Table 1.

List of risky behaviours and criteria used to define level of engagement

Risky behaviour	No engagement	Moderate engagement	High engagement
Frequency of bullying	None	1–3 times a month	≥ 1 a week
Physical fights in past year	None	1 fight	≥ 2 fights
Lifetime cigarette smoking	Never	1–29 day times	≥ 30 times
Current alternative tobacco products use	No	1 product	≥ 2 products
Frequency of alcohol consumption	Never for every type of alcoholic beverage	<  1 a month for any type of alcoholic beverage	≥ 1 a month for any type of alcoholic beverage
Number of alcoholic drinks per typical event*	Never drink	1 drink	≥ 2 drinks
Lifetime drunkenness*	Never	1 time	≥ 2 times
Frequency of binge drinking in past year*	Never	≤ 1 time a month	≥ 2 times a month
Lifetime illicit drug use*	Never for all drugs	Used any drug 1 time	Used ≥2 drugs or any drug ≥2 times
Lifetime cannabis use*	Never	1–5 times	≥ 6 times
Lifetime sexual history	No experience of sexual intercourse	Had sexual intercourse and always used contraception	Had sexual intercourse without contraception ≥1 time
Helmet use while riding bicycle	Never ride bike or always used helmet	Wore helmet sometimes or most of time	Never wore helmet
Caffeinated beverage consumption	Never	≤ 1 day week	≥ 2 days a week

*not included in analysis of grade 6–8 students because items were not included in their survey