The burden of non-adherence to cardiovascular medications among the aging population in Australia: A meta-analysis

Samantha J McKenzie; Deirdre McLaughlin; Justin Clark; Suhail A R Doi

doi:10.1007/s40266-015-0245-1

The burden of non-adherence to cardiovascular medications among the aging population in Australia: A meta-analysis

Samantha J McKenzie, Deirdre McLaughlin, Justin Clark, Suhail A R Doi

Research output: Contribution to journal › Article › Research › peer-review

27 Citations (Scopus)

Abstract

BACKGROUND: Non-adherence to cardiovascular medications is a problem worldwide, even in Australia, which has a socialized medical system, Medicare.

OBJECTIVE: The aim of this systematic review was to evaluate the burden of non-adherence to cardiovascular medications and factors thereof in Australia.

DATA SOURCES: Pubmed, Embase, CINAHL, PsycInfo, Cochrane Library databases were searched.

ELIGIBILITY CRITERIA: Articles were included if they were in English, peer-reviewed and provided empirical data on adherence to cardiovascular medication for an Australian cohort.

METHODS: A meta-analysis of prevalence of medication non-adherence using the double arcsine square root transformed proportion was undertaken. Studies were pooled in homogenous prevalence groups and factors that differed across groups were ascertained.

RESULTS: Five studies, including eight datasets and 76,867 subjects were analyzed. Three more or less homogenous prevalence categories were discernable: low [19 %, 95 % confidence interval (CI) 15-24], moderate (26 %, 95 % CI 23-29) and high (43 %, 95 % CI 43-44; this was a single study) prevalence of non-adherence. There were minimal clear patterns across groups in relation to typical factors of non-adherence (patient, condition, healthcare system or socioeconomic factors). Measurements used for non-adherence were similar for six of the eight included datasets, suggesting this did not affect prevalence of non-adherence or inclusion in a prevalence group.

CONCLUSIONS: Non-adherence to cardiovascular medications is a serious problem in the aging Australian setting with an overall prevalence of between 14 and 43 %. The lack of patterns in the typical factors of non-adherence suggests that another factor, such as patients' beliefs about their conditions and medications, may be playing a stronger role in their non-adherence than clinical or sociodemographic factors. This is an area for further research.

Original language	English
Pages (from-to)	217-225
Number of pages	9
Journal	Drugs and Aging
Volume	32
Issue number	3
DOIs	https://doi.org/10.1007/s40266-015-0245-1
Publication status	Published - 20 Mar 2015
Externally published	Yes

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title = "The burden of non-adherence to cardiovascular medications among the aging population in Australia: A meta-analysis",

abstract = "BACKGROUND: Non-adherence to cardiovascular medications is a problem worldwide, even in Australia, which has a socialized medical system, Medicare.OBJECTIVE: The aim of this systematic review was to evaluate the burden of non-adherence to cardiovascular medications and factors thereof in Australia.DATA SOURCES: Pubmed, Embase, CINAHL, PsycInfo, Cochrane Library databases were searched.ELIGIBILITY CRITERIA: Articles were included if they were in English, peer-reviewed and provided empirical data on adherence to cardiovascular medication for an Australian cohort.METHODS: A meta-analysis of prevalence of medication non-adherence using the double arcsine square root transformed proportion was undertaken. Studies were pooled in homogenous prevalence groups and factors that differed across groups were ascertained.RESULTS: Five studies, including eight datasets and 76,867 subjects were analyzed. Three more or less homogenous prevalence categories were discernable: low [19 %, 95 % confidence interval (CI) 15-24], moderate (26 %, 95 % CI 23-29) and high (43 %, 95 % CI 43-44; this was a single study) prevalence of non-adherence. There were minimal clear patterns across groups in relation to typical factors of non-adherence (patient, condition, healthcare system or socioeconomic factors). Measurements used for non-adherence were similar for six of the eight included datasets, suggesting this did not affect prevalence of non-adherence or inclusion in a prevalence group.CONCLUSIONS: Non-adherence to cardiovascular medications is a serious problem in the aging Australian setting with an overall prevalence of between 14 and 43 %. The lack of patterns in the typical factors of non-adherence suggests that another factor, such as patients' beliefs about their conditions and medications, may be playing a stronger role in their non-adherence than clinical or sociodemographic factors. This is an area for further research.",

author = "McKenzie, {Samantha J} and Deirdre McLaughlin and Justin Clark and Doi, {Suhail A R}",

