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Relationship Between Household Socio-Economic Status and Under-five Mortality in Rufiji DSS, Tanzania.

Nattey, C., Masanja, H. and Klipstein-Grobusch, K. (2013) Relationship Between Household Socio-Economic Status and Under-five Mortality in Rufiji DSS, Tanzania. Global health action, 6. ISSN 1654-9880

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Abstract

Disparities in health outcomes between the poor and the better off are increasingly attracting attention from researchers and policy makers. However, policies aimed at reducing inequity need to be based on evidence of their nature, magnitude, and determinants. The study aims to investigate the relationship between household socio-economic status (SES) and under-five mortality, and to measure health inequality by comparing poorest/least poor quintile mortality rate ratio and the use of a mortality concentration index. It also aims to describe the risk factors associated with under-five mortality at Rufiji Demographic Surveillance Site (RDSS), Tanzania. This analytical cross sectional study included 11,189 children under-five residing in 7,298 households in RDSS in 2005. Principal component analysis was used to construct household SES. Kaplan-Meier survival incidence estimates were used for mortality rates. Health inequality was measured by calculating and comparing mortality rates between the poorest and least poor wealth quintile. We also computed a mortality concentration index. Risk factors of child mortality were assessed using Poisson regression taking into account potential confounders. Under-five mortality was 26.9 per 1,000 person-years [95% confidence interval (CI) (23.7-30.4)]. The poorest were 2.4 times more likely to die compared to the least poor. Our mortality concentration index [-0.16; 95% CI (-0.24, -0.08)] indicated considerable health inequality. Least poor households had a 52% reduced mortality risk [incidence rate ratio (IRR) = 0.48; 95% CI 0.30-0.80]. Furthermore, children with mothers who had attained secondary education had a 70% reduced risk of dying compared to mothers with no education [IRR = 0.30; 95% CI (0.22-0.88)]. Household socio-economic inequality and maternal education were associated with under-five mortality in the RDSS. Targeted interventions to address these factors may contribute towards accelerating the reduction of child mortality in rural Tanzania.

Item Type: Article
Keywords: Health policy, under five, risk factor, Inequality, Socio-Economic Status, Mortality, Morbidity
Subjects: Demography > Mortality studies
Divisions: Ifakara Health Institute > IHI Corporate
Depositing User: Mr Joseph Madata
Date Deposited: 05 Dec 2013 10:46
Last Modified: 05 Dec 2013 10:46
URI: http://ihi.eprints.org/id/eprint/1405

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