Table 8.

Substance use by subjects (n=58).

Questions posed by the surveys			Survey 1a, n	Survey 2b, n	P value
During the last 6 months, how often have you ingested drinks containing alcohol?
	Less than once a week		40	36	.49
	At least once a week		15	18
Have you ever tried any psychoactive substance?
	Yes		24	22	.70
	No		34	36
Which of the following, if any, have you tried?
	LSD
		Yes	2	5	.17
		No	22	17
	Ecstasy
		Yes	0	0	N/Ac
		No	24	22
	Cocaine
		Yes	5	6	.61
		No	19	16
	Marijuana
		Yes	23	21	.95
		No	1	1
	Tobacco
		Yes	19	19	.52
		No	5	3
	Poppers
		Yes	4	5	.60
		No	20	17
	Injectable drugs
		Yes	0	0	N/A
		No	24	22

^aPreintervention survey.

^bPostintervention survey.

^cNot applicable.