Clustering of smoking, alcohol drinking and cannabis use in adolescents in a rapidly developing country

BMC Public Health

Table 4 Prevalence of risk behaviors in adolescents in Seychelles and in selected countries

	Proportion (%)
	Age (y)	Boys	Girls	Total
Ever smoking
Seychelles*	11–17	54	41	48
South Africa (a)	13–15	-	-	44
England^£	11–15	37	41	39
USA^$	14–18	59	58	58
Switzerland^&	15	64	64	64
At least 1 cigarette in the past month
Seychelles	11–17	30	21	25
South Africa (a)	13–15	-	-	18
USA	14–18	30	35	28
England¹	11–15	11	17	14
Switzerland	15	22	21	21
At least 1 drink in the past month
Seychelles	11–17	49	48	48
South Africa (b)	16–17	50	32	-
USA	14–18	44	46	45
England	11–15	37	39	38
Switzerland	15	77	74	75
Ever drunkenness
Seychelles	11–17	47	43	45
USA²	14–18	29	28	28
England³	11–15	42	50	46
Switzerland	15	64	53	58
Ever used cannabis
Seychelles	11–17	20	9	14
South Africa (b)	16–17	32	13	-
USA	14–18	43	38	40
Switzerland	15	44	36	40
Cannabis use in the past year
Seychelles	11–17	17	8	12
South Africa (b)	16–17	22	9	-
USA	14–18	25	19	22
England	11–15	12	10	11
Switzerland	15	35	28	31

*Seychelles: n = 1,321, 2002.
^£England: n = 9,572, 2004, reference [25]; ^$USA: n = 15,214, 2003, reference [24].
^&Switzerland: n = 2,613, reference [26]
South Africa (a): n = 2,579, 2002, reference [20]; South Africa (b): Cape Town, n = 2,732, 1997–2001, reference [27].
¹ Regular occasional smoking.
² At least 5 drinks in a row.
³ Among students who drank in the past week.

ISSN: 1471-2458