accomplish weight loss. Aim Evaluate impact of internal motivation, locus of control and self-
efficacy on non-surgical weight loss treatment in patients with severe obesity. Methods A
total of 1196 patients, Body Mass Index≥ 35 kg/m 2, referred to obesity treatment were
included. Visual analogue scales for motivation, locus of control and self-efficacy were
completed before starting weight loss treatment. Results A total of 601 patients (42% drop …