• Yoon-A Choi and Young-Ran Kweon.
• Department of Nursing, Chonnam National University Hospital, Gwangju, South Korea.
• Patient Prefer Adher. 2023 Jan 1; 17: 124712551247-1255.

PurposeThis study examined the mediating effect of medication adherence self-efficacy (MASE) on the relationship between drug attitude (DA) and medication adherence (MA) in patients with early psychosis.Patients And MethodsA total of 166 patients, aged 20 years or older, and who had received treatment within 5 years of their initial psychotic episode at a University Hospital outpatient center, participated in the study. Data were analyzed using descriptive statistics, t-tests, one-way analysis of variance, Pearson's correlation coefficients, and multiple linear regression. Additionally, a bootstrapping test was conducted to determine the statistical significance of the mediating effect. All study procedures adhered to Strengthening the reporting of observational studies in epidemiology (STROBE) guidelines.ResultsThis study found a significant correlation between MA and DA (r=0.393, p<0.001), and between MA and MASE (r=0.697, p<0.001). MASE had a partial mediating effect on the association between DA and MA. The model that integrated both DA and MASE accounted for 53.4% of the variation in MA. Bootstrapping analysis indicated that MASE was a significant partial parameter (lower limit confidence interval [CI] 0.114; upper limit CI 0.356). Further, 64.5% of the study participants were either currently enrolled in college or had higher levels of education.ConclusionThese findings could potentially lead to a more personalized approach to medication education and adherence, considering the unique DA and MASE of each patient. By identifying the mediating effect of MASE on the relationship between DA and MA, healthcare providers could tailor interventions to enhance the ability of patients with early psychosis to adhere to prescribed medication regimens.© 2023 Choi and Kweon.

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