Male
|
240/273
|
88
|
238/278
|
86
|
Age mean (SD)
|
25
|
(4)
|
24
|
(4)
|
Ethnicity
|
White
|
144/273
|
53
|
148/277
|
53
|
Black
|
62/273
|
23
|
65/277
|
23
|
Asian
|
30/273
|
11
|
29/277
|
10
|
Other
|
37/273
|
14
|
35/277
|
13
|
Marital status
|
Single
|
253/273
|
93
|
259/278
|
93
|
Married or cohabiting
|
14/273
|
5
|
17/278
|
6
|
Other
|
6/273
|
2
|
2/278
|
1
|
Educational attainment
|
No qualifications
|
48/273
|
18
|
43/277
|
16
|
GCSE or equivalent
|
104/273
|
38
|
133/277
|
48
|
A level or equivalent
|
67/273
|
25
|
58/277
|
21
|
Post 18 education (including HND, trade, degree)
|
54/273
|
20
|
43/277
|
16
|
Ever had open market employment
|
223/273
|
82
|
240/278
|
86
|
Any current work or study
|
67/273
|
25
|
73/278
|
26
|
Diagnosis
|
Schizophrenia or schizo-affective disorder
|
80/256
|
31
|
90/268
|
34
|
Bipolar affective disorder
|
26/256
|
10
|
19/268
|
7
|
Depression with psychotic symptoms
|
11/256
|
4
|
5/268
|
2
|
Other psychosis
|
139/256
|
54
|
154/268
|
57
|
Cannabis use
|
1–3 times a week
|
77/273
|
28
|
78/278
|
28
|
More than 3 times a week
|
196/273
|
72
|
200/278
|
72
|
Any work or study
|
58/183
|
32
|
58/189
|
31
|
Cannabis-positive urine
|
210/262
|
80
|
214/272
|
79
|
Number of days using cannabis*
|
108
|
(67, 156)
|
114
|
(70, 162)
|
History of cannabis dependence
|
238/273
|
87
|
236/278
|
85
|
Current cannabis dependence
|
183/238
|
77
|
185/236
|
78
|
PANSS positive symptoms median (IQR)
|
12
|
(9, 17)
|
13
|
(9, 16)
|
PANSS negative symptoms median (IQR)
|
14
|
(11, 19)
|
14
|
(10, 19)
|
EQ-5D-3L utility score
|
0.7619
| |
0.7652
| |
SF-6D utility score
|
0.6789
| |
0.6833
| |