Abstract

MUNOZ-FLOREZ, ANAMARIA  and  CORTES, OLGA. The Motivational Interview's Impact on Inactive Diabetic Patients' Adherence to Physical Activity: A Pilot Study of a Clinical Trial. Rev. colomb. psicol. [online]. 2017, vol.26, n.2, pp.263-281. ISSN 0121-5469.  https://doi.org/10.15446/rcp.v26n2.59963.

This article studies the feasibility and acceptability in a clinical trial of the impact of the motivational interview (MI) on inactive diabetic (diabetes mellitus) patients' adherence to physical activity (PA). This trial included thirty participants; sixteen received MI with telephone reinforcement for four weeks, the remaining received conventional care. PA, body mass index (BMI), blood glucose level and self-efficacy in PA were measured. The intervention group showed significant improvement in the PA (p<.05) and blood glucose level (p<.05). Taking into account the change in BMI for a large scale study, the calculation of the sample varies between 710 and 950 patients. For smaller-scale studies, taking into account the change in Metabolic Equivalent of Task (MET), blood glucose, and self-efficacy, the sample calculation ranges be tween 34 and 272 patients.

Keywords : diabetes mellitus; treatment compliance; physical activity; motivational interviewing; health care psycho logy; clinical trial.

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