Table 2.

Review outcomes

Primary health outcomes	Overweight/obesity; physical activity and sedentary behaviours; nutrition; tobacco use; alcohol use; substance use; sexual health; mental health; violence; bullying; infectious disease (e.g. diarrhoea, respiratory infections); safety and accident prevention; body image/eating disorders; sun safety; and oral health.
Primary educational outcomes	Academic achievement, including student standardised test scores or school-level academic achievement.
Secondary outcomes included	School attendance outcomes; other school-related outcomes (such as school climate or attachment to school).