Effects of in-school and tailored out-of-school smoking prevention among Dutch vocational school students

This paper evaluates a smoking prevention intervention aimed at vocational school students, consisting of an existing Dutch in‐school program (three lessons each lasting 50 min) and a computer‐based tailored out‐of‐school program (three tailored letters with smoking prevention messages mailed to students’ homes). Nineteen schools that already participated in the in‐school program were randomly assigned to the in‐school or to the combined in‐school and out‐of‐school condition. The remaining 17 schools were randomly assigned to the out‐of‐school condition or to the control group. Effect outcomes... Mehr ...