Title |
Item selection, reliability and validity of the Shortness of Breath with Daily Activities (SOBDA) questionnaire: a new outcome measure for evaluating dyspnea in chronic obstructive pulmonary disease
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Published in |
Health and Quality of Life Outcomes, November 2013
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DOI | 10.1186/1477-7525-11-196 |
Pubmed ID | |
Authors |
Teresa K Wilcox, Wen-Hung Chen, Kellee A Howard, Ingela Wiklund, Jean Brooks, Michael L Watkins, Charlotte E Cates, Maggie M Tabberer, Courtney Crim |
Abstract |
Chronic obstructive pulmonary disease (COPD) is characterized by irreversible, progressive obstruction of lung airflow. Dyspnea (shortness of breath [SOB]) is the COPD symptom which most negatively impacts patients' daily activities. To assess how SOB affects daily activities, 37 items were drafted through focus group discussions and cognitive interviews with COPD patients to develop a patient-reported outcome instrument: the Shortness of Breath with Daily Activities questionnaire (SOBDA). Psychometric analysis was conducted to reduce the number of items and evaluate the measurement properties of the final SOBDA. |
X Demographics
Geographical breakdown
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Unknown | 1 | 100% |
Demographic breakdown
Type | Count | As % |
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Members of the public | 1 | 100% |
Mendeley readers
Geographical breakdown
Country | Count | As % |
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United States | 2 | 4% |
Malaysia | 1 | 2% |
France | 1 | 2% |
Unknown | 49 | 92% |
Demographic breakdown
Readers by professional status | Count | As % |
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Student > Master | 13 | 25% |
Other | 8 | 15% |
Researcher | 7 | 13% |
Student > Ph. D. Student | 7 | 13% |
Student > Doctoral Student | 3 | 6% |
Other | 8 | 15% |
Unknown | 7 | 13% |
Readers by discipline | Count | As % |
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Medicine and Dentistry | 16 | 30% |
Psychology | 8 | 15% |
Nursing and Health Professions | 7 | 13% |
Social Sciences | 5 | 9% |
Mathematics | 2 | 4% |
Other | 4 | 8% |
Unknown | 11 | 21% |