Michael S. Wolf|Terry C. Davis|Laura M. Curtis|Jennifer A. Webb|Stacy Cooper Bailey|William H. Shrank|Lee A. Lindquist|Bernice Ruo|Mary V. Bocchini|Ruth M. Parker|Alastair J.J. Wood
Effect of Standardized, Patient-Centered Label Instructions to Improve Comprehension of Prescription Drug Use
Northwestern University|Capital Group (United States)|Emory University|Cornell University|Capital Group (United States)|Northwestern University|Northwestern University|Capital Group (United States)|Emory University|Northwestern University|Capital Group (United States)|Emory University|Brigham and Women's Hospital|Harvard University|Northwestern University|Capital Group (United States)|Emory University|Northwestern University|Capital Group (United States)|Emory University|Northwestern University|Emory University|Northwestern University|Capital Group (United States)|Cornell University
objective evaluate effectiveness standardized patientcentered label pcl instructions improve comprehension prescription drug use compared typical instructions methods total 500 adult patients recruited 2 academic 2 community primary care clinics chicago il shreveport la assigned receive follows 1 standard prescription instructions written times per day twice 3 times per day usual care 2 pcl instructions specify explicit timing standard intervals morning noon evening bedtime pcl 3 pcl instructions graphic aid visually depict dose timing medication pcl graphic outcome correct interpretation label instructions results instructions pcl format likely correctly interpreted compared standard instructions adjusted relative risk rr 133 95 confidence interval ci 125141 inclusion graphic aid pcl graphic decreased rates correct interpretation compared pcl instructions alone rr 093 95 ci 089097 patients low literacy better able interpret pcl instructions low literacy rr 139 95 ci 114168 p 0001 conclusion pcl approach could improve patients understanding use medication regimen