Does a reduction in alcohol use by Dutch high school students relate to higher use of tobacco and cannabis?

BMC Public Health

Table 2 Prevalence of alcohol use, smoking and cannabis use among students (aged 13–16) in 2005 and 2009 by gender (%)

	Total		Boys		Girls
	2005	2009^b	2005	2009^c	2005	2009^c
	N = 1,854	N = 2,088	N = 959	N = 1,023	N = 895	n = 1,064
Alcohol
Last month	61.8	36.5^a	60.5	37.7^a	63.1	35.1^a
Last month binge drinking^d	38.7	24.0^a	39.9	27.5^a	38.0	20.9^a
Last month been drunk or tipsy	29.7	16.5^a	28.8	19.3^a	30.7	13.9^a
Smoking
Weekly	13.9	11.4^a	12.0	11.4	16.0	10.4^a
Daily	9.7	7.9	9.0	8.8	10.5	7.2^a
Cannabis
Lifetime prevalence	21.6	15.3^a	23.2	21.0	19.9	9.9^a
Last month	9.9	7.6^a	11.0	10.7	8.7	4.1^a

^asignificant difference between the 2005 and 2009 survey: p <0.05, ^badjusted for gender, age and educational level, ^cadjusted for age and educational level, ^dbinge drinking: five or more glasses of alcohol per occasion

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