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Published in: Archives of Public Health 1/2016

Open Access 01-12-2016 | Research

The geographic pattern of Belgian mortality: can socio-economic characteristics explain area differences?

Authors: Wanda M. J. Van Hemelrijck, Didier Willaert, Sylvie Gadeyne

Published in: Archives of Public Health | Issue 1/2016

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Abstract

Background

Country averages for health outcomes hide important within-country variations. This paper probes into the geographic Belgian pattern of all-cause mortality and wishes to investigate the contribution of individual and area socio-economic characteristics to geographic mortality differences in men aged 45–64 during the period 2001–2011.

Methods

Data originate from a linkage between the Belgian census of 2001 and register data on mortality and emigration during the period 2001–2011. Mortality rate ratios (MRRs) are estimated for districts and sub-districts compared to the Belgian average mortality level using Poisson regression modelling. Individual socio-economic position (SEP) indicators are added to examine the impact of these characteristics on the observed geographic pattern. In order to scrutinize the contribution of area-level socio-economic characteristics, random intercepts Poisson modelling is performed with predictors at the individual and the sub-district level. Random intercepts and slopes models are fitted to explore variability of individual-level SEP effects.

Results

All-cause MRRs for middle-aged Belgian men are higher in the geographic areas of the Walloon region and the Brussels-Capital Region (BCR) compared to those in the Flemish region. The highest MRRs are observed in the inner city of the BCR and in several Walloon cities. Their disadvantage can partially be explained by the lower individual SEP of men living in these areas. Similarly, the relatively low MRRs observed in the districts of Halle-Vilvoorde, Arlon and Virton can be related to the higher individual SEP. Among the area-level characteristics, both the percentage of men employed and the percentage of labourers in a sub-district have a protective effect on the individual MRR, regardless of individual SEP. Variability in individual-level SEP effects is limited.

Conclusions

Individual SEP partly explains the observed mortality gap in Belgium for some areas. The percentage of men employed and the percentage of labourers in a sub-district have an additional effect on the individual MRR aside from that of individual SEP. However, these socio-economic factors cannot explain all of the observed differences. Other mechanisms such as public health policy, cultural habits and environmental influences contribute to the observed geographic pattern in all-cause mortality among middle-aged men.
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Metadata
Title
The geographic pattern of Belgian mortality: can socio-economic characteristics explain area differences?
Authors
Wanda M. J. Van Hemelrijck
Didier Willaert
Sylvie Gadeyne
Publication date
01-12-2016
Publisher
BioMed Central
Published in
Archives of Public Health / Issue 1/2016
Electronic ISSN: 2049-3258
DOI
https://doi.org/10.1186/s13690-016-0135-y

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