Effect of Subjective Reasoning and Neurocognition on Medication Adherence for Persons With Schizophrenia

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Abstract

Objective

This study investigated the relationship between patients' reasoning about medication adherence and neurocognitive and clinical indices for a treatment-compliant sample of Japanese patients with schizophrenia.

Methods

Subjective reasoning about medication adherence was assessed by the Rating of Medication Influences (ROMI) scale. General intelligence, executive function, and verbal memory were assessed by the Wechsler Adult Intelligence Scale-Revised, Wisconsin Card Sorting Test, and Rey Auditory Verbal Learning Test, respectively.

Results

Higher prevention scores were associated with lower executive functioning and older age. Influence of others was associated with years of education, medication dosage, and IQ, and medication affinity was associated with education.

Conclusions

These results suggest that executive functioning, education, and general IQ may all be important factors in individual motivation for medication adherence.

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