Determinant of behaviour | Function of intervention components | Underpinning behaviour change techniques | Intervention components and delivery methodsa |
---|---|---|---|
Intent | Establish | • Commitment | • Completion of application form (self-referral) • Attendance at briefing event • Agreement to attend 3 sessions a week over a 26 week period • Competitive selection process • Signing of contracts |
Knowledge | Educate | • Instruction on how to perform the behaviours | • Big group sessions • Small group sessions • One-to-one sessions • Communication via text and social media |
Beliefs about capabilities | Motivate/ Persuade | • Goal setting • Feedback • Verbal persuasion • Paradoxical instructions • Information on/salience of health consequences • Social comparison • Demonstration of behaviour • Modelling • Anticipated regret | • Milestone challenges • Weight loss targets • Visual feedback (progress graphs) • Verbal feedback (e.g. on food diary) • Physical feedback (e.g. revisiting challenging activities) • Feedback from family • Case studies • Letter writing • Visits from past clients • Social media |
Enable | • Support (practical and emotional) • Exposure • Graded tasks | • Social media and text communication • One-to-one sessions • Small group sessions • Milestone challenges | |
Social and environmental context | Restructure | • Restructuring the physical environment • Restructuring the social environment • Problem solving • Support (practical) | • One to one sessions • Family night |