Age first injected (M)
|
17.6*
|
20.3
|
% heroin first injected
|
59
|
63
|
% amphetamines first injected
|
41
|
33
|
No. drug classes ever used (M)
|
10.6
|
10.1
|
% heroin drug of choice
|
96
|
83
|
% heroin injected most in past month
|
87
|
83
|
Daily or more injecting past month
|
82
|
65
|
Heroin
| | |
injected last 6 months
|
100
|
96
|
Median days injected
|
175
|
170
|
Cocaine
| | |
injected last 6 months
|
50
|
48
|
Median days injected
|
6
|
5
|
Methamphetamine (ice)
| | |
injected last 6 months
|
36
|
35
|
Median days injected
|
36
|
5
|
Methamphetamine (speed)
| | |
injected last 6 months
|
36
|
29
|
Median days injected
|
2
|
3.5
|
Benzodiazepines
| | |
injected last 6 months
|
18
|
19
|
Median days injected
|
90
|
12
|
Alcohol
| | |
used last 6 months
|
68
|
68
|
Median days used
|
24
|
18
|
No. drug classes used last 6 months (M)
|
7
|
6.5
|
Spent money on drugs yesterday
|
100*
|
77
|
Median amount spent on drugs yesterday
|
$145**
|
$100
|