Different studies in North-Switzerland showed that 9% of young boys and 3% of young girls tried to smoke cigarettes the first time with or before six years of age. Boys in the age of 17 to 21 from rural districts smoked cigarettes in 23%, girls in the equal age from rural regions in 14%. 17% of the non-smokers and only 2% of the smokers did not drink any alcohol. In Berne, 23% of the cigarette smokers and only 3% of non-smokers had ever taken drugs (marihuana, LSD) in their life.
瑞士北部的不同研究表明，9%的年轻男孩和3%的年轻女孩在6岁及6岁以前首次尝试吸烟。农村地区17至21岁的男孩吸烟率为23%，同龄农村地区女孩吸烟率为14%。17%的不吸烟者和仅2%的吸烟者从不饮酒。在伯尔尼，23%的吸烟者和仅3%的不吸烟者一生中曾吸食过毒品（大麻、麦角酸二乙酰胺）。
