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Measuring Socioeconomic Inequality Changes in Child Mortality in Iran: Two National Surveys Inequality Analysis



Amini Rarani M1, 2 ; Rashidian A1 ; Arab M1 ; Khosravi A3 ; Abbasian E4
Authors
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Authors Affiliations
  1. 1. Dept. of Health Management and Economics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
  2. 2. Health Management and Economics Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
  3. 3. Deputy of Public Health, Ministry of Health and Medical Education, Tehran, Iran
  4. 4. Dept. of Economics, Bu-Ali Sina University, Hamadan, Iran

Source: Iranian Journal of Public Health Published:2018

Abstract

Background: We aimed to measure changes in socioeconomic inequality in child mortality in Iran. Methods: A secondary data analysis of two Demographic and Health Surveys (DHS 2000 and 2010) was undertaken. Neonatal, infant and under-5 mortality rates were estimated directly from complete birth history. Economic quintiles were constructed using principal component analysis. Changes in inequality were measured using odds ratios, mortality rates, and concentration curves and indices. Results: Based on the compared measures, inequalities in neonatal, infant, and under-5 mortality declined between the two surveys. The poorest-to-richest neonatal, infant and under-5 mortality odds ratios in 2000 were 1.69 (95% CI= 1.3-2.07), 2.85 (95% CI= 1.96-4.1) and 1.98 (95% CI= 1.64-2.3), respectively. Whereas these mortality odds ratios in 2010 had fallen to 1.65 (95% CI= 0.95-2.9), 1.47 (95% CI=0.5-4) and 1.85 (95% CI=1.13-3), respectively. Moreover, mortality rates in all economic quintiles experienced a decreasing trend. Neonatal, infant, and under-5 mortality concentration indices in 2000 were-0.15,-0.26, and-0.17 respectively. Whereas concentration indices in 2010 had dropped to-0.13,-0.11, and-0.14, respectively. Concentration curves dominance test revealed that there was a statistically significant reduction in inequality in infant and under-5 mortalities. Conclusion: Despite substantial reduction in child mortality rates and narrowing of the gap between poor and rich people, socioeconomic inequality in child mortalities disfavoring worse-off groups still exists. Combination of child health-related efforts that aim to reach to those children born in poor households alongside with pro-equity programs in other sectors of society may further reduce infant, under-5, and particularly neonatal mortality across economic quintiles in Iran. © 2018, Iranian Journal of Public Health. All rights reserved.
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