Journal
RESEARCH IN NURSING & HEALTH
Volume 33, Issue 1, Pages 4-19Publisher
WILEY
DOI: 10.1002/nur.20359
Keywords
COPD; dyspnea; anxiety; affective dimension
Categories
Funding
- National Center for Research Resources [5 M01 RR-00079]
- U.S. Public Health Service
- NIH NINR [R01-NR02131-08]
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The Primary purpose of this secondary analysis was to determine whether 103 participants with chronic obstructive Pulmonary disease rated the affective dimension of dyspnea (dyspnea-related anxiety and dyspnea-related distress) separately from the sensory dimension (intensity) during baseline exercise testing conducted as part of a randomized clinical trial. A secondary purpose was to determine if dyspnea-related anxiety and distress were rated distinctly different from other measurements of anxiety. At the end of a 6-minute walk and an incremental treadmill test, participant ratings of the magnitude of dyspnea-related anxiety and distress on the Modified Borg Scale were significantly different from their ratings of the intensity of dyspnea. Dyspnea-related anxiety and distress also appeared to be concepts independent from measures of state anxiety, negative affect, and anxiety before a treadmill test. (C) 2009 Wiley Periodicals, Inc. Res Nurs Health 33:4-19,2010
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