Abstract
Objectives: Non-adherence limits the effectiveness of medications among patients with bipolar disorder. Many studies have investigated the predicting factors of non-adherence. This paper aims to present the pattern of adherence in patients with bipolar I disorder (BID).
Methods: Seventy six patients with BID enrolled in a prospective study. The Medication Possession Ratio (MPR) was used to evaluate patients' adherence to medications, and repeated measure analysis was performed to reveal the pattern of variations. A Persian translation of Drug Attitude Inventory (DAI-10) (shortened version) was used to assess the attitude of patients toward medications.
Results: the repeated measure analysis revealed that the adherence to medications successively decreased (p<0.001). Age, gender, marital status, educational level, comorbid substance abuse did not alter the pattern.
Conclusion: There is a decreasing pattern in the adherence to medications among BID patients, regardless of known predicting factors of non-adherence. It means even fully adherent patients could potentially become non-adherents during the course of maintenance treatment.
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© 2009, Author(s). This open-access article is available under the Creative Commons Attribution 4.0 (CC BY 4.0) International License (https://creativecommons.org/licenses/by/4.0/), which allows for unrestricted use, distribution, and reproduction in any medium, provided that the original work is properly cited.