TABLE 3.

Association Between Pubertal Stage and Substance Use Among 5725 School Students, 10 to 15 Years of Age, Stratified According to Age

Age, y	OR (95% CI)
	Lifetime Substance Use		Recent Substance Use		Substance Abuse
	Midpuberty	Late Puberty	Midpuberty	Late Puberty	Midpuberty	Late Puberty
10	2.1 (1.2-3.5)	2.0 (0.6-6.4)
11	2.8 (1.7-4.5)	7.3 (2.8-19)
12	1.2 (0.8-1.9)	2.9 (1.7-4.9)	1.3 (0.8-2.1)	2.2 (1.3-3.6)	1.8 (0.9-3.8)	3.2 (1.4-7.3)
13	2.0 (1.2-3.2)	2.9 (1.6-5.3)	1.2 (0.7-2.1)	1.4 (0.8-2.5)	2.3 (1.0-5.2)	2.8 (1.2-6.7)
14	1.3 (0.6-2.6)	1.6 (0.8-3.3)	1.9 (0.8-4.4)	2.7 (1.1-6.4)	3.2 (1.0-10)	5.5 (1.7-17)
15	2.3 (0.6-8.8)	3.7 (1.9-15)	1.7 (0.5-6.0)	2.5 (0.7-9.4)	1.0 (0.2-4.0)	1.3 (0.2-4.8)
Overall	1.7 (1.4-2.1)	3.0 (2.3-4.0)	1.3 (1.0-1.8)	1.9 (1.4-2.7)	2.0 (1.3-3.1)	3.0 (2.0-4.6)