Table 3.

Percentage of Subjects Who Reported Lifetime Years of Substance Use

Substance	Statistic	Marijuana Group	Cocaine Group
	N	50	153
Marijuana	% (n)	100 (50)	83.01 (127)
Cocaine	% (n)	40 (20)	100 (153)
Alcohol	% (n)	88 (44)	94.16 (145)
Heroin	% (n)	0 (0)	8.5 (13)
Methamphetamine	% (n)	0 (0)	.65 (1)
Opiates	% (n)	10 (5)	8.5 (13)
Barbituates	% (n)	2 (1)	9.15 (14)
Sedatives/Anxiolytics	% (n)	14 (7)	12.42 (19)
Amphetamines	% (n)	14 (7)	16.34 (25)
Halucinogens	% (n)	30 (15)	21.57 (33)
Inhalants	% (n)	2 (1)	4.58 (7)