Locus of control and self-efficacy in relation to 12-month weight change after non-surgical weight loss treatment in adults with severe obesity – A clinical cohort study

Björkman, SofiaGothenburg University,Göteborgs universitet,Institutionen för medicin,Institute of Medicine (author)

Background: Sustainable dietary, behavioural and lifestyle changes are necessary to 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/m2, 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 out) completed 12-month weight loss treatment. After 12 months, 94.6% in the Very Low Energy Diet (VLED) group and 79.4% in the dietary treatment group had a weight loss of ≥5% of their body weight. No statistically significant associations were found between achieved weight loss in the VLED group, and locus of control or self-efficacy. Achieving ≥15% weight loss by dietary treatment was related to a higher score on self-efficacy compared to those who lost <5% in weight or dropped out. Conclusion: Self-efficacy appears to be important for weight loss when on dietary treatment without VLED. Attrition rate was higher among patients with lower score on self-efficacy at baseline. The study indicates that psychological factors associated with adherence to, and completion of weight loss treatment deserve attention.

Wallengren, O. (author)
Laurenius, AnnaGothenburg University,Göteborgs universitet,Institutionen för kliniska vetenskaper, Avdelningen för kirurgi,Institute of Clinical Sciences, Department of Surgery(Swepub:gu)xlauan (author)
Eliasson, Björn,1959Gothenburg University,Göteborgs universitet,Institutionen för medicin,Institute of Medicine(Swepub:gu)xelibj (author)
Larsson, Ingrid,1963Gothenburg University,Göteborgs universitet,Institutionen för medicin,Institute of Medicine(Swepub:gu)xlaing (author)
Göteborgs universitetInstitutionen för medicin (creator_code:org_t)

By the author/editor: Björkman, Sofia; Wallengren, O.; Laurenius, Anna; Eliasson, Björn, ...; Larsson, Ingrid, ...

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