| Methods |
Cohort study (reported as part of an RCT of a school‐based prevention programme)
Baseline survey: 1979
Follow‐up: One year (1980)
Site: Newcastle, Australia
Research question: Primary question was to evaluate an educational programme, secondary aim was to relate changes in smoking behaviour to changes in attitudes, knowledge, and personal and social factors.
Analysis: Chi Square, Logistic regression controlling for personal and social factors listed under interventions. |
| Participants |
5616 children between 10 and 12 years of age who were in years 5 and 6 in 1979, and progressed to years 6 and 7 in 1980. (87% of original sample, excludes participants whose records could not be linked or whose smoking behaviour could not be classified)
Survey method: Confidential self‐administered questionnaires completed during school time under the supervision of a member of the study team |
| Interventions |
Approval of cigarette advertising measured by semantic differential scales
Personal and social factors associated with adoption and quitting smoking also measured: sibling and friend smoking, weekly spending money, number of smoking parents, teacher's sex, exposure to educational programme. |
| Outcomes |
Smoking defined as puff in past 4 weeks.
Four groups defined on basis of smoking behaviour at baseline and follow‐up: never smoked/ became smokers by follow‐up/ smoked only at baseline/ smoked at both points. |
| Notes |
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