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Title: Air quality influence on chronic obstructive pulmonary disease (COPD) patients' quality of life
Authors: Fong, KNK 
Mui, KW 
Chan, WY
Wong, LT 
Issue Date: Oct-2010
Source: Indoor air, Oct. 2010, v. 20, no. 5, p. 434-441
Abstract: Chronic obstructive pulmonary disease (COPD) is one of the leading causes of death. The relationship between urban air pollution and its short-term health effects on patients suffering from COPD is confirmed. However, information about the impact of air pollutants upon the quality of life (QOL) in patients with COPD is lacking. Through a cross-sectional survey, this study investigates such impact in terms of the scores of the (Chinese) chronic respiratory questionnaire (CCRQ) and the measurements of indoor air quality (IAQ), lung function and Moser's activities of daily living (ADL). Using Yule's Q statistic with a cutoff |Q|>0.7 to identify the strong relationships between environmental parameters and CRQ sub-scores, this study reveals that patient emotion is strongly associated with indoor environmental quality although the evidence of a causal relationship between them needs further research. Practical Implications: As QOL in patients with COPD and indoor environmental parameters are strongly associated, indoor air pollutants must be monitored for related studies in the future.
Keywords: Chronic obstructive pulmonary disease (COPD)
Chronic respiratory questionnaire (CRQ)
Indoor air pollutants
Quality of life (QOL)
Publisher: Wiley-Blackwell
Journal: Indoor air 
ISSN: 0905-6947
EISSN: 1600-0668
DOI: 10.1111/j.1600-0668.2010.00668.x
Rights: © 2010 John Wiley & Sons A/S
This is the peer reviewed version of the following article: Fong, K.N.K., Mui, K.W., Chan, W.Y. and Wong, L.T. (2010), Air quality influence on chronic obstructive pulmonary disease (COPD) patients’ quality of life. Indoor Air, 20: 434-441, which has been published in final form at This article may be used for non-commercial purposes in accordance with Wiley Terms and Conditions for Use of Self-Archived Versions.
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