Volume 38 - Article 18 | Pages 429–450
Background: The association between neighborhood deprivation and mortality is well established, but knowledge about whether deprivation is best assessed regionally or nationally is scarce.
Objective: The present study aims to examine whether there is a difference in results when using national and county-specific neighborhood deprivation indices and whether the level of urbanization modifies the association between neighborhood deprivation and mortality.
Methods: We collected data on the entire population aged above 50 residing in the 21 Swedish counties on January 1, 1990, and followed them for mortality due to all causes and for coronary heart disease. The association between neighborhood deprivation and mortality was assessed using Cox regression, assuming proportional hazards with attained age as an underlying variable, comparing the 25% most deprived neighborhoods with the 25% most affluent ones within each region, and using both the national and the county-specific indices. The potential interactions were also assessed.
Results: The choice of a national or a county-specific index did not affect the estimates to a large extent. The effect of neighborhood deprivation on mortality in metropolitan regions (hazard ratio: 1.21 [1.20–1.22]) was somewhat higher than that in the more rural southern (HR: 1.16 [1.15–1.17]) and northern regions (HR: 1.11 [1.09–1.12]).
Conclusions: Our data indicates that the choice of a national or a county-specific deprivation index does not influence the results to a significant extent, but may be of importance in large metropolitan regions. Furthermore, the strength of the association between neighborhood deprivation and mortality is somewhat greater in metropolitan areas than in more rural southern and northern areas.
Contribution: The study contributes to a better understanding of the complex association between neighborhood and mortality.
- Daniel Oudin Åström - Lunds Universitet, Sweden EMAIL
- Paul W. Franks - Lunds Universitet, Sweden EMAIL
- Kristina Sundquist - Lunds Universitet, Sweden EMAIL
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