Locus of control and anti-hypertensive medication adherence in Ghana

نویسندگان

  • Irene Akwo Kretchy
  • Frances Thelma Owusu-Daaku
  • Samuel Danquah
چکیده

INTRODUCTION Medication non-adherence is a major public health problem in Ghana. Locus of control (LoC) may influence adherence to medication. In this study we examine the association between locus orientation and adherence to hypertensive medication among adult patients. We also take into account the role of medication side effects. METHODS We conducted a hospital-based cross-sectional study involving two tertiary hospitals in southern and northern Ghana. Data were collected from 400 hypertensive patients using a structured questionnaire. We gathered information on patient's sociodemographic characteristics, health LoC, side effects of anti-hypertensive medication and adherence to anti-hypertensive medication. RESULTS Participants exhibited features of mixed LoC (both internal and external) usually referred to as bi-local expectancy. However, orientation was skewed towards external LoC. Females were marginally more likely than males to have an internal LoC. Education was associated with a greater likelihood of internal LoC. While most patients (93.3%) poorly adhered to antihypertensive medications, logistic regression model revealed that non-adherence was significantly associated with low internal LoC, medication side effects and the combined effect of medication side effects and external LoC. CONCLUSION Medication non-adherence, experiences of medication side effects and LoC are associated. Multifaceted intervention programmes highlighting personality characteristics like LoC may improve anti-hypertensive medication adherence.

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عنوان ژورنال:

دوره 17  شماره 

صفحات  -

تاریخ انتشار 2014