Table 3 Identification of the possible BCTs that could be used in the intervention

Knowledge

Education

Training

Enablement

1. Feedback on outcome(s) of the behaviour (2.7)

2. Provide normative information about others behaviour/ experiences (BM5)

3. Information about health consequences (5.1)

4. Self-monitoring of behaviour (2.3)

5. Provide reassurance (RC10)

6. Feedback on behaviour (2.2)

7. Biofeedback (2.6)

8. Information about antecedents (4.2)

Beliefs about consequences

Education

Persuasion

1. Information about health consequences (5:1)

2. Credible source (9:1)

3. Self-monitoring of outcome(s) of behaviour (2.4)

4. Information about antecedents (4.2)

5. Pros and cons (9.2)

6. Salience of consequences (5.2)

7. Information about social and environmental consequences (5.3)

8. Information about emotional consequences (5.6)

9. Anticipated regret (5.5)

10. Comparative imagining of future outcomes (9.3)

Emotions

Persuasion

Environmental restructuring

Enablement

1. Information about health consequences (5.1)

2. Credible source (9.1)

3. Prompts/cues (7.1)

4. Action planning (1.4)

5. Habit formation (8.3)

6. Self-monitoring of behaviour (2.3)

7. Feedback on behaviour (2.2)

8. Feedback on outcome(s) of the behaviour (2.7)

9. Social support (emotional) (3.3)

10. Reduce negative emotions (11.2)