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. 2022 Aug 25;36(12):1694–1704. doi: 10.1177/02692155221121006

Table 1.

Capability, Opportunity, Motivation Behaviour model (COM-B) sub-component definitions.20

COM-B component Sub-component Theoretical Domains Framework Domains
Capability Psychological Knowledge
Cognitive and interpersonal skills
Memory, attention, and decision processes
Behavioural regulation
Physical Skills
Opportunity Social Social influences
Physical Environmental context and resources
Motivation Reflective Social/professional role and identity
Beliefs about capabilities
Optimism
Beliefs about consequences
Intentions
Goals
Automatic Reinforcement
Emotion