
SS 13.30-15.00 Special sessions
Schools are systematically allocated to one of four groups: Group A: Control. Group B: Smoking prevention intervention, containing classroom programme, parental involving and teacher-courses. Group C: Like B, but without teacher-courses. Group D: Like B, but without parental involvement.
Written consensus from students and parents are obtained from 95%.
Data are obtained from the baseline survey in November 1994, and follow-up surveys in may 1995 and march/April 1996. Data from first follow-up survey show promising results (Adjusted odd's ratio in intervention group B 0.38 or 0.55 depending on smoking category included)
Results from baseline and first and second follow-up surveys will be presented, showing the effect of the smoking prevention programme on recruitment of smokers in the three different intervention groups.
Intervention design and lesson contents will be presented at the Helsinki conference elsewhere (Bergh and coworkers).

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