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Cad Saude Publica. 2010 Dec;26(12):2389-98.

[Risk factors associated with non-adherence to anti-hypertensive medication among patients treated in family health care facilities].

[Article in Portuguese]

Author information

1
Centro de Ciências da Saúde, Fundação Universidade Regional de Blumenau, Blumenau, Brasil. erntsh@furb.br

Abstract

In order to estimate the prevalence of treatment non-adherence and associated factors among individuals with systemic arterial hypertension treated at family health care facilities, a cross-sectional study was performed with 595 patients. The dependent variable non-adherence was measured with a Medication Adherence Questionnaire (MAQ). A hierarchical logistic regression model was used to analyze socioeconomic, health care-related, personal, and treatment-related variables. Prevalence of non-adherence was 53%. Variables associated with non-adherence were: (1) socioeconomic--belonging to economic classes C, D, or E; work market participation in unskilled labor; (2) health care--out-of-pocket payment for medication; more than six months since last physician consultation; and (3) personal and treatment characteristics--previous interruption of treatment; being on treatment for less than three years; and presence of a common mental disorder. The study of determinants of non-adherence articulated in a hierarchical model suggests that social inequalities are either directly associated with non-adherence or mediated by personal and health services factors.

PMID:
21243233
[Indexed for MEDLINE]
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