No RCTs were found
Self-management interventions Outcomes measured in the study  
A randomised control trial comparing lifestyle groups, individual counselling and written information in the management of weight and health outcomes over 12 months Ash, S. Obesity
Action-based behavioural techniques

Action-based and emotional-based behavioural techniques, delivered in groups
Self-efficacy, Weight management
The Effects of Extended Parallel Process Model on Obese Soldiers' Knowledge, Attitudes, and Practices about Obesity Management: A Randomized Controlled Clinical Trial Hosseini-Amiri, M. Obesity
Education delivered in groups
Knowledge, Self-efficacy, Weight management