Table 1.

Self-reported lifetime history of drug use

Drug use (number of times used in lifetime)	Min	Max	Mean (SD)	N never used	Number
Ecstasy/MDMA	3	100	16.8 (23.2)	0	20
Amphetamine	1	3	2.2 (1.0)	16	4
Cannabis	1	300	54.2 (76.2)	2	18a
Cocaine	2	20	7.4 (6.4)	12	8
Mushrooms	1	50	8.6 (18.3)	13	7
LSD	20	20	20.0 (0.0)	19	1

^aOne participant answered: ‘I have used this so often, I cannot estimate how often I have used it’