Towards an assessment of perceived COPD exacerbation triggers: Initial development and validation of a questionnaire

Respirology : Official Journal of the Asian Pacific Society of Respirology
Chelsey A WerchanThomas Ritz

Abstract

Prevention of exacerbations in chronic obstructive pulmonary disease (COPD) is important to decrease overall declines in functioning and improve quality of life. The present study sought to develop a psychometrically valid measure of perceived triggers of exacerbations in COPD patients, the COPD Exacerbation Trigger Inventory (CETI). Participants (n = 192) were recruited through local clinics and online to complete surveys of the CETI, demographic information, disease-specific information and the COPD Assessment Test (CAT). The CETI included a free response section on patients' individual top triggers, combined with ratings of their controllability. Exploratory principal component analyses identified a stable 5-factor structure (33 items), from which trigger subscales for weather/climate, air pollution/irritants, exercise, infection/illness and psychological factors were formed (internal consistency Cronbach's α = 0.90-0.94). Trigger factors were associated with COPD functional status, exacerbation frequency and healthcare utilization. Participants found personal triggers related to dust, air pollution, smoking and physical activity to be the most easily controlled, whereas those related to psychological factors, climate, infec...Continue Reading

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Citations

Aug 15, 2018·Respirology : Official Journal of the Asian Pacific Society of Respirology·Stephen Milne, Don D Sin
Feb 11, 2020·Respirology : Official Journal of the Asian Pacific Society of Respirology·Don D Sin
Nov 4, 2020·International Journal of Environmental Research and Public Health·Sara Souto-MirandaAlda Marques

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