Key result
A transtheoretical model-based health intervention significantly reduced systolic blood pressure by 5.803 mm Hg compared to usual care at 12-month follow-up in newly-diagnosed hypertensive patients.
Why the study?
Hypertension poses significant cardiovascular risk, but medication adherence and blood pressure control remain suboptimal.
Does a transtheoretical model-based health intervention improve blood pressure control and medication adherence in newly-diagnosed hypertensive patients?
Population
400 newly-diagnosed hypertensive patients across six primary healthcare centers in China
Comparison
TTM-based health intervention vs usual care
Design
Clustered randomized controlled trial
Follow-up
12 months
Authors
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May support TTM group sessions in Chinese primary care for new HTN; extends stage-of-change models to community medication adherence.
RCT (n=400)
Open-label
Concealed random allocation using random numbers in a 1:1 ratio
Yes
Does a transtheoretical model-based health intervention improve blood pressure control and medication adherence in newly-diagnosed hypertensive patients?
Mean Difference: -5.803 (95% CI -9.716–-1.891)
Absolute Event Rate: 133.1% vs 136.7%
p-value: p=0.004
A transtheoretical model-based intervention significantly improved medication adherence and reduced systolic and diastolic blood pressure in newly-diagnosed hypertensive patients over 12 months.
Chen et al. (2022) conducted an RCT in Essential hypertension (newly diagnosed) (n=400). Transtheoretical model (TTM)-based health intervention vs. Usual care was evaluated on Systolic blood pressure at 12-month follow-up (MD -5.803 mm Hg, 95% CI -9.716, -1.891, p=0.004). A transtheoretical model-based health intervention significantly reduced systolic blood pressure by 5.803 mm Hg compared to usual care at 12-month follow-up in newly-diagnosed hypertensive patients.
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