Climate, traffic-related air pollutants, and asthma prevalence in middle-school children in Taiwan

Yueliang Leon Guo, Ying Chu Lin, Fung Chang Sung, Song Lih Huang, Ying Chin Ko, Jim Shoung Lai, Huey Jen Su, Cheng Kuang Shaw, Ruey Shiung Lin, Douglas W. Dockery

Research output: Contribution to journalArticlepeer-review

137 Citations (Scopus)

Abstract

This study compared the prevalence of asthma with climate and air pollutant data to determine the relationship between asthma prevalence and these factors. We conducted a nationwide survey of respiratory illness and symptoms in middle-school students in Taiwan. Lifetime prevalences of physician-diagnosed asthma and of typical symptoms of asthma were compared to air monitoring station data for temperature, relative humidity, sulfur dioxide, nitrogen oxides, ozone, carbon monoxide, and particulate matter with aerodynamic diameter ≤ 10 μm (PM10). A total of 331,686 nonsmoking children attended schools located within 2 km of 55 stations. Asthma prevalence rates adjusted for age, history of atopic enema, and parental education were associated with nonsummer (June-August) temperature, winter (January-March) humidity, and traffic-related air pollution, especially carbon monoxide and nitrogen oxides, for both girls and boys. Nonsummer temperature, winter humidity, and traffic-related air pollution, especially carbon monoxide and nitrogen oxides, were positively associated with the prevalence of asthma in middle-school students in Taiwan.

Original languageEnglish
Pages (from-to)1001-1006
Number of pages6
JournalEnvironmental Health Perspectives
Volume107
Issue number12
DOIs
Publication statusPublished - 1999

All Science Journal Classification (ASJC) codes

  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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