Validation and reliability of "adherence barriers quastionare" on patients with atrial fibrillation

Validation and Reliability of "Adherence Barriers Questionnaire" on Patients with Atrial Fibrillation Objective: This study is conducted to validate and evaluate the reliability of the Turkish form of Adherence Barriers Questionnaire (ABQ) and identify the drug compliance barrier on patients with Atrial Fibrillation (AF). Methodology: Fitting the criteria and diagnosed as AF, 164 patients monitored by Dokuz Eylul University Faculty of Medicine Cardiology Polyclinic are included in this methodological planned sample study. The research data is collected by using "Patient Identification Form" and "Adherence Barriers Questionnaire" via question-answer technique. First however, the questionnaire was translated to Turkish and following this, for content validity, expert opinions are evaluated and the necessary revisions are applied. Criterion-related validity is determined upon the average of sub-upper group method item analysis findings. Construct validity is evaluated with confirmatory factor analysis. As for reliability; it is explained by using "test- retest technique", "Cronbach's alfa method" and "total item correlation". Findings: The questionnaire is translated to Turkish. Content validity index value is found as 0,93. The finding (U:-7,48; p<0,0001 is derived based on the criteria validation of the questionnaire points between two groups; belonging to the upper 27% and the lower 27% evaluated by the "Mann-Whitney U" test. The confirmatory factor analysis revealed good agreement with the original version of the scale model (χ2=4,41). According to Pearson correlation analysis done for the reliability of the test-retest technique, there is a strong relation between the first and the second application (r=0,92; p=0,000). The questionnaire shows internal consistency with the 0,88 Cronbach alfa parameter. Conclusion: The Adherence Barriers Questionnaire is accepted as a highly reliable scale for identifying adherence barriers with AF patients in Turkey. Key words: Atrial Fibrillation; Drug Compliance; Drug Compliance Barrier; Validity; Reliability.