title: Impact of feedback on physical activity levels of individuals with chronic obstructive pulmonary disease during pulmonary rehabilitation: A feasibility study.
abstract: This study aimed at investigating whether providing feedback on physical activity (PA) levels to patients with chronic obstructive pulmonary disease (COPD) is feasible and enhances daily PA during pulmonary rehabilitation (PR). Patients with COPD participated in a 12-week PR program. Daily PA was measured using activity monitors on weeks 1, 7, and 12, and feedback was given in the following weeks on the number of steps, time spent in sedentary, light, and moderate-to-vigorous intensity activities, and time spent standing, sitting, and lying. Compliance with PA monitoring was collected. Two focus groups were conducted to obtain patients' perspectives on the use of activity monitors and on the feedback given. Differences in PA data were also assessed. Sixteen patients (65.63 ± 10.57 years; forced expiratory volume in one second (FEV1) 70.31 ± 22.74% predicted) completed the study. From those, only eleven participants used the activity monitors during all monitoring days. Participants identified several problems regarding the use of activity monitors and monitoring duration. Daily steps (p = 0.026) and standing time (p = 0.030) were improved from week 1 to week 7; however, the former declined from week 7 to week 12. Findings suggest that using feedback to improve PA during PR is feasible and results in improved daily steps and standing time on week 7. The subsequent decline suggests that additional strategies may be needed to stimulate/maintain PA improvements. Further research with more robust designs is needed to investigate the impact of feedback on patients' daily PA.
authors.affiliation: Department of Health Sciences (SACS), University of Aveiro, Campus Universitário de Santiago, Aveiro, Portugal School of Health Sciences, University of Aveiro (ESSUA), Campus Universitário de Santiago, Aveiro, Portugal.
authors.forename: Joana
authors.initials: J
authors.lastname: Cruz
authors.affiliation: Department of Physical Therapy, Graduate Department of Rehabilitation Science, University of Toronto, Toronto, Ontario, Canada.
authors.forename: Dina
authors.initials: D
authors.lastname: Brooks
authors.affiliation: School of Health Sciences, University of Aveiro (ESSUA), Campus Universitário de Santiago, Aveiro, Portugal Cintesis. UA (Center for Health Tecnology and Services Research), Aveiro, Portugal amarques@ua.pt.
authors.forename: Alda
authors.initials: A
authors.lastname: Marques
mesh_terms: D056044:Actigraphy; D000368:Aged; D005240:Feasibility Studies; D005246:Feedback; D005260:Female; D017144:Focus Groups; D005541:Forced Expiratory Volume; D015438:Health Behavior; D006801:Humans; D008297:Male; D008875:Middle Aged; D010349:Patient Compliance; D010353:Patient Education as Topic; D011187:Posture; D029424:Pulmonary Disease, Chronic Obstructive / Q000503:physiopathology / Q000534:rehabilitation*; D055070:Resistance Training; D016138:Walking / Q000502:physiology / Q000706:statistics & numerical data
keywords: Accelerometer; chronic obstructive pulmonary disease; exercise; monitoring; physical activity; rehabilitation