Obesity is associated with psychological factors, such as depression and anxiety. Both are included in the group of chronic non-communicable diseases. This study aimed to assess risks associated with anthropometric measures and to determine psychological factors that may be related to obesity. This is a cross-sectional study, conducted in the municipality of Chapecó, SC, with patients over 18 years old, with a BMI greater than or equal to 30 kg / m2, of both sexes. In all, 50 patients participated in the study. The average BMI, according to sex, was 39.2 kg/m² for men and 36.8 kg/m² for women. As for anthropometric measurements, most patients were considered at increased risk. As for psychological factors, 7.7% of the altered BMI was explained by the depression score. Anxiety explained 12.3% of the BMI. One can verify the co-determination between anxiety and depression and obesity.