Predictive validity of a medication adherence measure in an outpatient setting
- PMID: 18453793
- PMCID: PMC2562622
- DOI: 10.1111/j.1751-7176.2008.07572.x
Predictive validity of a medication adherence measure in an outpatient setting
Retraction in
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Retraction Statement: Predictive validity of a medication adherence measure in an outpatient setting.J Clin Hypertens (Greenwich). 2023 Sep;25(9):889. doi: 10.1111/jch.14718. Epub 2023 Aug 18. J Clin Hypertens (Greenwich). 2023. PMID: 37594022 Free PMC article.
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Notification.J Clin Hypertens (Greenwich). 2023 Sep;25(9):890. doi: 10.1111/jch.14712. Epub 2023 Aug 18. J Clin Hypertens (Greenwich). 2023. PMID: 37594186 Free PMC article. No abstract available.
Abstract
This study examines the psychometric properties and tests the concurrent and predictive validity of a structured, self-reported medication adherence measure in patients with hypertension. The authors also assessed various psychosocial determinants of adherence, such as knowledge, social support, satisfaction with care, and complexity of the medical regimen. A total of 1367 patients participated in the study; mean age was 52.5 years, 40.8% were male, 76.5% were black, 50.8% graduated from high school, 26% were married, and 54.1% had income <$5,000. The 8-item medication adherence scale was reliable (alpha=.83) and significantly associated with blood pressure control (P<.05). Using a cutpoint of <6, the sensitivity of the measure to identify patients with poor blood pressure control was estimated to be 93%, and the specificity was 53%. The medication adherence measure proved to be reliable, with good concurrent and predictive validity in primarily low-income, minority patients with hypertension and might function as a screening tool in outpatient settings with other patient groups.
Comment in
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Inconsistencies in the sensitivity and specificity values in an Review Paper published in the Journal of Clinical Hypertension.J Clin Hypertens (Greenwich). 2022 Oct;24(10):1390-1391. doi: 10.1111/jch.14353. Epub 2021 Aug 21. J Clin Hypertens (Greenwich). 2022. PMID: 34418272 Free PMC article. No abstract available.
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