Journal
BMC PUBLIC HEALTH
Volume 13, Issue -, Pages -Publisher
BMC
DOI: 10.1186/1471-2458-13-783
Keywords
ENABLE AGE-project; Environment; Mortality; Older people; Housing Enabler
Categories
Funding
- European Commission [QLRT-2001-00334]
- Swedish Research Council for Health, Working Life and Welfare (Forte)
- Swedish Research Council
- Ribbing Foundation, Lund, Sweden
- Academy of Finland
- Future of Living and Housing (ASU-LIVE) Research Programme [255403]
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Background: Environmental barriers are associated with disability-related outcomes in older people but little is known of the effect of environmental barriers on mortality. The aim of this study was to examine whether objectively measured barriers in the outdoor, entrance and indoor environments are associated with mortality among community-dwelling 80- to 89-year-old single-living people. Methods: This longitudinal study is based on a sample of 397 people who were single-living in ordinary housing in Sweden. Participants were interviewed during 2002-2003, and 393 were followed up for mortality until May 15, 2012. Environmental barriers and functional limitations were assessed with the Housing Enabler instrument, which is intended for objective assessments of Person-Environment (P-E) fit problems in housing and the immediate outdoor environment. Mortality data were gathered from the public national register. Cox regression models were used for the analyses. Results: A total of 264 (67%) participants died during follow-up. Functional limitations increased mortality risk. Among the specific environmental barriers that generate the most P-E fit problems, lack of handrails in stairs at entrances was associated with the highest mortality risk (adjusted RR 1.55, 95% CI 1.14-2.10), whereas the total number of environmental barriers at entrances and outdoors was not associated with mortality. A higher number of environmental barriers indoors showed a slight protective effect against mortality even after adjustment for functional limitations (RR 0.98, 95% CI 0.96-1.00). Conclusion: Specific environmental problems may increase mortality risk among very-old single-living people. However, the association may be confounded by individuals' health status which is difficult to fully control for. Further studies are called for.
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