Effect of education based on the Common-Sense Model of Self-Regulation on blood pressure and self-management of hypertensive patients: A clinical trial study.

Participants were limited to literate adults aged 40 to 65, so results may not apply to older patients, those with low literacy, or younger adults. Self-management was measured by self-report, which can be inflated by patients who know the study aims. The intervention was delivered by the study's main researcher, so it is unclear whether routine clinic nurses could replicate the effect without extensive training. Individual sessions were used because of the pandemic; the authors note group training might be more time-efficient but was not tested here. The paper does not report whether allocation concealment was maintained beyond the randomisation list, and blinding of participants was not possible. The intervention included both structured education and regular phone contact, so the relative contribution of each component cannot be separated.

Funded by the vice-chancellor for research and technology at Hamadan University of Medical Sciences. The authors declare no competing interests.

Do not assume the effect came from the Common-Sense Model content alone. The intervention group also received five face-to-face sessions plus a 10-minute phone call every three days, while controls received only a brief pamphlet and a short nurse chat at visits. The extra time, attention, and accountability from regular calls may account for much of the benefit, and the study cannot separate the model's specific techniques from this general dose of contact.