Document Detail


Health literacy and medication understanding among hospitalized adults.
MedLine Citation:
PMID:  22042745     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Patients' ability to accurately report their preadmission medications is a vital aspect of medication reconciliation, and may affect subsequent medication adherence and safety. Little is known about predictors of preadmission medication understanding.
METHODS: We conducted a cross-sectional evaluation of patients at 2 hospitals using a novel Medication Understanding Questionnaire (MUQ). MUQ scores range from 0 to 3 and test knowledge of the medication purpose, dose, and frequency. We used multivariable ordinal regression to determine predictors of higher MUQ scores.
RESULTS: Among the 790 eligible patients, the median age was 61 (interquartile range [IQR] 52, 71), 21% had marginal or inadequate health literacy, and the median number of medications was 8 (IQR 5, 11). Median MUQ score was 2.5 (IQR 2.2, 2.8). Patients with marginal or inadequate health literacy had a lower odds of understanding their medications (odds ratio [OR] = 0.53; 95% confidence interval [CI], 0.34 to 0.84; P = 0.0001; and OR = 0.49; 95% CI, 0.31 to 0.78; P = 0.0001; respectively), compared to patients with adequate health literacy. Higher number of prescription medications was associated with lower MUQ scores (OR = 0.52; 95% CI, 0.36 to 0.75; for those using 6 medications vs 1; P = 0.0019), as was impaired cognitive function (OR = 0.57; 95% CI, 0.38 to 0.86; P = 0.001).
CONCLUSIONS: Lower health literacy, lower cognitive function, and higher number of medications each were independently associated with less understanding of the preadmission medication regimen. Clinicians should be aware of these factors when considering the accuracy of patient-reported medication regimens, and counseling patients about safe and effective medication use.
Authors:
Marketa Marvanova; Christianne L Roumie; Svetlana K Eden; Courtney Cawthon; Jeffrey L Schnipper; Sunil Kripalani
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Publication Detail:
Type:  Journal Article     Date:  2011-10-31
Journal Detail:
Title:  Journal of hospital medicine : an official publication of the Society of Hospital Medicine     Volume:  6     ISSN:  1553-5606     ISO Abbreviation:  J Hosp Med     Publication Date:  2011 Nov 
Date Detail:
Created Date:  2011-12-05     Completed Date:  2012-04-16     Revised Date:  2013-06-27    
Medline Journal Info:
Nlm Unique ID:  101271025     Medline TA:  J Hosp Med     Country:  United States    
Other Details:
Languages:  eng     Pagination:  488-93     Citation Subset:  IM    
Copyright Information:
Copyright © 2011 Society of Hospital Medicine.
Affiliation:
School of Pharmacy, Belmont University, Nashville, Tennessee, USA.
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MeSH Terms
Descriptor/Qualifier:
Awareness
Confidence Intervals
Cross-Sectional Studies
Drug Toxicity*
Educational Measurement
Educational Status
Female
Health Knowledge, Attitudes, Practice*
Health Literacy / statistics & numerical data*
Hospitalization / statistics & numerical data*
Humans
Male
Medication Adherence / statistics & numerical data*
Middle Aged
Odds Ratio
Patient Education as Topic / methods*,  statistics & numerical data
Psychometrics
Questionnaires
Statistics as Topic
Grant Support
ID/Acronym/Agency:
K08 HL072806/HL/NHLBI NIH HHS; K23 HL077597/HL/NHLBI NIH HHS; R01 HL089755/HL/NHLBI NIH HHS
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