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Table 3 Content and component BCTs of the four VBIs evaluated in the feasibility study

From: Development and feasibility study of very brief interventions for physical activity in primary care

General VBI content
Face-to-face discussion content Practitioner:
• Asks the participant if they are aware of the current PA recommendations.
• Informs the participant that the recommendations are for a minimum of 30 minutes of moderate-intensity activity on 5 or more days of the week, and emphasises that moderate PA is any activity that raises heart rate, breathing or sweating and includes the activities of daily living.
• Gives feedback on current PA and informs the participant of whether they are meeting the PA recommendations.
VBI-specific content
  VBI 1 Motivational VBI 2 Action planning VBI 3 Pedometer VBI 4 PA diary
Face-to-face discussion content Practitioner: Practitioner: Practitioner: Practitioner:
  • Asks the participant if they can think of any benefits of increasing their PA. • Asks the participant if they can think of any easy and/or enjoyable ways of increasing their PA; • Gives information about the 10,000 steps per day recommendation. • Asks the participant if they can think of any easy and/or enjoyable ways of increasing their PA.
  • Asks the participant if they can think of any easy and/or enjoyable ways of increasing their PA. • Encourages the participant to write an action plan for increasing their PA on the Action Planning sheet. • Shows the participant how to use the pedometer. • Explains how to use the diary to self-monitor PA.
    • Encourages the participant to monitor the number of steps walked each day. • Encourages the participant to write a PA goal for the coming week.
Participant materials Motivational booklet containing: Action planning sheet containing: Pedometer booklet containing: PA diary containing:
  • Information PA recommendations. • Information on the UK government PA recommendations. • Information on the UK government PA recommendations. • Information on the UK government PA recommendations.
  • Information about the health, social, environmental and emotional benefits of PA. • Instructions on how to write an action plan. • Instructions on how to use the pedometer and how to self-monitor daily steps. • Instructions on how to use the diary.
  • Questions about importance and confidence for increasing PA. • An example of an action plan for PA. Pedometer: • An example of a completed diary.
  • Tips for increasing PA (e.g. positive self-talk, social support, information on local PA resources). • Three blank templates for creating an action plan. • A Yamax Digiwalker SW200. • A four week diary.
Component BCTs* 1.1, 1.4, 2.2, 3.1, 5.1, 5.3, 5.6, 15.4 1.1, 1.4, 2.2 1.1, 1.4, 2.2, 2.3, 4.1, 12.5 1.1, 1.4, 2.2, 2.3, 5.4
  1. *Numbering refers to BCTTv1: 1.1 Goal setting (behaviour); 1.4 Action Planning; 2.2 Feedback on behaviour; 2.3 Self-monitoring of behaviour; 3.1 Social support (unspecified); 4.1 Instruction on how to perform the behaviour; 5.1 Information about health consequences; 5.3 Information about social and environmental consequences; 5.6 Information about emotional consequences; 12.5 Adding objects to the environment; 15.4 Self-talk.