Utility of a brief screening tool for medication-related problems

Medication therapy management (MTM) services position pharmacists to prevent, detect, and resolve medication-related problems (MRPs.) However, selecting patients for MTM who are most at risk for MRPs is a challenge. Using self-administered scales that are practical for use in clinical practice are o...

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Bibliographic Details
Published in:Research in social and administrative pharmacy 2015-03, Vol.11 (2), p.253-264
Main Authors: Snyder, Margie E., Pater, Karen S., Frail, Caitlin K., Hudmon, Karen Suchanek, Doebbeling, Brad N., Smith, Randall B.
Format: Article
Language:English
Subjects:
Administration
Adolescent
Adult
Aged
Aged, 80 and over
Community Pharmacy Services - organization & administration
Cross-Sectional Studies
Female
Humans
Male
Medication therapy management
Medication Therapy Management - organization & administration
Middle Aged
Multivariate Analysis
Outcomes
Pharmaceutical care
Pharmacists - organization & administration
Pharmacy practice
Psychometrics
Regression Analysis
Reproducibility of Results
Surveys and Questionnaires
Young Adult
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Summary:Medication therapy management (MTM) services position pharmacists to prevent, detect, and resolve medication-related problems (MRPs.) However, selecting patients for MTM who are most at risk for MRPs is a challenge. Using self-administered scales that are practical for use in clinical practice are one approach. The objective of this study was to estimate the psychometric properties of a brief self-administered scale as a screening tool for MRPs. This was a non-randomized study utilizing questionnaires administered cross-sectionally. In Phase 1, patients (n = 394) at community pharmacies and outpatient clinics completed 78 items, provided to the study team by item authors, assessing perceived MRPs. These data were used to select items for further investigation as a brief, self-administered scale, and estimate the reliability and construct validity of the resulting instrument. In Phase 2, a convenience sample of patients (n = 200) at community pharmacies completed a nine-item, self-administered scale. After completion, they were engaged in a comprehensive medication review by their pharmacist who was blinded to questionnaire responses. The main outcome measure for estimating the criterion-related validity of the scale was the number of pharmacist-identified medication-related problems (MRPs.) Item statistics were computed as well as bivariate associations between scale scores and other variables with MRPs. A multivariate model was constructed to examine the influence of scale scores on MRPs after controlling for other significant variables. Higher scores on the questionnaire were positively correlated with more pharmacist-identified MRPs (r = 0.24; P = 0.001) and scores remained as a significant predictor (P = 0.031) when controlling for other relevant variables in a multivariate regression model (R2 = 0.21; P 
ISSN:1551-7411
1934-8150
DOI:10.1016/j.sapharm.2014.08.005