Table 2 Intervention materials delivered across sessions and outline of content with associated theoretical constructs and behaviour change techniques

1–2

Activity Adoption Workbook

Aims of physiotherapy information on benefits of PA

Exercises to identify patient-centred PA goals

Activity diary

Autonomy

Competence

• Goal setting (behaviour and outcome)

• Problem-solving

• Review behaviour goals (and/or outcome)

• Action planning

• Self-monitoring of behaviour (and/or outcomes of behaviour)

Pedometer

Pedometer to self-monitor number of steps

Autonomy

Competence

• Self-monitoring of behaviour (and/or outcomes of behaviour)

• Feedback on behaviour (and/or outcomes)

Versus Arthritis Book: Osteoarthritis of the Knee/Hip General Information

Epidemiology of OA

Pathophysiology of OA

General treatment strategies

• Information on health consequences of performing the behaviour

• Information on social and environmental consequences

• Modelling/demonstration of behaviour

3–4

Routine Formation and Maintenance Booklet

Problem-solving exercises to identify barriers and solutions to physical and social environment as needed to maintain PA

Detail of local physical activity resources and support

Competence

Autonomy

Relatedness

• Problem-solving

• Social support (practical)

• Habit formation

• Generalisation of a target behaviour

• Restructuring of the social environment

Any

Theraband

Resistance band to enhance or make prescribed exercises more difficult

Autonomy

Competence

• Prompts and cues

• Habit formation

• Adding objects to the environment