What determines subjective health status in patients with chronic obstructive pulmonary disease: importance of symptoms
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BioMed Central
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What determines subjective health status in patients with chronic obstructive pulmonary disease: importance of symptoms in subjective health status of COPD patients Signe Berit Bentsen*1,2,5, Anne Hildur Henriksen3, Tore Wentzel-Larsen4, Berit Rokne Hanestad5 and Astrid Klopstad Wahl6 Address: 1Stord/Haugesund University College, Department of Nursing Education, Haugesund, Norway, 2Learning and Coping Centre, Haugesund Hospital, Haugesund, Norway, 3Department of Respiratory Medicine, University Hospital of Trondheim, Trondheim, Norway, 4Centre for Clinical Research, Haukeland University Hospital, Bergen, Norway, 5Department of Public Health and Primary Health Care, University of Bergen, Bergen, Norway and 6Institute of Nursing and Health Science, University of Oslo, Oslo, Norway Email: Signe Berit Bentsen* - [email protected]; Anne Hildur Henriksen - [email protected]; Tore WentzelLarsen - [email protected]; Berit Rokne Hanestad - [email protected]; Astrid Klopstad Wahl - [email protected] * Corresponding author
Published: 18 December 2008 Health and Quality of Life Outcomes 2008, 6:115
doi:10.1186/1477-7525-6-115
Received: 19 September 2008 Accepted: 18 December 2008
This article is available from: http://www.hqlo.com/content/6/1/115 © 2008 Bentsen et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract Background: Subjective health status is the result of an interaction between physiological and psychosocial factors in patients with chronic obstructive pulmonary disease (COPD). However, there is little understanding of multivariate explanations of subjective health status in COPD. The purpose of this study was to explore what determines subjective health status in COPD by evaluating the relationships between background variables such as age and sex, predicted FEV1%, oxygen saturation, breathlessness, anxiety and depression, exercise capacity, and physical and mental health. Methods: This study had a cross-sectional design, and included 100 COPD patients (51% men, mean age 66.1 years). Lung function was assessed by predicted FEV1%, oxygen saturation by transcutaneous pulse oximeter, symptoms with the St George Respiratory Questionnaire and the Hospital Anxiety and Depression Scale, physical function with the Incremental Shuttle Walking Test, and subjective health status with the SF-36 health survey. Linear regression analysis was used. Results: Older patients reported less breathlessness and women reported more anxiety (p < 0.050). Women, older patients, those with lower predicted FEV1%, and those with greater depression had lower physical function (p < 0.050). Patients with higher predicted FEV1%, those with more breathlessness, and those with more anxiety or dep
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