Marital status
 Single          
 Married−0.001− 0.0090.011−0.0000.130.005**0.0460.0240.001−1.16
Economic statue
 Poorest SES0.013**0.044−0.227− 0.01012.690.0030.032−0.540−0.01718.03
 2th SES0.170***0.050−0.083−0.0045.38−0.000− 0.0000.057− 0.0000.00
 Middle SES0.023***0.0710.0240.001−2.160.0040.0060.0680.000−0.48
 4th SES−0.002− 0.0070.098− 0.0000.910.0000.0000.7650.000−0.07
 5th SES          
Subtotal non-need   −0.04457.024   − 0.03839.83
Total   −0.099    −0.043 
Residual   0.020    −0.053 
C   −0.079***    −0.096*** 
HI   −0.068    −0.090*** 
  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, HI Horizontal Index
  2. * 0.01 ≤ p < 0.05; ** 0.001 ≤ p < 0.01; *** p < 0.001