... of the Spanish Ministry of Health National Conference on Diabetes Mellitus [10], whichwas complemented by criteria for good care of theMadrid Primary Healthc are Service for the promotion of healthy ... AccessEffectiveness of PRECEDE model for health education on changes and level of control of HbA1c, blood pressure, lipids, and body massindex in patients with type 2 diabetes mellitusMiguel A Salinero-Fort1*†, ... 24 months of follow-up.Sample size For an alpha of 0.05, a power of 80%, and in order todetect an reduction of HbA1c of 0.3 percentage units,with a common standard deviation (SD) of 1.15, in...