Table 1.

Intervention materials and their relationship to theoretical constructs and behaviour change techniques

Intervention programme materials	Form and information content	Theoretical constructs	Behaviour change techniques
Workbook	Paper-based workbook incorporating general advice on moving more and sitting less, self-assessment measures of well-being, fatigue and mobility, benefits of moving more and sitting less, potential outcomes list; physical activity options; goal setting; self-monitoring, action planning; barrier identification, progress review; example goal sheets	Health Belief model (HBM) Constructs: all constructs of HBM Self-regulation theory Constructs targeted: Individual perceptions; likelihood of action; goal setting; problem solving; self-monitoring; feedback	Information about health consequences Salience of consequences Social support (HCP) Instruction on how to perform a behaviour Goal setting Problem solving Information about antecedents Monitoring of emotional consequences Information about emotional consequences Information about social and environmental consequences Habit formation Action planning Feedback on behaviour Self-monitoring
Discussion cards	Laminated discussion cards with potential physical activity options and outcomes	Self-regulation theory Constructs targeted: action planning Health Belief Model Constructs targeted: Individual perceptions	Action planning
Summary sheet	Paper-based sheet with goals, action plans and coping plans	Self-regulation theory Constructs: action planning, goal setting, problem solving	Goal setting (behaviour) Action planning Problem solving
Physical activity self-monitoring tools	Participants will select a physical activity or sedentary behaviour self-monitoring tool from a range of options including: paper-based activity diary; laminated wall activity planner/diary; pedometer; commercially available physical activity monitoring apps	Self-regulation theory Constructs targeted: self-monitoring	Self-monitoring
Physical activity repository	Paper-based repository of locally based physical activity options and online resources	Self-regulation theory Constructs targeted: goal setting	Instruction on how to perform a behaviour Social support