|
Variable
|
Item
|
Dropout
|
Completed
|
Total
|
%
|
Chi square
|
|---|
|
N = 65
|
N = 43
|
N = 108
|
100
|
|---|
|
Participation in HAT
|
No
|
37 (56.9)
|
6 (14.0)
|
43
|
39.8
|
19.94, p < 0.001
|
|
Yes
|
28 (43.1)
|
37 (86.0)
|
65
|
60.2
|
|
Days in treatment
|
|
Mean
|
<113 days
|
50 (76.9)
|
10 (23.3)
|
60
|
55.6
|
30.18, p < 0.001
|
|
113+ days
|
15 (23.1)
|
33 (76.7)
|
48
|
44.4
|
|
Critical period
|
<90 days
|
44 (67.7)
|
5 (11.6)
|
49
|
45.4
|
32.82, p < 0.001
|
|
90+ days
|
21 (32.3)
|
38 (88.4)
|
59
|
54.6
|
|
Gender
|
Female
|
16 (24.6)
|
14 (32.6)
|
30
|
27.8
|
0.81, p = 0.367
|
|
Male
|
49 (75.4)
|
29 (67.4)
|
78
|
72.2
|
|
Age
|
<20 years
|
12 (18.5)
|
2 (4.7)
|
14
|
13
|
4.81, p = 0.090
|
|
20–26 years
|
43 (66.2)
|
31 (72.3)
|
74
|
68.5
|
|
27+ years
|
10 (15.4)
|
10 (23.3)
|
20
|
18.5
|
|
Years of schooling
|
<10 years
|
13 (20.0)
|
5 (11.6)
|
18
|
16.7
|
1.96, p = 0.376
|
|
10–12 years
|
42 (64.6)
|
28 (65.1)
|
70
|
64.8
|
|
13+ years
|
10 (15.4)
|
10 (23.3)
|
20
|
18.5
|
|
Primary substance
|
Cannabis
|
23 (35.4)
|
19 (44.2)
|
42
|
38.9
|
4.75, p = 0.577
|
|
Alchol
|
14 (21.5)
|
6 (14.0)
|
20
|
18.5
|
|
Heroin
|
12 (18.5)
|
5 (11.6)
|
17
|
15.7
|
|
Amphetamine
|
7 (10.8)
|
8 (18.6)
|
15
|
13.9
|
|
Benzodiazepine
|
5 (7.7)
|
3 (7.0)
|
8
|
7.4
|
|
GHBa
|
2 (3.1)
|
2 (4.7)
|
4
|
3.7
|
|
Cocaine
|
2 (3.1)
|
0 (0.0)
|
2
|
1.9
|
|
No. of substances
|
1 substances
|
20 (30.8)
|
15 (34.9)
|
35
|
32.4
|
0.15, p = 0.292
|
|
2 substances
|
16 (24.6)
|
15 (34.9)
|
31
|
28.7
|
|
3 substances
|
29 (44.6)
|
13 (30.2)
|
42
|
38.9
|
|
Age of first use
|
<16 years
|
35 (53.8)
|
22 (51.2)
|
57
|
52.8
|
0.08, p = 0.785
|
|
16+ years
|
30 (46.2)
|
21 (48.8)
|
51
|
47.2
|
|
Substitution medicineb
|
No
|
55 (84.6)
|
37 (86.0)
|
92
|
85.2
|
0.42, p = 0.840
|
|
Yes
|
10 (15.4)
|
6 (14.0)
|
16
|
14.8
|
|
HSCL-25c
|
<1.75
|
12 (18.5)
|
7 (16.3)
|
19
|
17.6
|
0.09, p = 0.771
|
|
1.75+
|
53 (81.5)
|
36 (83.7)
|
89
|
82.4
|
|
Psych co-morbidity (at entry)
|
None diagnosed
|
32 (49.2)
|
26 (60.5)
|
58
|
53.7
|
2.25, p = 0.325
|
|
1 diagnosed
|
24 (36.9)
|
10 (23.3)
|
34
|
31.5
|
|
2+ diagnosed
|
9 (13.8)
|
7 (16.3)
|
16
|
14.8
|
|
Temporary exit
|
No exit
|
42 (64.6)
|
23 (53.5)
|
65
|
60.2
|
1.87, p = 0.393
|
|
1 re-entry
|
14 (21.5)
|
10 (23.3)
|
24
|
22.3
|
|
2+ re-entries
|
9 (13.8)
|
10 (23.3)
|
19
|
17.6
|
-
aGamma hydroxybutyrate (C4H8O3)
-
bOpioid pharmacotherapy
-
cHopkins Symptom Checklist-25
