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Prevalence and Correlates of Low Medication Adherence in Apparent Treatment-Resistant Hypertension

Irvin, Marguerite R.; Shimbo, Daichi; Mann, Devin M.; Reynolds, Kristi; Krousel-Wood, Marie; Limdi, Nita A.; Lackland, Daniel T.; Calhoun, David A.; Oparil, Suzanne; Muntner, Paul

Low medication adherence may explain part of the high prevalence of apparent treatment-resistant hypertension (aTRH). The authors assessed medication adherence and aTRH among 4026 participants taking ≥3 classes of antihypertensive medication in the population-based Reasons for Geographic and Racial Differences in Stroke (REGARDS) trial using the 4-item Morisky Medication Adherence Scale (MMAS). Low adherence was defined as an MMAS score ≥2. Overall, 66% of participants taking ≥3 classes of antihypertensive medication had aTRH. Perfect adherence on the MMAS was reported by 67.8% and 70.9% of participants with and without aTRH, respectively. Low adherence was present among 8.1% of participants with aTRH and 5.0% of those without aTRH (P<.001). Among those with aTRH, female sex, residence outside the US stroke belt or stroke buckle, physical inactivity, elevated depressive symptoms, and a history of coronary heart disease were associated with low adherence. In the current study, a small percentage of participants with aTRH had low adherence.

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Also Published In

Title
Journal of Clinical Hypertension
DOI
https://doi.org/10.1111/j.1751-7176.2012.00690.x

More About This Work

Academic Units
Center for Behavioral Cardiovascular Health
Publisher
Wiley
Published Here
September 12, 2016