Spatio-temporal effects of estimated pollutants released from an industrial estate on the occurrence of respiratory disease in Maptaphut Municipality, Thailand
BACKGROUND: Maptaphut Industrial Estate (MIE) was established with a single factory in 1988, increasing to 50 by 1998. This development has resulted in undesirable impacts on the environment and the health of the people in the surrounding areas, evidenced by frequent complaints of bad odours maki...
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th-mahidol.7282023-03-30T12:10:40Z Spatio-temporal effects of estimated pollutants released from an industrial estate on the occurrence of respiratory disease in Maptaphut Municipality, Thailand Somchai Jadsri สมชาย จาดศรี Pratap Singhasivanon ประตาป สิงหศิวานนท์ Jaranit Kaewkungwal จรณิต แก้วกังวาล Rattana Sithiprasasna Somkiat Siriruttanapruk Supawadee Konchom Somchai Jadsri Mahidol University. Faculty of Tropical Medicine. Department of Tropical Hygiene. Air pollutants Industry Regression analysis Respiratory tract diseases Open Access article BACKGROUND: Maptaphut Industrial Estate (MIE) was established with a single factory in 1988, increasing to 50 by 1998. This development has resulted in undesirable impacts on the environment and the health of the people in the surrounding areas, evidenced by frequent complaints of bad odours making the people living there ill. In 1999, the Bureau of Environmental Health, Department of Health, Ministry of Public Health, conducted a study of the health status of people in Rayong Province and found a marked increase in respiratory diseases over the period 1993-1996, higher than the overall prevalence of such diseases in Thailand. However, the relationship between the pollutants and the respiratory diseases of the people in the surrounding area has still not been quantified. Therefore, this study aimed to determine the spatial distribution of respiratory disease, to estimate pollutants released from the industrial estates, and to quantify the relationship between estimated pollutants and respiratory disease in the Maptaphut Municipality. RESULTS: Disease mapping showed a much higher risk of respiratory disease in communities adjacent to the Maptaphut Industrial Estate. Disease occurrence formed significant clusters centred on communities near the estate, relative to the weighted mean centre of chimney stacks. Analysis of the rates of respiratory disease in the communities, categorized by different concentrations of estimated pollutants, found a dose-response effect. Spatial regression analysis found that the distance between community and health providers decreased the rate of respiratory disease (p < 0.05). However, after taking into account distance, total pollutant (p < 0.05), SO2 (p < 0.05) and NOx (p < 0.05) played a role in adverse health effects during the summer. Total pollutant (p < 0.05) and NOx (p < 0.05) played a role in adverse health effects during the rainy season after taking into account distance, but during winter there was no observed relationship between pollutants and rates of respiratory disease after taking into account distance. A 12-month time-series analysis of six communities selected from the disease clusters and the areas impacted most by pollutant dispersion, found significant effects for SO2 (p < 0.05), NOx (p < 0.05), and TSP (p < 0.05) after taking into account rainfall. CONCLUSION: This study employed disease mapping to present the spatial distribution of disease. Excessive risk of respiratory disease, and disease clusters, were found among communities near Maptaphut Industrial Estate. Study of the relationship between estimated pollutants and the occurrence of respiratory disease found significant relationships between estimated SO2, NOx, and TSP, and the rate of respiratory disease. 2012-11-14T06:59:13Z 2016-09-29T15:32:44Z 2012-11-14T06:59:13Z 2016-09-29T15:32:44Z 2006 2012-11-14 2006-11-08 Research Article Jadsri S, Singhasivanon P, Kaewkungwal J, Sithiprasasna R, Siriruttanapruk S, Konchom S. Spatio-temporal effects of estimated pollutants released from an industrial estate on the occurrence of respiratory disease in Maptaphut Municipality, Thailand. Int J Health Geogr. 2006 Nov 8;5:48. 10.1186/1476-072X-5-48 1476-072X (electronic) https://repository.li.mahidol.ac.th/handle/123456789/728 eng Mahidol University BioMed Central application/pdf |
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Air pollutants Industry Regression analysis Respiratory tract diseases Open Access article Somchai Jadsri สมชาย จาดศรี Pratap Singhasivanon ประตาป สิงหศิวานนท์ Jaranit Kaewkungwal จรณิต แก้วกังวาล Rattana Sithiprasasna Somkiat Siriruttanapruk Supawadee Konchom Spatio-temporal effects of estimated pollutants released from an industrial estate on the occurrence of respiratory disease in Maptaphut Municipality, Thailand |
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BACKGROUND: Maptaphut Industrial Estate (MIE) was established with a single
factory in 1988, increasing to 50 by 1998. This development has resulted in
undesirable impacts on the environment and the health of the people in the
surrounding areas, evidenced by frequent complaints of bad odours making the
people living there ill. In 1999, the Bureau of Environmental Health, Department
of Health, Ministry of Public Health, conducted a study of the health status of
people in Rayong Province and found a marked increase in respiratory diseases
over the period 1993-1996, higher than the overall prevalence of such diseases in
Thailand. However, the relationship between the pollutants and the respiratory
diseases of the people in the surrounding area has still not been quantified.
