Prevalence of and major risk factors for adult bronchial asthma in Taipei City

I. Shiow Jan, Wei Hui Chou, Jung Der Wang, Sow Hsong Kuo

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

Background and Purpose: The prevalence of bronchial asthma has been on the rise worldwide but the prevalence of adult asthma in Taiwan has not been reported. The objective of this studey was to determine the current 1-year and lifetime asthma prevalence rates, and to identify major risk factors for adult asthma in Taiwan. Methods: A cluster sampling was conducted in 1999, where 21 clusters and 4549 adults (age ≥ 18 years) were selected randomly. Face-to-face interview were conducted with a total of 2076 adults (45.6%; men/women 987/1089) using a questionnaire designed to assess asthma and asthma-like symptoms adapted from the American Thoracic Society with minor modifications to include information about current asthma status. Results: The results showed that 50 case had a previous diagnosis of asthma and 94 had been classified as probably having asthma with intermittently audible wheezing. The lifetime prevalence rate of asthma in adults in Taipei City prevalence of asthma was 4.1%. A multiple logistic regression model showed the odds ratio (95% confidence interval) of a history of maternal asthma to be 5.8 (2.77 to 12.18), that of allergic rhinitis to be 3.2 (2.03 to 5.16), that of paternal asthma to be 2.2 (0.91 to 5.21), that of older age(≥ 50 years) to be 2.0 (1.25 to 3.19), and that of smoking habit to be 1.7 (1.02 to 2.72). Conclusions: The lifetime prevalence rate of adult bronchial asthma in Taipei City was 7.8% and related to both genetic and environmental factors, which included maternal of paternal history of asthma, history of allergic rhinitis, older age (≥ 50 years), and smoking habits.

Original languageEnglish
Pages (from-to)259-263
Number of pages5
JournalJournal of the Formosan Medical Association
Volume103
Issue number4
Publication statusPublished - 2004 Apr 1

All Science Journal Classification (ASJC) codes

  • Medicine(all)

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