TABLE 1.

Profiles of Puberty, Age, and Substance Use Among 5721 Male and Female Survey Participants in Washington, United States, and Victoria, Australia

	Washington		Victoria
	Male, % (n = 1432)	Female, % (n = 1453)	Male, % (n = 1395)	Female, % (n = 1489)
Pubertal indices (PDS)
I	8	5	9	5
II	26	7	28	10
III	43	26	44	35
IV	20	56	17	46
V	3	7	2	4
Age, y
10	12	15	15	18
11	20	17	16	14
12	15	17	19	21
13	19	17	15	13
14	16	17	20	23
15	19	17	14	11
Tobacco use*
In past month	6	9	13	16
Daily	3	4	7	8
Alcohol use*
In past month	18	20	46	40
Weekly	7	6	19	12
Cannabis use*
In past month	9	10	5	4
Weekly	5	5	2	2
Substance use
Lifetime	25	25	39	34
Recent*	22	24	48	43
Abuse*	12	14	30	25

^*Grades 7 and 9 only.