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IMB model-based education improved medication adherence and self-management in Parkinson's disease patients at six months versus routine care.

IMB model-based education improved medication adherence and self-management in Parkinson's disease p…
Photo by Andrey Metelev / Unsplash
Key Takeaway
Consider IMB model-based education for Parkinson's disease patients to potentially improve adherence and self-management at six months.

This randomized controlled trial investigated the effectiveness of an IMB model-based health education intervention compared to routine health education alone in a cohort of 70 patients with Parkinson's disease. The study assessed outcomes at two time points: three months and six months following the intervention. No specific details regarding the setting or funding sources were reported in the available data.

Regarding primary outcomes, medication adherence improved in both the intervention and control groups at the three-month assessment. However, by six months, the intervention group demonstrated significantly higher adherence levels than the control group, with a p-value less than 0.05. At the three-month mark, the difference between groups was not statistically significant (P > 0.05). Secondary outcomes included self-health management abilities and quality of life, measured using the PDQ-39 questionnaire.

Self-health management scores increased significantly over time in both groups, but the intervention group exhibited significantly greater improvement at both three and six months (P < 0.05 for both time points). For quality of life, no significant difference was observed between groups at three months. At six months, however, the intervention group showed significantly greater improvement in PDQ-39 scores compared to the control group (P < 0.05). Absolute numbers and effect sizes were not reported for any outcome.

Safety and tolerability data were not reported; no adverse events, serious adverse events, discontinuations, or specific tolerability metrics were documented. The study did not report specific limitations, funding sources, or conflicts of interest. Given the sample size and the lack of reported adverse events, the practice relevance is currently limited to educational settings where similar interventions might be implemented, pending further research on long-term sustainability and generalizability.

Study Details

Study typeRct
Sample sizen = 70
EvidenceLevel 2
Follow-up3.0 mo
PublishedApr 2026
View Original Abstract ↓
BACKGROUND: Intervention based on the information-motivation-behavioral skills (IMB) model have been applied in the self-management of patients with chronic diseases and achieved ideal results, but there were few reports on the application of this model in PD patients. OBJECTIVE: To evaluate the effectiveness of the IMB model-based intervention in improving medication adherence, self-health management abilities, and quality of life (QoL) in PD patients. METHODS: A total of 70 patients were randomly divided into the control group and the intervention group. The intervention group received IMB model-based health education, while the control group received routine health education only. The effectiveness of the intervention was evaluated by measuring medication adherence, self-management ability and QoL at 3 months and 6 months after the intervention. RESULTS: For medication adherence, at 3 months, medication adherence improved in both groups but showed no significant inter-group difference (P > 0.05). At 6 months, medication adherence in the intervention group was significantly higher than in the control group (P < 0.05). Self-health management scores significantly increased over time in both groups, and the intervention group demonstrated significantly greater improvement at both 3 months and 6 months (P < 0.05). While PDQ-39 scores showed no significant difference at 3 months (P > 0.05), the intervention group exhibited significantly greater improvement in QoL at 6 months (P < 0.05). CONCLUSION: IMB model-based health education takes into account patients' knowledge, motivation and behavioral skills, providing a structured and individualized intervention. It is a valuable approach for improving long-term medication adherence, enhancing self-management abilities, and ultimately boosting the QoL in PD patients.
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