Medication adherence in healthy elders: small cognitive changes make a big difference.

Abstract:

OBJECTIVE:This was a cross-sectional study of the ability of independently living healthy elders to follow a medication regimen. Participants were divided into a group with High Cognitive Function (HCF) or Low Cognitive Function (LCF) based on their scores on the ADAS-Cog. METHOD:Thirty-eight participants aged 65 or older and living independently in the community followed a twice-daily vitamin C regimen for 5 weeks. Adherence was measured using an electronic 7-day pillbox. RESULTS:The LCF group had significantly poorer total adherence than the HCF group (LCF: 63.9 +/- 11.2%, HCF: 86.8 +/- 4.3%, t( 36) = 2.57, p = .007), and there was a 4.1 relative risk of non-adherence in the LCF group as compared to the HCF group. DISCUSSION:This study has important implications for the conduct of clinical drug trials, as it provides strong evidence that even very mild cognitive impairment in healthy elderly has a detrimental impact on medication adherence.

journal_name

J Aging Health

authors

Hayes TL,Larimer N,Adami A,Kaye JA

doi

10.1177/0898264309332836

subject

Has Abstract

pub_date

2009-06-01 00:00:00

pages

567-80

issue

4

eissn

0898-2643

issn

1552-6887

pii

0898264309332836

journal_volume

21

pub_type

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