Decline in hospitalization for childhood asthma in different air pollution regions in Taiwan, 2001–2012

Ching Yen Kuo, Chin Kan Chan, Jing Long Huang, Chiung Yi Wu, Dinh Van Phan, Huei Yu Lo, Chien Lung Chan*

*Corresponding author for this work

Research output: Contribution to journalJournal Article peer-review

3 Scopus citations

Abstract

This study aimed to investigate the trends in childhood asthma hospitalization in regions with differing levels of air pollution in Taiwan, 2001–2012. Joinpoint regression was used to identify significant trend changes. The hospitalization rate varied according to gender, geographic region, and age. The incidence of childhood asthma hospitalization decreased from 127.99 to 76.67 (/100,000 population), with an average annual percentage change of around −4.1%; in the Yilan region, the average air pollution concentrations were 19.92 μg/m3, 39.47 μg/m3, 25.99 ppb, 2.19 ppb, and 11.23 ppb for PM2.5, PM10, O3, SO2, and NO2, respectively, which were lower than Taiwan’s average values; however, the childhood asthma hospitalization rate was the highest (179.75/100,000 population). The national trend in childhood asthma hospitalization exhibited a significant decrease. The effects of air pollution on childhood asthma were greater in the higher-level air pollution regions, while less association was observed in the lower-level air pollution regions.

Original languageEnglish
Pages (from-to)95-105
Number of pages11
JournalInternational Journal of Environmental Health Research
Volume32
Issue number1
DOIs
StatePublished - 2022

Bibliographical note

Publisher Copyright:
© 2020 Informa UK Limited, trading as Taylor & Francis Group.

Keywords

  • Childhood asthma
  • air pollution
  • hospitalization
  • time trend

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