Table 1

Active intervention content in educational booklets

TDF domainBehaviour change technique20
Beliefs about capabilities
  1. Persuasion about capability

  2. Vicarious consequences

  3. Instruction on how to perform the behaviour

Beliefs about consequences
  1. Information about health consequences

  2. Information about social and environmental consequences

  3. Comparative imagining of future outcomes

  1. Goal setting (outcome)

Memory, attention, decision-making
  1. Prompts/cues

Social influences
  1. Social support

  2. Credible source

Behavioural regulation
  1. Action planning

  2. Problem-solving

  3. Self-monitoring of behaviour

  4. Adding objects to the environment

  • TDF, Theoretical Domains Framework.