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- Title
Digital self-management of hip and knee osteoarthritis and trajectories of work and activity impairments.
- Authors
Kiadaliri, Ali; Lohmander, L. Stefan; Ignjatovic, Majda Misini; Nero, Håkan; Dahlberg, Leif E.
- Abstract
Objective: To investigate the trajectories of work and activity impairments among people participating in a digital self-management program for osteoarthritis (OA). Methods: We conducted an observational longitudinal study using data for baseline, 3, 6, 9 and 12 months follow ups from people participating in a digital OA treatment between June 2018 and September 2021. The Work Productivity and Activity Impairment–Osteoarthritis (WPAI–OA) questionnaire was used to measure work and activity impairments. We applied linear mixed models and group-based trajectory modelling (GBTM) to assess the trajectories of work and activity impairments and their variability. Dominance analysis was performed to explore the relative importance of baseline characteristics in predicting the trajectory subgroup membership. Results: A total of 14,676 participants with mean (± standard deviation) age 64.0 (± 9.1) years and 75.5% females were included. The adjusted mean improvements in work impairment from baseline were 5.8% (95% CI 5.3, 6.4) to 6.1% (95% CI 5.5, 6.8). The corresponding figures for activity impairment were 9.4% (95% CI 9.0, 9.7) to 11.3% (95% CI 10.8, 11.8). GBTM identified five (low baseline–declining, moderate baseline–declining, high baseline–declining, very high baseline–substantially declining, and very high baseline–persistent) and three (low baseline–declining, mild baseline–declining, high baseline–declining) subgroups with distinct trajectories of activity and work impairments. Dominance analysis showed that baseline pain was the most important predictor of membership in trajectory subgroups. Conclusion: While participation in a digital self-management program for OA was, on average, associated with improvements in work and activity impairments, there were substantial variations among the participants. Baseline pain may provide useful insights to predict trajectories of work and activity impairments.
- Subjects
SWEDEN; LABOR productivity; LONGITUDINAL method; STANDARD deviations; OSTEOARTHRITIS; SCIENTIFIC observation
- Publication
BMC Musculoskeletal Disorders, 2023, Vol 24, Issue 1, p1
- ISSN
1471-2474
- Publication type
Article
- DOI
10.1186/s12891-023-06322-z