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A cross-sectional study on the pulmonary function of residents in two urban areas with different PM(10) concentrations: data from the fourth Korea national health and nutrition examination survey (KNHANES) 2007–2009
BACKGROUND: The present study aims to compare the pulmonary function of residents of Seoul special city (Seoul) and Jeju special self-governing province including Jeju city and Seogwipo city (Jeju), characterized by vastly different annual average airborne particulate matter with an aerodynamic diam...
Autores principales: | , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
BioMed Central
2018
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6048902/ https://www.ncbi.nlm.nih.gov/pubmed/30026954 http://dx.doi.org/10.1186/s40557-018-0258-4 |
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author | Park, Si Woo Kim, Byoung Gwon Kim, Jung Woo Park, Jung Woo Kim, Jung Il |
author_facet | Park, Si Woo Kim, Byoung Gwon Kim, Jung Woo Park, Jung Woo Kim, Jung Il |
author_sort | Park, Si Woo |
collection | PubMed |
description | BACKGROUND: The present study aims to compare the pulmonary function of residents of Seoul special city (Seoul) and Jeju special self-governing province including Jeju city and Seogwipo city (Jeju), characterized by vastly different annual average airborne particulate matter with an aerodynamic diameter less ≤10 μm (PM(10)) concentrations, with the annual average PM(10) concentration in Seoul being significantly higher than that in Jeju. METHODS: This cross-sectional study analyzed the pulmonary function test results and sociodemographic data of Korean adults ≥19 years of age derived from the 4th KNHANES, 2007–2009. A total of 830 individuals residing in Seoul or Jeju were included in this study. T-tests were used to analyze predicted values of forced expiratory volume in 1 sec (FEV1p), predicted values of forced vital capacity (FVCp) and FEV1/FVC ratio (FEV1/FVC), as dependent variables, to examine the differences in the subjects’ pulmonary function according to the city of residence. Stratified analysis was then performed to adjust for variables potentially affecting pulmonary function. The analysis was performed on subjects as a group and also following stratification according to sex and other variables. RESULTS: Seoul residents had a significantly lower FVCp than that of the Jeju residents (difference: 3.48%, p = 0.002). FEV1p, FVCp and FEV1/FVC of male Seoul residents were significantly lower than those of male Jeju residents (difference: 6.99, 5.11% and 0.03, respectively; p < 0.001, p = 0.001, p = 0.001). In male subjects, statistically significant results were obtained even after adjusting the influence of other variables through stratified analysis. CONCLUSION: The present analysis was based on cross-sectional data collected at one point in time. Therefore, unlike longitudinal studies, it does not establish a clear causal association between the variables. Nevertheless, this study found that pulmonary function among subjects residing in Seoul was significantly decreased compared to that of subjects residing in Jeju. |
format | Online Article Text |
id | pubmed-6048902 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2018 |
publisher | BioMed Central |
record_format | MEDLINE/PubMed |
spelling | pubmed-60489022018-07-19 A cross-sectional study on the pulmonary function of residents in two urban areas with different PM(10) concentrations: data from the fourth Korea national health and nutrition examination survey (KNHANES) 2007–2009 Park, Si Woo Kim, Byoung Gwon Kim, Jung Woo Park, Jung Woo Kim, Jung Il Ann Occup Environ Med Research Article BACKGROUND: The present study aims to compare the pulmonary function of residents of Seoul special city (Seoul) and Jeju special self-governing province including Jeju city and Seogwipo city (Jeju), characterized by vastly different annual average airborne particulate matter with an aerodynamic diameter less ≤10 μm (PM(10)) concentrations, with the annual average PM(10) concentration in Seoul being significantly higher than that in Jeju. METHODS: This cross-sectional study analyzed the pulmonary function test results and sociodemographic data of Korean adults ≥19 years of age derived from the 4th KNHANES, 2007–2009. A total of 830 individuals residing in Seoul or Jeju were included in this study. T-tests were used to analyze predicted values of forced expiratory volume in 1 sec (FEV1p), predicted values of forced vital capacity (FVCp) and FEV1/FVC ratio (FEV1/FVC), as dependent variables, to examine the differences in the subjects’ pulmonary function according to the city of residence. Stratified analysis was then performed to adjust for variables potentially affecting pulmonary function. The analysis was performed on subjects as a group and also following stratification according to sex and other variables. RESULTS: Seoul residents had a significantly lower FVCp than that of the Jeju residents (difference: 3.48%, p = 0.002). FEV1p, FVCp and FEV1/FVC of male Seoul residents were significantly lower than those of male Jeju residents (difference: 6.99, 5.11% and 0.03, respectively; p < 0.001, p = 0.001, p = 0.001). In male subjects, statistically significant results were obtained even after adjusting the influence of other variables through stratified analysis. CONCLUSION: The present analysis was based on cross-sectional data collected at one point in time. Therefore, unlike longitudinal studies, it does not establish a clear causal association between the variables. Nevertheless, this study found that pulmonary function among subjects residing in Seoul was significantly decreased compared to that of subjects residing in Jeju. BioMed Central 2018-07-16 /pmc/articles/PMC6048902/ /pubmed/30026954 http://dx.doi.org/10.1186/s40557-018-0258-4 Text en © The Author(s). 2018 Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver (http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated. |
spellingShingle | Research Article Park, Si Woo Kim, Byoung Gwon Kim, Jung Woo Park, Jung Woo Kim, Jung Il A cross-sectional study on the pulmonary function of residents in two urban areas with different PM(10) concentrations: data from the fourth Korea national health and nutrition examination survey (KNHANES) 2007–2009 |
title | A cross-sectional study on the pulmonary function of residents in two urban areas with different PM(10) concentrations: data from the fourth Korea national health and nutrition examination survey (KNHANES) 2007–2009 |
title_full | A cross-sectional study on the pulmonary function of residents in two urban areas with different PM(10) concentrations: data from the fourth Korea national health and nutrition examination survey (KNHANES) 2007–2009 |
title_fullStr | A cross-sectional study on the pulmonary function of residents in two urban areas with different PM(10) concentrations: data from the fourth Korea national health and nutrition examination survey (KNHANES) 2007–2009 |
title_full_unstemmed | A cross-sectional study on the pulmonary function of residents in two urban areas with different PM(10) concentrations: data from the fourth Korea national health and nutrition examination survey (KNHANES) 2007–2009 |
title_short | A cross-sectional study on the pulmonary function of residents in two urban areas with different PM(10) concentrations: data from the fourth Korea national health and nutrition examination survey (KNHANES) 2007–2009 |
title_sort | cross-sectional study on the pulmonary function of residents in two urban areas with different pm(10) concentrations: data from the fourth korea national health and nutrition examination survey (knhanes) 2007–2009 |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6048902/ https://www.ncbi.nlm.nih.gov/pubmed/30026954 http://dx.doi.org/10.1186/s40557-018-0258-4 |
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