Therefore, this study aimed to determine the spatial distribution of respiratory
disease, to estimate pollutants released from the industrial estates, and to
quantify the relationship between estimated pollutants and respiratory disease in
the Maptaphut Municipality.
RESULTS: Disease mapping showed a much higher risk of respiratory disease in
communities adjacent to the Maptaphut Industrial Estate. Disease occurrence
formed significant clusters centred on communities near the estate, relative to
the weighted mean centre of chimney stacks. Analysis of the rates of respiratory
disease in the communities, categorized by different concentrations of estimated
pollutants, found a dose-response effect. Spatial regression analysis found that
the distance between community and health providers decreased the rate of
respiratory disease (p < 0.05). However, after taking into account distance,
total pollutant (p < 0.05), SO2 (p < 0.05) and NOx (p < 0.05) played a role in
adverse health effects during the summer. Total pollutant (p < 0.05) and NOx (p <
0.05) played a role in adverse health effects during the rainy season after
taking into account distance, but during winter there was no observed
relationship between pollutants and rates of respiratory disease after taking
into account distance. A 12-month time-series analysis of six communities
selected from the disease clusters and the areas impacted most by pollutant
dispersion, found significant effects for SO2 (p < 0.05), NOx (p < 0.05), and TSP
(p < 0.05) after taking into account rainfall.
CONCLUSION: This study employed disease mapping to present the spatial
distribution of disease. Excessive risk of respiratory disease, and disease
clusters, were found among communities near Maptaphut Industrial Estate. Study of
the relationship between estimated pollutants and the occurrence of respiratory
disease found significant relationships between estimated SO2, NOx, and TSP, and
the rate of respiratory disease. |
author2 |
Somchai Jadsri |
author_facet |
Somchai Jadsri Somchai Jadsri สมชาย จาดศรี Pratap Singhasivanon ประตาป สิงหศิวานนท์ Jaranit Kaewkungwal จรณิต แก้วกังวาล Rattana Sithiprasasna Somkiat Siriruttanapruk Supawadee Konchom |
format |
Article |
author |
Somchai Jadsri สมชาย จาดศรี Pratap Singhasivanon ประตาป สิงหศิวานนท์ Jaranit Kaewkungwal จรณิต แก้วกังวาล Rattana Sithiprasasna Somkiat Siriruttanapruk Supawadee Konchom |
author_sort |
Somchai Jadsri |
title |
Spatio-temporal effects of estimated pollutants released from an industrial estate on the occurrence of respiratory disease in Maptaphut Municipality, Thailand |
title_short |
Spatio-temporal effects of estimated pollutants released from an industrial estate on the occurrence of respiratory disease in Maptaphut Municipality, Thailand |
title_full |
Spatio-temporal effects of estimated pollutants released from an industrial estate on the occurrence of respiratory disease in Maptaphut Municipality, Thailand |
title_fullStr |
Spatio-temporal effects of estimated pollutants released from an industrial estate on the occurrence of respiratory disease in Maptaphut Municipality, Thailand |
title_full_unstemmed |
Spatio-temporal effects of estimated pollutants released from an industrial estate on the occurrence of respiratory disease in Maptaphut Municipality, Thailand |
title_sort |
spatio-temporal effects of estimated pollutants released from an industrial estate on the occurrence of respiratory disease in maptaphut municipality, thailand |
publishDate |
2012 |
url |
https://repository.li.mahidol.ac.th/handle/123456789/728 |
_version_ |
1763492504394530816 |