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- Title
Trajectories of Adherence to Airway Clearance Therapy for Patients with Cystic Fibrosis.
- Authors
Modi, Avani C.; Cassedy, Amy E.; Quittner, Alexandra L.; Accurso, Frank; Sontag, Marci; Koenig, Joni M.; Ittenbach, Richard F.
- Abstract
Objective Although cross-sectional studies have demonstrated poor adherence to airway clearance therapy (ACT) for patients with cystic fibrosis (CF), no studies have identified longitudinal patterns of adherence. The objective was to characterize and identify predictors of ACT adherence trajectories for individuals with CF. Methods Secondary data analyses were conducted for a randomized clinical trial examining differences in three ACTs. Participants (n = 153; M = 14.3 years, 55% male, 86% Caucasian, baseline FEV1% predicted: M = 86.7)/primary caregivers completed Daily Phone Diaries, an empirically supported adherence measure, every 4 months. Results Group-based trajectory modeling revealed the best-fitting solution was a three-group model: low-adherence (14%), medium-adherence (49%), and high-adherence (37%) groups. ACT type was the only significant predictor of adherence trajectories. Discussion Three trajectories of adherence to ACT for patients with CF were found. With the identification of trajectories, adherence interventions can be targeted for the subgroup at highest risk in order to prevent poor health outcomes.
- Subjects
CYSTIC fibrosis treatment; LUNG diseases; CLINICAL trials; MULTIPLE endocrine neoplasia; CLINICAL medicine; THERAPEUTICS
- Publication
Journal of Pediatric Psychology, 2010, Vol 35, Issue 9, p1028
- ISSN
0146-8693
- Publication type
Article
- DOI
10.1093/jpepsy/jsq015