Related Experiment Video
Updated: Oct 11, 2025
Using Continuous Data Tracking Technology to Study Exercise Adherence in Pulmonary Rehabilitation
Published on: November 8, 2013
Predictors of Outpatient Pulmonary Rehabilitation Uptake, Adherence, Completion, and Treatment Response Among Male
Patricia M Bamonti1, Julia T Boyle2, Christina L Goodwin2
1VA New England Geriatric Research Education and Clinical Center (GRECC), VA Boston Healthcare System, Boston, MA; Department of Psychiatry, Harvard Medical School, Boston, MA.
Objective:
To examine predictors of uptake (never start), adherence (drop out), and completion of pulmonary rehabilitation (PR), as well as PR treatment response based on minimal clinically important difference (MCID) on the 6-minute walk test (6MWT) distance and Chronic Respiratory Questionnaire-Self-Report (CRQ-SR).
Design:
Retrospective, cohort study.
Setting:
Veterans Health Administration.
Participants:
U.S. veterans with chronic obstructive pulmonary disease (COPD) (N=253) referred to PR between 2010 and 2018.
Interventions:
Outpatient PR program.
Main Outcome Measures:
Participants completed baseline (time 1) measures of depression (Beck Depression Inventory-II), health-related quality of life (CRQ-SR), self-efficacy (Exercise Self-Regulatory Efficacy Scale [Ex-SRES]), and COPD knowledge. Exercise capacity was assessed with the 6MWT. Participants who completed all 18 sessions of PR repeated assessments (time 2). Logistic regression models examined predictors of uptake, adherence, and completion of PR as well as treatment response based on MCID.
Results:
Participants were referred to PR with 24.90% never starting, 28.90% dropping out, and 46.20% completing. No differences emerged between never starters and dropouts. Having a history of any cancer increased the likelihood of completing PR (vs never starting; odds ratio [OR], 3.18; P=.003). Greater CRQ-SR dyspnea score, indicating less dyspnea, was associated with increased likelihood of completing PR (OR, 1.12; P=.006). Past smoking compared with current smoking was associated with increased likelihood of completion (OR, 3.89; P≤.002). Those without a history of alcohol use disorder had increased likelihood of completing PR (OR, 2.23; P=.048). Greater baseline 6MWT distance was associated with lower likelihood of achieving MCID in 6MWT (OR, 0.99; P<.001). Greater Ex-SRES was associated with decreased likelihood of achieving 6MWT MCID (OR, 0.98; P=.023).
Conclusions:
Findings suggest that early psychoeducation on dyspnea management and smoking and alcohol cessation may increase completion of PR.
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