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Table 2 Components of the healthcare professional-led intervention and their relationship to constructs within TPB and SCT

From: Movement as Medicine for Type 2 Diabetes: protocol for an open pilot study and external pilot clustered randomised controlled trial to assess acceptability, feasibility and fidelity of a multifaceted behavioural intervention targeting physical activity in primary care

Intervention component Form and information content Theoretical constructs
Discussion card Assessment of PA behaviour using a seven-day recall Attitudes/beliefs (TPB)
Forethought (SCT)
A decisional balance aid to assess the pros versus the cons for changing PA behaviour Intention (TPB)
Perceived Behavioural Control (TPB) and Self-efficacy (TPB)
Rulers assessing importance and confidence for change
Booklet Support to select an appropriate PA/exercise; set PA goals; consider means of social support; identify barriers/problem solve; set short and long-term goals; plan activity; self-monitor activity; prevent relapse Forethought (SCT)
Subjective norms (TPB)
Intention (TPB)
Self-regulation (SCT)
Perceived Behavioural Control (TPB) and Self-efficacy (TPB)
Activity planners/trackers Means to plan and monitor PA/exercise Self-regulation (SCT)
DVD Video recordings of adults with T2D engaging in PA/exercise and sharing their stories Symbolising (SCT)
Attitudes/beliefs (TPB)
Observational Learning (SCT)
Subjective norms (TPB)
Perceived Behavioural Control (TPB) and Self-efficacy (SCT)
Pedometer Device to monitor the number of steps taken each day Self-regulation (SCT)
Record of progress pad Record of readiness ruler outcomes; short and long-term PA/exercise goals; social support; potential barriers and ways to overcome them; self-monitoring method adopted; and activities of choice. Provides a mechanism for provision of feedback and an opportunity to monitor progress and recap during subsequent sessions Perceived Behavioural Control (TPB) and Self-efficacy (SCT)
Intention (TPB)
Self-regulation (SCT)
Diabetes UK Leaflet Leaflet entitled: Keeping active: an essential part of managing diabetes Attitudes/beliefs (TPB)
Perceived Behavioural Control (TPB) and Self-efficacy (SCT)
Intention (TPB)
  1. MaMT2D, Movement as Medicine for Type 2 Diabetes; TBP, Theory of Planned Behaviour; SCT, Social Cognitive Theory.