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Appointment-keeping behavior is not related to medication adherence in hypertensive African Americans
Gbenga Ogedegbe1, Antoinette Schoenthaler, Senaida Fernandez
1Behavioral Cardiovascular Health & Hypertension Program, Columbia University College of Physicians & Surgeons, New York, NY 10032, USA. goo1@columbia.edu
Insights
Appointment-keeping behavior did not correlate with medication adherence or blood pressure in hypertensive African Americans. Therefore, it cannot serve as a reliable indicator for medication adherence in this population.
Area of Science:
- Clinical Medicine
- Cardiovascular Health
- Health Disparities
Background:
- Hypertension management in African Americans requires understanding factors influencing treatment adherence.
- Medication adherence (ADH) and appointment-keeping are crucial for managing blood pressure (BP).
- The relationship between these factors needs clarification in community-based settings.
Purpose of the Study:
- To assess the association between appointment-keeping behavior, medication adherence (ADH), and blood pressure (BP) in hypertensive African Americans.
- To determine if appointment attendance can predict medication adherence or control of systolic and diastolic blood pressure (SBP and DBP).
Main Methods:
- A cohort of 153 hypertensive African Americans was studied over 12 months.
- Medication adherence was measured using a self-report questionnaire.
- Appointment attendance was logged, and BP was extracted from electronic medical records.
Main Results:
- No significant relationship was found between appointment attendance and medication adherence (ADH).
- Systolic and diastolic blood pressure (SBP and DBP) levels were not significantly associated with appointment-keeping behavior.
- Adjusted nonadherence rates and mean BP were similar across different appointment attendance categories.
Conclusions:
- Appointment-keeping behavior is not a reliable proxy for medication adherence in hypertensive African Americans.
- Clinical practices should not rely on appointment attendance to infer medication adherence in this patient group.
- Further research may explore other behavioral or social determinants of adherence.
Objective:
The relationship between appointment-keeping behavior, medication adherence (ADH), and systolic and diastolic blood pressure (SBP and DBP) was assessed in 153 hypertensive African Americans followed in a community-based practice.
Methods:
ADH was assessed with a self-report questionnaire. BP was obtained from electronic medical records and appointment attendance was determined from the log of all appointments made during the 12-month study period. Nonadherence rates were compared across appointment attendance categories with chi-square. Logistic regression was used to assess the relationship between ADH and appointment attendance, whereas multivariate analysis of covariance (MANCOVA) was used to examine the relationship between appointment attendance and BP.
Results:
Twenty-five percent of patients (87% women, mean age 52 years) did not miss any appointments, 44% missed 1-30%, and 31% missed greater than 30%. Adjusted nonadherence rates were similar for all 3 categories (70%, 66%, and 65%, respectively, p = 0.88) as were adjusted mean SBP and DBP in the MANCOVA model, [F (4, 218) = 1.13, p = .34]. Logistic regression analysis did not indicate a significant relationship between appointment attendance and ADH.
Conclusions:
Appointment-keeping behavior was not related to ADH or BP among hypertensive African Americans. It should not be used as a proxy for ADH in this patient population.
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