Effect of educational intervention on knowledge about hypertension and factors predicting adherence to drug therapy
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Key result
An educational intervention increased the percentage of hypertensive patients with good medication adherence from 41.3% to 48.3%, though this change was not statistically significant (p=0.369).
Why the study?
The study aimed to identify the degree of knowledge of hypertension among affected patients, identify factors predicting medication adherence, and evaluate an educational intervention.
Does an educational intervention improve knowledge and adherence to antihypertensive therapy in hypertensive patients?
Population
600 patients with hypertension
Comparison
Educational intervention in the form of group discussions
Design
Quasi-experimental study
Authors
Discussion
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Member takes
Implication
Educational interventions alone may not boost adherence; leaves open whether multifaceted strategies improve hypertension outcomes.
Structured PICO
Does an educational intervention improve knowledge and adherence to antihypertensive therapy in hypertensive patients?
P
Population
598 adult patients with hypertension on treatment for over 6 months in Kano State, Nigeria, evaluated for medication adherence and knowledge before and after an educational intervention.
I
Intervention
Educational intervention consisting of group discussions on the importance of adherence, meaning of high blood pressure, complications, symptoms, diet, and exercise, administered over 5 months.
C
Comparator
Control group receiving standard care in 3 other facilities.
O
Outcome
Adherence to antihypertensive medication (assessed using Morisky medication adherence scale-8) and knowledge of hypertension.patient reported
Main Result
Absolute Event Rate: 48.3% vs 41.3%
p-value: p=0.369
Educational interventions in hypertensive patients significantly improve disease knowledge but may not significantly increase medication adherence on their own.
Limitations
- Quasi-experimental design rather than a randomized controlled trial
- Use of convenience sampling to recruit participants in the selected hospitals
- Reliance on self-reported adherence (Morisky medication adherence scale), which may be subject to recall or social desirability bias
- Discrepancies in reported knowledge outcome statistics between the abstract and the results section
Cite This Study
Ibrahim et al. (2022) studied Hypertension (n=598). Educational intervention (group discussions) vs. Pre-intervention baseline (and non-intervention control facilities) was evaluated on Good adherence to antihypertensive medication (p=0.369). An educational intervention increased the percentage of hypertensive patients with good medication adherence from 41.3% to 48.3%, though this change was not statistically significant (p=0.369).
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