Key result
Negative general medication beliefs were associated with higher medication adherence, with 65% of included studies finding a negative association between harm beliefs and adherence.
Why the study?
Adherence to long-term therapy in chronic illnesses remains poor, and there was an open question regarding the impact of general beliefs about medicine on medication adherence.
How do general medication beliefs (harm and overuse) impact medication adherence in patients with chronic illnesses?
Population
11 studies of patients with hypertension, diabetes, COPD, and/or asthma
Comparison
General medication beliefs measured by the Beliefs about Medicine Questionnaire vs adherence
Design
Systematic review
Authors
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Challenges prevailing models of belief-driven nonadherence; extends observational synthesis but leaves causal inference open.
Systematic Review (n=11)
How do general medication beliefs (harm and overuse) impact medication adherence in patients with chronic illnesses?
Negative general medication beliefs, particularly regarding harm and overuse, are associated with lower medication adherence in patients with chronic illnesses.
Shahin et al. (2020) conducted a systematic review in Chronic illnesses (hypertension, diabetes, COPD, asthma) (n=11). General medication beliefs (harm and overuse beliefs) was evaluated on Medication adherence. Negative general medication beliefs were associated with higher medication adherence, with 65% of included studies finding a negative association between harm beliefs and adherence.
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