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Table 7 Theoretical determinants of this study classified by COM-B categories and theoretical domains.

From: What explains the socioeconomic status gap in activity? Educational differences in determinants of physical activity and screentime

COM-B domain Theoretical domain Physical activity determinant measure Screen time determinant measure
Physical CAPABILITY Physical skill - -
Psychological CAPABILITY Knowledge
Cognitive and int.skills
Memory, attention, decision processes
Behavioural Regulation
Knowledge of recommendation
-
-
Action & coping planning, self-monitoring
Knowledge of recommendation
-
-
-
Automatic MOTIVATION Reinforcement
Emotion
-
Affective attitude
Automaticity
-
Affective attitude
Automaticity
Reflective MOTIVATION Identity
Beliefs about capabilities
Optimism
Intention
Goals
Beliefs about consequences
Identity
Self-efficacy, PBC
-
Intention
-
Outcome expectations, instrumental att.
Identity
Self-efficacy, PBC
-
Intention
-
Outcome expectations, instrumental att.
Social OPPORTUNITY Social influences Injunctive & descriptive norms (peers, parents)
Parental support
PE teacher autonomy support
Injunctive & descriptive norms (peers, parents)
Parental restriction & rules
PE teacher autonomy support
Physical OPPORTUNITY Environmental context and resources Access to PA facilities
Material resources
TV, play console and computer in own room
  1. Note. PBC = Perceived Behavioural Control, PE = Physical Education