Duration of drug use, median (IQR)
|
10 (5–13)
|
10 (4–12)
|
10 (5–13)
|
4 (1–8)
|
3 (1–6)
|
4 (1–7)
|
Duration of any drug use
| | | | |
n = 117
| | | | |
n = 1468
|
Users ≤12 months
|
7
|
6.9
|
3
|
20.0
|
10
|
8.6
|
303
|
25.2
|
82
|
30.7
|
385
|
26.2
|
Users > 12 months
|
95
|
93.1
|
12
|
80.0
|
107
|
91.4
|
898
|
74.8
|
185
|
69.3
|
1083
|
73.8
|
Methods PWUDs used drugs at the first time
|
Smoking
|
74
|
72.6
|
14
|
82.5
|
87
|
73.7
|
1158
|
96.7
|
254
|
93.7
|
1440
|
96.1
|
Sniffing/drinking
|
8
|
7.8
|
0
|
0
|
8
|
6.9
|
35
|
2.9
|
15
|
5.5
|
52
|
3.5
|
Injecting
|
20
|
19.6
|
2
|
12.5
|
22
|
18.6
|
4
|
0.3
|
2
|
0.7
|
6
|
0.4
|
Persons PWUDs used drug with at the first time
| | | | | | | | | | | | |
Friends
|
89
|
87.4
|
13
|
81.3
|
103
|
87.3
|
1141
|
95.2
|
202
|
74.5
|
1370
|
91.3
|
Sweethearts/spouses/relatives
|
8
|
7.8
|
2
|
12.5
|
10
|
8.4
|
26
|
2.2
|
47
|
17.3
|
73
|
4.9
|
Alone
|
4
|
3.9
|
0
|
0.0
|
4
|
3.4
|
29
|
2.1
|
14
|
5.2
|
43
|
2.9
|
Others
|
1
|
0.9
|
1
|
6.2
|
1
|
0.9
|
3
|
0.3
|
8
|
3.0
|
15
|
0.9
|
Persons who first introduced you to use drugs
|
Friends
|
85
|
83.3
|
12
|
75.0
|
98
|
83.0
|
1079
|
90.0
|
189
|
69.7
|
1292
|
86.1
|
Myself
|
8
|
7.8
|
2
|
12.5
|
10
|
8.5
|
73
|
6.1
|
22
|
8.1
|
99
|
6.5
|
Sweethearts/spouses/relatives
|
8
|
7.8
|
2
|
12.5
|
10
|
8.5
|
44
|
3.7
|
49
|
18.1
|
76
|
5.1
|
Others
|
1
|
1.0
|
0
|
0.0
|
0
|
0.0
|
3
|
0.2
|
11
|
4.1
|
34
|
2.3
|
Types of illicit drug used in the past 12 months
|
Ice/amphetamine
|
79
|
77.5
|
14
|
87.5
|
92
|
78.0
|
998
|
82.9
|
203
|
74.6
|
1228
|
81.5
|
Yama (pill of methamphetamine)
|
30
|
29.4
|
7
|
43.8
|
37
|
31.4
|
557
|
46.3
|
148
|
54.4
|
710
|
47.1
|
Marijuana
|
16
|
15.7
|
1
|
6.3
|
17
|
14.4
|
140
|
11.6
|
13
|
4.8
|
153
|
10.2
|
Heroin
|
59
|
57.8
|
12
|
75.0
|
73
|
61.9
|
33
|
2.7
|
9
|
3.3
|
42
|
2.8
|
Ecstasy
|
4
|
3.9
|
3
|
18.8
|
7
|
5.9
|
54
|
4.5
|
26
|
9.6
|
80
|
5.3
|
Others (including inhalant)
|
13
|
8.1
|
1
|
1.5
|
19
|
16.1
|
149
|
12.4
|
17
|
6.3
|
136
|
5.3
|
Reported uses at least 2 drugs in past 12 months
|
58
|
56.8
|
12
|
75.0
|
70
|
59.3
|
455
|
37.9
|
107
|
39.4
|
562
|
38.1
|
Last injecting drugs with re-used syringes and needles (n = 119)
|
–
|
–
|
–
|
–
|
38
|
31.9
|
–
|
–
|
–
|
–
|
–
|
–
|
Reported sharing needles and syringes when injecting drugs in past month (n = 59)
|
–
|
–
|
–
|
–
|
21
|
35.6
|
–
|
–
|
–
|
–
|
–
|
–
|