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Hydrogen sulfide an...
Hydrogen sulfide and particle matter levels associated with increased dispensing of anti-asthma drugs in Iceland's capital
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- Carlsen, Hanne Krage (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa, enheten för arbets-och miljömedicin,Institute of Medicine, Department of Public Health and Community Medicine, Section of Occupational and environmental medicine,Centre of Public Health Sciences, University of Iceland
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Zoëga, Helga (författare)
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Valdimarsdóttir, Unnur (författare)
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Gíslason, Thórarinn (författare)
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Hrafnkelsson, Birgir (författare)
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(creator_code:org_t)
- Elsevier BV, 2012
- 2012
- Engelska.
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Ingår i: Environmental Research. - : Elsevier BV. - 0013-9351 .- 1096-0953. ; 113, s. 33-39
- Relaterad länk:
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https://gup.ub.gu.se...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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Abstract
Ämnesord
Stäng
- Background: Air pollutants in Iceland's capital area include hydrogen sulfide (H 2S) emissions from geothermal power plants, particle pollution (PM 10) and traffic-related pollutants. Respiratory health effects of exposure to PM and traffic pollutants are well documented, yet this is one of the first studies to investigate short-term health effects of ambient H 2S exposure. Objectives: The aim of this study was to investigate the associations between daily ambient levels of H 2S, PM 10, nitrogen dioxide (NO 2) and ozone (O 3), and the use of drugs for obstructive pulmonary diseases in adults in Iceland's capital area. Methods: The study period was 8 March 2006 to 31 December 2009. We used log-linear Poisson generalized additive regression models with cubic splines to estimate relative risks of individually dispensed drugs by air pollution levels. A three-day moving average of the exposure variables gave the best fit to the data. Final models included significant covariates adjusting for climate and influenza epidemics, as well as time-dependent variables. Results: The three-day moving average of H 2S and PM 10 levels were positively associated with the number of individuals who were dispensed drugs at lag 3-5, corresponding to a 2.0% (95% confidence interval [CI] 0.4, 3.6) and 0.9% (95% CI 0.1, 1.8) per 10μg/m 3 pollutant concentration increase, respectively. Conclusion: Our findings indicated that intermittent increases in levels of particle matter from traffic and natural sources and ambient H 2S levels were weakly associated with increased dispensing of drugs for obstructive pulmonary disease in Iceland's capital area. These weak associations could be confounded by unevaluated variables hence further studies are needed. © 2012 Elsevier Inc.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Arbetsmedicin och miljömedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Occupational Health and Environmental Health (hsv//eng)
Nyckelord
- Hydrogen sulfide
- Obstructive pulmonary diseases
- Particle matter
- Pharmaceutical dispensing
- Traffic pollution
- Obstructive pulmonary diseases; Pharmaceutical dispensing; Hydrogen sulfide; Particle matter; Traffic pollution
- Epidemiology
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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