Scandinavian journal of caring sciences · 2015
Factors associated with low physical activity in patients with chronic obstructive pulmonary disease: a cross-sectional study.
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Tödt Kristina, Skargren Elisabeth, Jakobsson Per, Theander Kersti, Unosson Mitra
Аннотация
OBJECTIVES: Low physical activity (PA) in chronic obstructive pulmonary disease (COPD) is associated with poor prognosis. In addition, physical activity seems to be low early in the disease. The aim of this study was to describe the level of PA in patients with stable COPD and to explore factors associated with low PA, with a focus on fatigue, symptom burden and body composition
METHODS: In a cross-sectional study, 101 patients (52 women) with COPD were classified having low, moderate or high PA according to the International Physical Activity Questionnaire-Short. Fatigue, dyspnoea, depression and anxiety, symptom burden, body composition, physical capacity (lung function, exercise capacity, muscle strength), exacerbation rate and systemic inflammation were assessed. A multiple logistic regression was used to identify independent associations with low PA.
RESULTS: Mean age was 68 (±7) years, and mean percentage of predicted forced expiratory volume in 1 second was 50 (±16.5). Forty-two patients reported a low PA level, while 34 moderate and 25 reported high levels. Factors independently associated with low PA, presented as odds ratio (95% confidence interval), were severe fatigue 5.87 (1.23-28.12), exercise capacity 0.99 (0.99-1.0) and the number of pack-years 1.04 (1.01-1.07). No relationship was found between depression, anxiety, body composition, exacerbation rate or systemic inflammation and PA.
CONCLUSIONS: Severe fatigue, worse exercise capacity and a higher amount of smoking were independently associated with low PA. Promoting physical activity is important in all patients with COPD. Our result suggests that patients with severe fatigue might need specific strategies to prevent physical inactivity.
METHODS: In a cross-sectional study, 101 patients (52 women) with COPD were classified having low, moderate or high PA according to the International Physical Activity Questionnaire-Short. Fatigue, dyspnoea, depression and anxiety, symptom burden, body composition, physical capacity (lung function, exercise capacity, muscle strength), exacerbation rate and systemic inflammation were assessed. A multiple logistic regression was used to identify independent associations with low PA.
RESULTS: Mean age was 68 (±7) years, and mean percentage of predicted forced expiratory volume in 1 second was 50 (±16.5). Forty-two patients reported a low PA level, while 34 moderate and 25 reported high levels. Factors independently associated with low PA, presented as odds ratio (95% confidence interval), were severe fatigue 5.87 (1.23-28.12), exercise capacity 0.99 (0.99-1.0) and the number of pack-years 1.04 (1.01-1.07). No relationship was found between depression, anxiety, body composition, exacerbation rate or systemic inflammation and PA.
CONCLUSIONS: Severe fatigue, worse exercise capacity and a higher amount of smoking were independently associated with low PA. Promoting physical activity is important in all patients with COPD. Our result suggests that patients with severe fatigue might need specific strategies to prevent physical inactivity.