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Locus of control and weight reduction
Birgitta Adolfsson1, Ingalena Andersson, Stig Elofsson
1Department of Medicine, Obesity Unit, Huddinge University Hospital, Karolinska Institute, Norrtulls Sjukhus, Norrtullsgatan 14, 113 45 Stockholm, Sweden. birgitta.adolfsson@medhs.ki.se
Patient Education and Counseling
|December 14, 2004
Summary
Internal locus of control orientation predicts successful weight loss in behavior modification programs. Tailored interventions may enhance outcomes for individuals with external locus of control, promoting greater internal orientation.
Area of Science:
- Behavioral Psychology
- Obesity Research
- Health Psychology
Background:
- Weight management programs often yield variable results.
- Understanding psychological factors influencing adherence and success is crucial.
- Locus of control (LOC) is a key personality construct related to perceived control over life events.
Purpose of the Study:
- To investigate the predictive value of locus of control orientation for weight loss.
- To determine if LOC influences participant retention in a weight reduction program.
- To explore tailored intervention strategies based on LOC.
Main Methods:
- Longitudinal study design with 41 participants in a behavior modification weight reduction program.
- Administration of a 40-question locus of control questionnaire at baseline and 1-year follow-up.
- Statistical analysis of weight loss and correlation with LOC orientation.
Main Results:
- Significant weight loss was observed in participants (P < 0.001).
- Greater weight loss was significantly associated with an internal locus of control orientation (P < 0.05).
- 28 out of 41 participants completed the 1-year program.
Conclusions:
- Internal locus of control orientation is a significant predictor of successful weight loss.
- Personalized weight reduction programs, considering LOC, may improve efficacy.
- Interventions should aim to foster an internal locus of control for sustained weight management.