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Pm2.5 and dementia ...
Pm2.5 and dementia in a low exposure setting : the influence of odor identification ability and APOE
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- Andersson, John (författare)
- Umeå universitet,Institutionen för psykologi
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- Sundström, Anna (författare)
- Umeå universitet,Institutionen för psykologi,Enheten för demografi och åldrandeforskning (CEDAR),Department of Research and Development, Sundsvall Hospital, Sundsvall, Sweden
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- Nordin, Maria (författare)
- Umeå universitet,Institutionen för psykologi
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- Segersson, David (författare)
- Swedish Meteorological and Hydrological Institute (SMHI), Norrköping, Sweden
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- Forsberg, Bertil, professor, 1956- (författare)
- Umeå universitet,Institutionen för folkhälsa och klinisk medicin
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- Adolfsson, Rolf (författare)
- Umeå universitet,Psykiatri
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- Oudin, Anna (författare)
- Umeå universitet,Institutionen för folkhälsa och klinisk medicin,Division of Occupational and Environmental Medicine, Lund University, Lund, Sweden
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(creator_code:org_t)
- IOS Press, 2023
- 2023
- Engelska.
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Ingår i: Journal of Alzheimer's Disease. - : IOS Press. - 1387-2877 .- 1875-8908. ; 92:2, s. 679-689
- Relaterad länk:
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https://doi.org/10.3...
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https://umu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- Background: Growing evidence show that long term exposure to air pollution increases the risk of dementia.Objective: The aim of this study was to investigate associations between PM2.5 exposure and dementia in a low exposure area, and to investigate the role of olfaction and the APOE ε4 allele in these associations.Methods: Data were drawn from the Betula project, a longitudinal study on aging, memory, and dementia in Sweden. Odor identification ability was assessed using the Scandinavian Odor Identification Test (SOIT). Annual mean PM2.5 concentrations were obtained from a dispersion-model and matched at the participants’ residential address. Proportional hazard regression was used to calculate hazard ratios.Results: Of 1,846 participants, 348 developed dementia during the 21-year follow-up period. The average annual mean PM2.5 exposure at baseline was 6.77 µg/m3, which is 1.77 µg/m3 above the WHO definition of clean air. In a fully adjusted model (adjusted for age, sex, APOE, SOIT, cardiovascular diseases and risk factors, and education) each 1 µg/m3 difference in annual mean PM2.5-concentration was associated with a hazard ratio of 1.23 for dementia (95% CI: 1.01–1.50). Analyses stratified by APOE status (ε4 carriers versus non-carriers), and odor identification ability (high versus low), showed associations only for ε4 carriers, and for low performance on odor identification ability.Conclusion: PM2.5 was associated with an increased risk of dementia in this low pollution setting. The associations between PM2.5 and dementia seemed stronger in APOE carriers and those with below average odor identification ability.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)
Nyckelord
- Alzheimer’s disease
- Apolipoprotein E
- olfaction
- particulate matter
- vascular dementia
- Psychology
- psykologi
- Occupational and Environmental Medicine
- arbets- och miljömedicin
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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