Document Detail


Daily mortality in relation to weather and air pollution in Christchurch, New Zealand.
MedLine Citation:
PMID:  10777987     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
OBJECTIVE: To investigate the relationship between the daily number of deaths, weather and ambient air pollution. METHOD: An ecological study. We assembled daily data for the city of Christchurch, New Zealand (population 300,000) from June 1988 to December 1993. We used Poisson regression models, controlling for season using a parametric method. RESULTS: Above the third quartile (20.5 degrees C) of maximum temperature, an increase of 1 degree C was associated with a 1% (95% CI: 0.4 to 2.1%) increase in all-cause mortality and a 3% (0.1 to 6.0%) increase in respiratory mortality. An increase in PM10 of 10 micrograms/m3 was associated (after a lag of one day) with a 1% (0.5 to 2.2%) increase in all-cause mortality and a 4% (1.5 to 5.9%) increase in respiratory mortality. We found no evidence of interaction between the effects of temperature and particulate air pollution. CONCLUSIONS: High temperatures and particulate air pollution are independently associated with increased daily mortality in Christchurch. The fact that these results are consistent with those of similar studies in other countries strengthens the argument that the associations are likely to be causal. IMPLICATIONS: These findings contribute to evidence of health consequences of fuel combustion, both in the short term (from local air pollution) and in the long term (from the global climatic effects of increased atmospheric CO2).
Authors:
S Hales; C Salmond; G I Town; T Kjellstrom; A Woodward
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Australian and New Zealand journal of public health     Volume:  24     ISSN:  1326-0200     ISO Abbreviation:  Aust N Z J Public Health     Publication Date:  2000 Feb 
Date Detail:
Created Date:  2000-05-04     Completed Date:  2000-05-04     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  9611095     Medline TA:  Aust N Z J Public Health     Country:  AUSTRALIA    
Other Details:
Languages:  eng     Pagination:  89-91     Citation Subset:  IM    
Affiliation:
Department of Public Health, Wellington School of Medicine, New Zealand. shales@wnmeds.ac.nz
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MeSH Terms
Descriptor/Qualifier:
Adolescent
Adult
Aged
Air Pollution / adverse effects*,  analysis
Cardiovascular Diseases / mortality
Cause of Death
Child
Child, Preschool
Environmental Monitoring
Humans
Infant
Middle Aged
Mortality*
New Zealand / epidemiology
Population Surveillance
Regression Analysis
Respiratory Tract Diseases / mortality
Seasons
Urban Health / statistics & numerical data*
Weather*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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