Table 2.

Descriptives for Study Variables

Variable		N	M (SD)
Sensation Seeking
	Pleasure (Centered)	583	0 (2.74)
	Danger (Centered)	583	0 (1.90)
	Thrill (Centered)	583	0 (2.14)
Conduct Problems
	Age 12	333	1.70 (1.62)
	Age 13	369	1.89 (1.78)
	Age 14	382	2.24 (1.90)
	Age 15	333	2.22 (1.87)
	Age 16	283	2.20 (2.06)
	Age 17	233	1.97 (1.97)
	Age 18	141	1.47 (1.68)
Sexual Risk
	Age 12	362	.44 (.93)
	Age 13	402	.75 (1.13)
	Age 14	341	.97 (1.19)
	Age 15	332	1.06 (1.14)
	Age 16	287	1.30 (1.15)
	Age 17	237	1.43 (1.16)
	Age 18	142	1.65 (1.05)
Substance Use
	Age 12	388	.40 (1.08)
	Age 13	420	.54 (1.18)
	Age 14	432	.77 (1.35)
	Age 15	367	.81 (1.29)
	Age 16	321	1.12 (1.63)
	Age 17	259	1.25 (1.71)
	Age 18	165	1.34 (1.83)