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

Chih-Cheng Chen, Shang-Shyue Tsai and Chun-Yuh Yang
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Chih-Cheng Chen: Department of Pediatrics, Kaohsiung Chang-Gung Memorial Hospital and Chang-Gung University, College of Medicine, Kaohsiung 833, Taiwan
Shang-Shyue Tsai: Department of Healthcare Administration, I-Shou University, Kaohsiung 824, Taiwan
Chun-Yuh Yang: Department of Public Health, College of Health Sciences, Kaohsiung Medical University, Kaohsiung 807, Taiwan

IJERPH, 2015, vol. 12, issue 5, 1-12

Abstract: This study was undertaken to determine whether there was an association between fine particle (PM 2.5 ) 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 PM 2.5 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 PM 2.5 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, PM 2.5 remained significant after the inclusion of sulfur dioxide (SO 2 ) or ozone (O 3 ) on warm days. This study provides evidence that higher levels of PM 2.5 increase the risk of clinic visits for migraine in Taipei, Taiwan.

Keywords: fine particulate; air pollution; migraine; case-crossover; clinic visits (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2015
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (5)

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