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T1 - The burden of non-adherence to cardiovascular medications among the aging population in Australia

T2 - A meta-analysis

AU - McKenzie, Samantha J

AU - McLaughlin, Deirdre

AU - Clark, Justin

AU - Doi, Suhail A R

PY - 2015/3/20

Y1 - 2015/3/20

N2 - BACKGROUND: Non-adherence to cardiovascular medications is a problem worldwide, even in Australia, which has a socialized medical system, Medicare.OBJECTIVE: The aim of this systematic review was to evaluate the burden of non-adherence to cardiovascular medications and factors thereof in Australia.DATA SOURCES: Pubmed, Embase, CINAHL, PsycInfo, Cochrane Library databases were searched.ELIGIBILITY CRITERIA: Articles were included if they were in English, peer-reviewed and provided empirical data on adherence to cardiovascular medication for an Australian cohort.METHODS: A meta-analysis of prevalence of medication non-adherence using the double arcsine square root transformed proportion was undertaken. Studies were pooled in homogenous prevalence groups and factors that differed across groups were ascertained.RESULTS: Five studies, including eight datasets and 76,867 subjects were analyzed. Three more or less homogenous prevalence categories were discernable: low [19 %, 95 % confidence interval (CI) 15-24], moderate (26 %, 95 % CI 23-29) and high (43 %, 95 % CI 43-44; this was a single study) prevalence of non-adherence. There were minimal clear patterns across groups in relation to typical factors of non-adherence (patient, condition, healthcare system or socioeconomic factors). Measurements used for non-adherence were similar for six of the eight included datasets, suggesting this did not affect prevalence of non-adherence or inclusion in a prevalence group.CONCLUSIONS: Non-adherence to cardiovascular medications is a serious problem in the aging Australian setting with an overall prevalence of between 14 and 43 %. The lack of patterns in the typical factors of non-adherence suggests that another factor, such as patients' beliefs about their conditions and medications, may be playing a stronger role in their non-adherence than clinical or sociodemographic factors. This is an area for further research.

AB - BACKGROUND: Non-adherence to cardiovascular medications is a problem worldwide, even in Australia, which has a socialized medical system, Medicare.OBJECTIVE: The aim of this systematic review was to evaluate the burden of non-adherence to cardiovascular medications and factors thereof in Australia.DATA SOURCES: Pubmed, Embase, CINAHL, PsycInfo, Cochrane Library databases were searched.ELIGIBILITY CRITERIA: Articles were included if they were in English, peer-reviewed and provided empirical data on adherence to cardiovascular medication for an Australian cohort.METHODS: A meta-analysis of prevalence of medication non-adherence using the double arcsine square root transformed proportion was undertaken. Studies were pooled in homogenous prevalence groups and factors that differed across groups were ascertained.RESULTS: Five studies, including eight datasets and 76,867 subjects were analyzed. Three more or less homogenous prevalence categories were discernable: low [19 %, 95 % confidence interval (CI) 15-24], moderate (26 %, 95 % CI 23-29) and high (43 %, 95 % CI 43-44; this was a single study) prevalence of non-adherence. There were minimal clear patterns across groups in relation to typical factors of non-adherence (patient, condition, healthcare system or socioeconomic factors). Measurements used for non-adherence were similar for six of the eight included datasets, suggesting this did not affect prevalence of non-adherence or inclusion in a prevalence group.CONCLUSIONS: Non-adherence to cardiovascular medications is a serious problem in the aging Australian setting with an overall prevalence of between 14 and 43 %. The lack of patterns in the typical factors of non-adherence suggests that another factor, such as patients' beliefs about their conditions and medications, may be playing a stronger role in their non-adherence than clinical or sociodemographic factors. This is an area for further research.

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U2 - 10.1007/s40266-015-0245-1

DO - 10.1007/s40266-015-0245-1

M3 - Article

C2 - 25749743

SN - 1170-229X

VL - 32

SP - 217

EP - 225

JO - Drugs and Aging

JF - Drugs and Aging

IS - 3

ER -

The burden of non-adherence to cardiovascular medications among the aging population in Australia: A meta-analysis

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