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Predicting Adherence With the Glaucoma Treatment Compliance Assessment Tool
Facundo G Sanchez1, Steven L Mansberger1, Paula A Newman-Casey2
1Devers Eye Institute, Portland, OR.
Journal of Glaucoma
|August 3, 2020
Summary
The Glaucoma Treatment Compliance Assessment Tool (GTCAT) identified patient-specific factors linked to medication adherence. These findings can guide personalized interventions to improve glaucoma treatment adherence.
Area of Science:
- Ophthalmology
- Behavioral Science
- Health Services Research
Background:
- Glaucoma medication adherence is crucial for disease management.
- Poor adherence significantly impacts treatment efficacy and patient outcomes.
- Identifying factors influencing adherence is essential for developing effective interventions.
Purpose of the Study:
- To determine health behavior factors associated with glaucoma medication adherence.
- To identify patient-specific predictors of adherence using the Glaucoma Treatment Compliance Assessment Tool (GTCAT).
Main Methods:
- Employed electronic monitoring (AdhereTech) to track medication adherence over 3 months.
- Utilized Rasch analysis and regression models to analyze GTCAT statement associations with adherence.
- Administered GTCAT, Chang Adherence Measure, and Morisky Medication Adherence Scale to patients with self-reported poor adherence.
Main Results:
- Mean adherence was 73.8%; GTCAT demonstrated good fit and no bias.
- GTCAT statements correlated with increased knowledge, cues-to-action, self-efficacy, and decreased barriers and depression.
- Significant associations found between GTCAT subsets and adherence (R range: 0.44–0.51).
- GTCAT identified needs for more education (>50%), lack of reminders (>68%), and difficulty with eye drops (>40%).
Conclusions:
- The GTCAT effectively identifies multiple patient-specific factors influencing glaucoma medication adherence.
- This tool can guide clinicians and researchers in developing targeted interventions to improve adherence.
- Personalized interventions informed by GTCAT findings hold potential to optimize glaucoma management.
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