Depression has been recognized as a risk factor for foot ulceration in persons with diabetes mellitus. Using convenience sampling methods, a cross-sectional study was conducted among persons with type 2 diabetes treated in a diabetic foot clinic in Sao Paulo, Brazil between February 2010 and December 2011. One hundred (100) patients (average age 62 years, range 38 to 83 years), 50 with a foot ulcer and 50 at risk for developing a foot ulcer, participated. Symptoms of depression were assessed using the Beck Depression Inventory (BDI), where scores increase with severity; and patients were interviewed about foot self-care behaviors. Average BDI scores among patients with an ulcer were higher (mean 20.37; range 1 to 42) than those of patients that had not developed a foot ulcer (mean 15.70; range 2 to 49) (P ≤ 0.030). Self-care behavior was not significantly different between the two groups. Severe depression (P ≤ 0.049, OR≤ 6.56 95% CI 1.01-42.58) and male gender (P <0.001, OR≤14.87 95% CI 3.83-57.82) were associated with the presence of a foot ulcer. Despite reported adequate self-care behaviors, patients with an ulcer had more symptoms of depression than patients who were at risk for developing a foot ulcer. Studies examining cause-and-effect relationships between these observations and the potential role of depression interventions are needed. 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