Table 8.

Behavioural objective – Reduce sedentary behaviour

EXTERNAL DETERMINANTS
Performance objective	Social norms	Social support	Resources and services
Reduce screen time ( TV and computer ) to < 2 hours per day	Peers and family are perceived to be reducing screen time	Peers and family support the reduction of screen time	Availability of adolescent-friendly health education material, delivered by an appropriate health care worker
Performance objective	Social norms	Social support	Resources and services
Select feasible active alternatives to screen time	Peers and family are perceived to be engaging in active alternatives	Peers and family support active alternatives	Availability of alternative active leisure opportunities Availability of adolescent-friendly health education material, delivered by an appropriate health care worker