Table 2.

Descriptive characteristics by drug of choice and gender (n = 157)

	n	M Age	% Male	Median SAI (3 months)	Median SAI (6 months)	Median SAI (12 months)
Primary substance
Alcohol	45	20.78	57.78	55.50	54.00	64.00
Cannabis	36	20.25	77.78	59.00	65.00	65.00
Opiates	33	20.70	75.76	60.00	60.00	61.50
Stimulants	30	20.03	76.67	63.00	61.00	64.00
Other	8	20.50	75.00	59.00	62.00	59.50
Gender
Male	108	20.57		58.00	60.00	61.00
Female	45	20.24		61.00	62.00	66.50
Total	153	20.48	70.59	54.17	54.17	56.67

Not all participants reported drug of choice.

‘Other’ drug of choice includes benzodiazepines, DXM, TCB, painkillers and polydrug users.