||Association between Health Status and the Performance of Excessively Variable Spirometry Tests in a Population-Based Study in Six U.S. Cities (Journal Version).
Eisen, E. A. ;
Dockery, D. W. ;
Speizer, F. E. ;
Fay, M. E. ;
Ferris, B. G. ;
||Health Effects Research Lab., Research Triangle Park, NC. ;Harvard Medical School, Boston, MA. Dept. of Medicine. ;Brigham and Women's Hospital, Boston, MA.
Respiratory infections ;
Regression analysis ;
Chronic diseases ;
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The relationship between six chronic respiratory symptoms and the inability to perform an acceptable lung function test (test failure) was examined among 8,390 white adults in six U.S. cities. A total of 141 subjects were unable to perform such a test. The proportion of subjects with test failure was higher in each symptom group than in the asymptomatic group. The potential confounders of age, city of residence, and gender were found to be associated with test failure. Cigarette smoking was not a risk factor in the absence of symptoms. Adjusted odds ratios for test failure in the presence of each specific symptom were estimated in logistic regression models. The results support the revised standards for spirometry. (Copyright (c) American Review of Respiratory Disease 1987.)