IRCT2014113017736N3 IRCT 2014-12-15 Golestan University of Medical Science (Technology and Information Department) Motivational Interviewing Effects on Hypertensive Patients Motivational Interviewing Effects on Hypertensive Patients attended to health centers of Gorgan city in 2014 2014-02-05 anticipated 140 Complete https://irct.ir/trial/16225 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Health service research. N/A Healthy lifestyle. Intervention 1: Control group: the content of this group included the recommendations and information in terms of change healthy lifestyle and adherence to treatment that conducted by a health center staff using a lecture and pamphlet about hypertension for six months (each session sized from 7 to 10 samples and was 30 to 45 minutes and1 session per month). Intervention 2: Motivational interviewing group: the intervention was done through a psychologist who was authorized, each group ranged from 7 to 10 subjects that trained for 6 sessions over six months (45 to 60 minutes for each session). It focused on the behavior change of patients regarding regular physical activity, healthy dietary habits, smoking cessation, reducing stress and taking medication on time. The psychologist asked the participants to record their daily diary, adherence to medication, smoking, dietary habits, physical activity, illness perception, physical and mental health. motivational interviewing session was implemented in the health center.