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