 To assay the influence of personality profile to promote behavior change adherence for physical activity using a pedometer. The investigators also studied the metabolic profile, diagnosis of depression, intention to change behavior, physical activity referred and the quality of life. Casuistic and Methods: a randomized quasi-experimental enrolling 48 T2DM patients using a pedometer for 6 weeks. The intervention group received phone calls stimulating them to increase their walking activity. The control group received only one telephone call to explain pedometer use. The investigators also analyzed the personality profile, quality of life, and metabolic and anthropometric indexes. 