help button home button
AJRCCM
HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
This Article
Right arrow Full Text
Right arrow Full Text (PDF)
Right arrow Alert me when this article is cited
Right arrow Alert me if a correction is posted
Services
Right arrow Similar articles in this journal
Right arrow Similar articles in PubMed
Right arrow Alert me to new issues of the journal
Right arrow Download to citation manager
Right arrow reprints & permissions
Citing Articles
Right arrow Citing Articles via HighWire
Right arrow Citing Articles via Google Scholar
Google Scholar
Right arrow Articles by LEIDY, N. K.
Right arrow Articles by COUGHLIN, C.
Right arrow Search for Related Content
PubMed
Right arrow PubMed Citation
Right arrow Articles by LEIDY, N. K.
Right arrow Articles by COUGHLIN, C.

Am. J. Respir. Crit. Care Med., Volume 158, Number 4, October 1998, 1082-1090

Is the Asthma Quality of Life Questionnaire a Useful Measure for Low-income Asthmatics?

NANCY KLINE LEIDY, KITTY S. CHAN, and CECELIA COUGHLIN

Center for Health Outcomes Research, MEDTAP International Inc., Bethesda, Maryland; and Center for Health Care Policy and Evaluation, United Healthcare, Minneapolis, Minnesota

The purpose of this study was to evaluate the reliability and validity of the Asthma Quality of Life Questionnaire (AQLQ) in a population-based sample of low-income adults with asthma. A total of 112 subjects (46 African American, 66 Caucasian; mean age = 33 ± 9 yr; 26% male) were recruited from the Baltimore County, Maryland and Atlanta, Georgia metropolitan areas. Internal consistency reliability (Cronbach's alpha ) was high for the overall scale (0.96); 2-wk reproducibility (intraclass correlation, ICC) was 0.82 (n = 38). Overall score was significantly correlated with FEV1 percentage of predicted (r = 0.20), and the Asthma Disease Severity Scale (r = -0.38). Correlations between overall score and the SF-36 Physical Component Summary (r = 0.49), SF-36 Mental Component Summary (r = 0.37), Cantril's Ladder (r = 0.23), and the Health Utilities Index (r = 0.22) supported the validity of the AQLQ in this sample. Comparison of reliability and validity estimates across racial groups found few substantive differences. Internal consistency, reproducibility, and validity estimates found in this sample were consistent with those of a reliable and valid measure and were comparable to those found in other populations. These results suggest the AQLQ is a useful indicator of health- related quality of life in low-income asthmatics.




This article has been cited by other articles:


Home page
 ChestHome page
A. Ekici, M. Ekici, E. Kurtipek, H. Keles, T. Kara, M. Tunckol, and P. Kocyigit
Association of Asthma-Related Symptoms With Snoring and Apnea and Effect on Health-Related Quality of Life
Chest, November 1, 2005; 128(5): 3358 - 3363.
[Abstract] [Full Text] [PDF]

Home page
 ChestHome page
E. S. Ford, D. M. Mannino, D. M. Homa, C. Gwynn, S. C. Redd, D. G. Moriarty, and A. H. Mokdad
Self-Reported Asthma and Health-Related Quality of Life: Findings From the Behavioral Risk Factor Surveillance System
Chest, January 1, 2003; 123(1): 119 - 127.
[Abstract] [Full Text] [PDF]


HOME HELP FEEDBACK SUBSCRIPTIONS ARCHIVE SEARCH TABLE OF CONTENTS
Proc. Am. Thorac. Soc. Am. J. Respir. Cell Mol. Biol.
Copyright © 1998 American Thoracic Society