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Consult Pharm. 2011 Apr;26(4):256-63. doi: 10.4140/TCP.n.2011.256.

A pilot study to assess cognition and pillbox fill accuracy by community-dwelling older adults.

Author information

1
Department of Pharmacy, University of Washington, Seattle, Washington.

Abstract

OBJECTIVE:

To assess pillbox fill accuracy and cognition among community-dwelling older adults.

DESIGN:

A descriptive, cross-sectional study.

SETTING:

Retail pharmacy.

PARTICIPANTS:

Convenience sample of English-speaking adults older than 60 years of age without dementia, taking more than four medications, and naive to Mediset use.

INTERVENTIONS:

In face-to-face interviews, subjects provided demographic, medical, and medication information, completed the Mini-Cog and Medi-Cog (combination of Mini-Cog and medication-transfer screen [MTS]), and filled their own medications in a pillbox. Data were analyzed using descriptive statistics and stepwise regression analysis with correctly filled pill count (PC) as the dependent variable and the cognitive screens as independent variables.

MAIN OUTCOME MEASURES:

Accuracy of the Mini-Cog, MTS, and Medi-Cog in predicting PC.

RESULTS:

Among 50 subjects (58% female, mean age 76.4 years), only one subject failed to pass the Mini-Cog and two failed to reach the criterion level of correctly filled PC. The mean (standard deviation) Mini-Cog score for the sample was 4.38 (0.81), MTS score was 4.1 (1.31), Medi-Cog score was 8.48 (1.82), and the mean PC was 97% (8%). The Mini-Cog and MTS individually accounted for about 30% of the variance (P < 0.001); the Medi-Cog accounted for 44% of the variance (P < 0.001), indicating strongest PC prediction.

CONCLUSION:

Nearly all study participants filled pillboxes accurately. The Medi-Cog was the strongest predictor of pillbox fill accuracy. Future studies of medication self-management abilities among community-dwelling older adults should include representative samples of this population, comprehensive assessment of health status, cognitive screening, pillbox fill accuracy, and the utilization of medications in filled pillboxes.

PMID:
21486736
DOI:
10.4140/TCP.n.2011.256
[Indexed for MEDLINE]

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