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- Title
A Survey of Patients' Perceptions of Pill Appearance and Responses to Changes in Appearance for Four Chronic Disease Medications.
- Authors
Sarpatwari, Ameet; Gagne, Joshua J.; Lu, Zhigang; Campbell, Eric G.; Carman, Wendy J.; Enger, Cheryl L.; Dutcher, Sarah K.; Jiang, Wenlei; Kesselheim, Aaron S.
- Abstract
<bold>Background: </bold>Generic versions of a drug can vary in appearance, which can impact adherence.<bold>Objective: </bold>To assess the preferences, perceptions, and responses of patients who experienced a change in the appearance of a generic medication.<bold>Design: </bold>Cross-sectional survey of patients from a large commercial health plan.<bold>Participants: </bold>Adults receiving generic versions of lisinopril, fluoxetine, lamotrigine, or simvastatin who experienced a change in the color or shape of their pills between March 2014 and November 2015.<bold>Main Measures: </bold>Likert-scale responses to questions concerning perceptions of generic drug safety and effectiveness, reliance on and preferences for pill appearance, and responses to pill appearance changes. Multivariable logistic regression-modeled predictors of seeking advice and adjusting use following a pill appearance change.<bold>Key Results: </bold>Of 814 respondents (response rate = 41%), 72% relied on pill appearance to ensure they took the correct medication. A similar percentage wanted their pills to remain the same color (72%), shape (71%), and size (75%) upon refill, but 58% would not have paid a $1 premium on a $5 co-pay to ensure such consistency. Most respondents (86%) wanted their pharmacists to notify them about pill appearance changes, but only 37% recalled such notification; 21% thought they received the wrong medication, and 8% adjusted medication use. Younger respondents (18-33 vs. 50-57 years) were more likely to seek advice (odds ratio [OR] = 1.91; 95% confidence interval [CI],1.02-3.59), and respondents with lower household income (< $30,000 vs. > $100,000) were more likely to adjust medication use (OR = 3.40; 95% CI,1.09-10.67).<bold>Conclusions: </bold>Requiring uniform pill appearance may help increase adherence but presents challenges. Standardized pharmacy notification and education policies may be a more feasible short-term solution.
- Subjects
RUBELLA; ORAL contraceptives; CHRONIC diseases
- Publication
JGIM: Journal of General Internal Medicine, 2019, Vol 34, Issue 3, p420
- ISSN
0884-8734
- Publication type
journal article
- DOI
10.1007/s11606-018-4791-1