Table 1.

Examples of diverse outcome measures

Outcome	Outcome measures
Change in awareness	Awareness that an institution had a no-smoking policy Awareness that health warnings on cigarette packs had been changed
Change in attitude	Answer to the question 'Do you think young people who smoke have more friends?'
Change in perceived availability	Reported ease of obtaining cigarettes from shops
Change in self-reported smoking status	Prevalence of 'regular' smoking (at least one cigarette per day) Incidence of quitting