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Research ArticleOriginal Research

Physical Activity and Sedentary Behavior in Adults With Cystic Fibrosis: Association With Aerobic Capacity, Lung Function, Sleep, Well-Being, and Quality of Life

Máire Curran, Audrey C Tierney, Brenda Button, Louise Collins, Lauren Kennedy, Ciara McDonnell, Ali Sheikhi, Andrew Jurascheck, Brian Casserly and Roisin Cahalan
Respiratory Care March 2022, 67 (3) 339-346; DOI: https://doi.org/10.4187/respcare.09270
Máire Curran
School of Allied Health, University of Limerick, Limerick, Ireland.
University Hospital Limerick, Limerick, Ireland and Health Research Institute, University of Limerick, Limerick, Ireland.
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  • For correspondence: [email protected]
Audrey C Tierney
School of Allied Health, University of Limerick, Limerick, Ireland; Health Research Institute, University of Limerick, Limerick, Ireland; Health Implementation Science and Technology Research Group, Health Research Institute, University of Limerick, Limerick, Ireland and Department of Dietetics, Nutrition and Sport, La Trobe University, Melbourne, Australia.
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Brenda Button
Departments of Respiratory Medicine and Physiotherapy, The Alfred, Melbourne, Australia and Department of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia.
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Louise Collins
University Hospital Limerick, Limerick, Ireland.
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Lauren Kennedy
University Hospital Limerick, Limerick, Ireland.
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Ciara McDonnell
University Hospital Limerick, Limerick, Ireland.
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Ali Sheikhi
Health Research Institute, University of Limerick, Limerick, Ireland.
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Andrew Jurascheck
School of Allied Health, University of Limerick, Limerick, Ireland.
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Brian Casserly
University Hospital Limerick, Limerick, Ireland.
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Roisin Cahalan
School of Allied Health, University of Limerick, Limerick, Ireland; and Health Research Institute, University of Limerick, Limerick, Ireland.
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Abstract

BACKGROUND: Physical activity (PA) and sedentary behavior (SB) have marked impact on key prognostic indicators such as aerobic capacity and lung function in people with cystic fibrosis (CF) and may have associations with sleep, well-being, and health-related quality of life (HRQOL).

METHODS: This observational study assessed PA, SB, aerobic capacity, spirometry, sleep, well-being, and HRQOL in adults with CF at University Hospital Limerick. PA and SB were assessed using an accelerometer that was worn for 7 days. A cardiopulmonary exercise test assessed aerobic capacity. Spirometry was performed according to American Thoracic Society guidelines. Well-being was measured by the AWESCORE, sleep quality by the Pittsburgh Sleep Quality Index (PSQI), and HRQOL using the CF Questionnaire-Revised.

RESULTS: Thirty-three participants (13 males/20 females) were recruited. Mean age was 26.2 y (± 7.1 SD), with mean FEV1 72.9% of predicted (± 26.2 SD). Mean step count was 7,788 (± 3,583 SD). Over 75% of participants did not reach recommended PA targets (> 10,000 steps), with females being 25.5% less active than males. The PSQI indicated 48.5% of participants scored > 5, indicating poor sleep quality. Number of steps and SB demonstrated a moderate significant correlation with FEV1 (r = 0.45, P = .030; r = −0.37, P = .043, respectively) and sleep quality (r = −0.85, P < .001; r = 0.77, P < .001, respectively). Embedded Image peak expressed relative to body weight, and as a percentage of predicted, was significantly positively correlated with step count (r = 0.48, P = .007; r = 0.42, P = .02, respectively) but did not correlate with SB (P = .96). Embedded Image peak (L/min) strongly correlated with FEV1 (r = 0.75, P < .001).

CONCLUSIONS: Most participants did not meet PA targets. PA levels correlated to aerobic capacity, FEV1, and self-reported sleep quality, and this should be considered in longitudinal studies and in PA interventions.

  • Cystic fibrosis
  • physical activity
  • sleep
  • well-being

Footnotes

  • Correspondence: Máire Curran. E-mail: maire.curran{at}ul.ie
  • The authors have disclosed no conflicts of interest.

  • The Health Research Institute, University of Limerick, funded this research.

  • Copyright © 2022 by Daedalus Enterprises
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Respiratory Care: 67 (3)
Respiratory Care
Vol. 67, Issue 3
1 Mar 2022
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Physical Activity and Sedentary Behavior in Adults With Cystic Fibrosis: Association With Aerobic Capacity, Lung Function, Sleep, Well-Being, and Quality of Life
Máire Curran, Audrey C Tierney, Brenda Button, Louise Collins, Lauren Kennedy, Ciara McDonnell, Ali Sheikhi, Andrew Jurascheck, Brian Casserly, Roisin Cahalan
Respiratory Care Mar 2022, 67 (3) 339-346; DOI: 10.4187/respcare.09270

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Physical Activity and Sedentary Behavior in Adults With Cystic Fibrosis: Association With Aerobic Capacity, Lung Function, Sleep, Well-Being, and Quality of Life
Máire Curran, Audrey C Tierney, Brenda Button, Louise Collins, Lauren Kennedy, Ciara McDonnell, Ali Sheikhi, Andrew Jurascheck, Brian Casserly, Roisin Cahalan
Respiratory Care Mar 2022, 67 (3) 339-346; DOI: 10.4187/respcare.09270
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