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Int. J. Environ. Res. Public Health 2015, 12(5), 4697-4708; doi:10.3390/ijerph120504697

Association between Fine Particulate Air Pollution and Daily Clinic Visits for Migraine in a Subtropical City: Taipei, Taiwan

1
Department of Pediatrics, Kaohsiung Chang-Gung Memorial Hospital and Chang-Gung University, College of Medicine, Kaohsiung 833, Taiwan
2
Department of Healthcare Administration, I-Shou University, Kaohsiung 824, Taiwan
3
Department of Public Health, College of Health Sciences, Kaohsiung Medical University, Kaohsiung 807, Taiwan
4
Division of Environmental Health and Occupational Medicine, National Health Research Institute, Miaoli 350, Taiwan
*
Author to whom correspondence should be addressed.
Academic Editor: Paul B. Tchounwou
Received: 25 February 2015 / Revised: 17 April 2015 / Accepted: 23 April 2015 / Published: 29 April 2015
View Full-Text   |   Download PDF [674 KB, uploaded 29 April 2015]

Abstract

This study was undertaken to determine whether there was an association between fine particle (PM2.5) levels and daily clinic visits for migraine in Taipei, Taiwan. Daily clinic visits for migraine and ambient air pollution data for Taipei were obtained for the period from 2006–2011. The odds ratio of clinic visits was estimated using a case-crossover approach, controlling for weather variables, day of the week, seasonality, and long-term time trends. Generally, no significant associations between PM2.5 levels and migraine visits were observed on cool days. On warm days, however, for the single pollutant model (without adjustment for other pollutants), increased clinic visits for migraine were significantly associated with PM2.5 levels, with an interquartile range (IQR) rise associated with a 13% (95% CI = 8%–19%) elevation in number of migraine visits. In bi-pollutant model, PM2.5 remained significant after the inclusion of sulfur dioxide (SO2) or ozone (O3) on warm days. This study provides evidence that higher levels of PM2.5 increase the risk of clinic visits for migraine in Taipei, Taiwan. View Full-Text
Keywords: fine particulate; air pollution; migraine; case-crossover; clinic visits fine particulate; air pollution; migraine; case-crossover; clinic visits
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Chen, C.-C.; Tsai, S.-S.; Yang, C.-Y. Association between Fine Particulate Air Pollution and Daily Clinic Visits for Migraine in a Subtropical City: Taipei, Taiwan. Int. J. Environ. Res. Public Health 2015, 12, 4697-4708.

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Int. J. Environ. Res. Public Health EISSN 1660-4601 Published by MDPI AG, Basel, Switzerland RSS E-Mail Table of Contents Alert
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