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. 2018 Jun 27;32(8):883–892. doi: 10.1177/0269881118783299

Table 1.

Mean (±standard deviation (SD)) drug use in the past three months and total years of use.

	Use previous three months				Years of use
	Min	Max	Mean (SD)	n	Min	Max	Mean (SD)	n
Cannabis	10	100	50.13 (31.49)	15	3	14	6.5 (2.98)	14^a
Cocaine	0	10	3.80 (0.83)	15	1	6	3.62 (1.94)	13^a

^a

Missing data.