BACKGROUND: There is a large amount of research into and promotion of rational prescribing, but there is a comparative lack of investigation into deprescribing. The success of deprescribing is likely to be dependent on both medical and patient factors. OBJECTIVE: The aim of this study was to develop and validate a tool to capture the views and beliefs of patients regarding cessation of medications. Setting Participants were recruited from a multidisciplinary clinic at the Royal Adelaide Hospital and Hampstead Rehabilitation Centre. METHODS: The patients' attitudes towards deprescribing (PATD) questionnaire was developed through expert opinion and piloting. Psychometric testing included face, content and criterion validity, sensitivity and test-retest reliability. RESULTS: A final 15 item questionnaire was produced. Through piloting, expert review and gamma rank correlation with the previously validated beliefs about medicines questionnaire, the PATD was determined to be valid. Test-retesting resulted in a total concordance of 71.3 % (95 % confidence interval, 64.1-78.5 %). CONCLUSION: The PATD has acceptable psychometric properties and has potential for future use in research and practice to not only determine patients' willingness towards deprescribing, but also uncover what beliefs may influence this.
BACKGROUND: There is a large amount of research into and promotion of rational prescribing, but there is a comparative lack of investigation into deprescribing. The success of deprescribing is likely to be dependent on both medical and patient factors. OBJECTIVE: The aim of this study was to develop and validate a tool to capture the views and beliefs of patients regarding cessation of medications. Setting Participants were recruited from a multidisciplinary clinic at the Royal Adelaide Hospital and Hampstead Rehabilitation Centre. METHODS: The patients' attitudes towards deprescribing (PATD) questionnaire was developed through expert opinion and piloting. Psychometric testing included face, content and criterion validity, sensitivity and test-retest reliability. RESULTS: A final 15 item questionnaire was produced. Through piloting, expert review and gamma rank correlation with the previously validated beliefs about medicines questionnaire, the PATD was determined to be valid. Test-retesting resulted in a total concordance of 71.3 % (95 % confidence interval, 64.1-78.5 %). CONCLUSION: The PATD has acceptable psychometric properties and has potential for future use in research and practice to not only determine patients' willingness towards deprescribing, but also uncover what beliefs may influence this.
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