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Factors associated with adherence to pharmacological treatment among elderly persons using antihypertensive drugs

Glenda de Almeida Aquino Danielle Teles da Cruz Marcelo Silva Silvério Marcel de Toledo Vieira Ronaldo Rocha Bastos Isabel Cristina Gonçalves Leite About the authors



analyze adherence to pharmacotherapy and associated factors among elderly patients using at least one antihypertensive medication.


A cross-sectional, population-based study was performed of elderly patients resident in Juiz de Fora, Minas Gerais, Brazil. Adherence to medication was assessed with the Morisky-Green Test. Socio-demographic variables and variables related to health status, the health service and drug therapy were collected. The Poisson regression model was used to assess crude and adjusted (95% confidence interval) prevalence ratios (PR). The level of significance was tested using the Wald test.


The prevalence of adherence to pharmacological therapy was 47% (95% CI: 41%-53%). The sample consisted of 279 elderly persons, the majority of whom were women (69%), described themselves as white (45.5%), and had up to four years of schooling (76.48%). Regarding pharmacological therapy, the subjects took 5.19 (±2.8) medications and 7.1 (±4.4) tablets per day.


a significant association was observed between adherence to pharmacological therapy and the variables positive perception of vision, positive perception of hearing and absence of frailty.

Elderly; Hypertension; Medication Adherence.

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