Initiative Description: intervention among students from years 7 to 9, including three main intervention components: (i) completely smoke-free school grounds; (ii) parental involvement comprising two dimensions: (a) smoke-free contract between the student and an adult, preferably one of the parents, and (b) smoke-free dialogues; and (iii) smoke-free curriculum based on self-efficacy training and addressing outcome expectancies.
Study Results: Reduced risk of smoking.
Reference: Andersen, A., Krølner,R., Bast, L.F., Thygesen, L.C., Due, P. (2015) Effects of the X:IT smoking intervention: a school-based cluster randomized trial. International Journal of Epidemiology, 44(6), 1900-1908.
Level of Evidence: Very Good