Table 1.

Definition of variables

Variable	Definition
Current cigarette smoking	Students who smoked cigarettes on at least 1 day during the month preceding the survey
Ex-smoker/never smokers	Those who had been smokers before but had stopped smoking at the time of the survey were considered ex-smokers
Exposure to second-hand smoke (SHS) and supporting a ban on smoking in public places	Students who reported being exposed to SHS at home during the 7 days preceding the survey. Students who reported being exposed to SHS in public spaces during the 7 days preceding the survey Students who reported that they supported a ban on smoking in public places
Attitude and knowledge	Opinions of students towards smoking a cigarette, their knowledge on the harmful effects of smoking, and on the roles and responsibilities of health professionals
Tobacco education	Students who responded with ‘yes’ to having been taught about the dangers of smoking in the year preceding the survey
Tobacco lessons	Students who received formal training on cessation counselling and services during their medical training