Table 4.

Behaviour change techniques that will be employed to help participants address their personal strongest predictors of weight loss outcomes; theme based on theory and previous studies

Theme most predictive of the outcome	Behaviour change techniques to be used (examples)
Motivation	Techniques supporting motivation, for example, retrieval of past success, role models; coping models
Resources - sleep	Information provision; techniques to improve sleep; problem solving; action planning, coping planning and relapse prevention
Resources - stress	Information provision; techniques to lower stress levels, problem solving; action planning, coping planning and relapse prevention
Resources – energy level	Information provision; techniques to improve energy levels, for example, physical activity, problem solving
Resources - hunger	Information provision; techniques to deal with hunger; problem solving; action planning, coping planning and relapse prevention
Environment – social support	Searching for and enhancing social support; problem solving; action planning and coping planning
Resources – happiness	Information provision; techniques to improve mood; action planning and coping planning
Self-regulation – awareness	Techniques enhancing awareness of weight plan, for example, reminders
Self-regulation – obstacles	Coping planning, relapse prevention, problem solving
Habit – general	Habit formation techniques, identifying relevant cues
Habit - environment	Environmental restructuring, incentives and disincentives system
Competing goals	Dealing with multiple goals, goal prioritising, goal setting, goal contrasting, for example, based on goal importance
Other (chosen by the participant)	Various techniques, depending on the predictor selected, personally tailored to the participants by the intervention facilitator