Socio-demographic characteristics
|
Gender
|
Male
|
6250
|
31.0
|
363
|
27.9
|
6741
|
38.9
|
530
|
40.0
|
−7.9 (−6.9 to −8.9)
|
<0.0001
|
Female
|
13,906
|
69.0
|
940
|
72.1
|
10,596
|
61.1
|
796
|
60.0
|
7.9 (6.9 to 8.9)
|
<0.0001
|
Age (years)
|
12–14
|
2801
|
13.9
|
149
|
11.4
|
3356
|
19.4
|
295
|
22.2
|
−5.5 (−4.7 to −6.3)
|
<0.0001
|
15–17
|
4657
|
23.1
|
319
|
24.5
|
6406
|
36.9
|
509
|
38.4
|
−13.8 (−12.9 to −14.7)
|
<0.0001
|
18–21
|
6584
|
32.7
|
422
|
32.4
|
5034
|
29.0
|
347
|
26.2
|
3.7 (2.8 to 4.6)
|
<0.0001
|
22–25
|
6114
|
30.3
|
413
|
31.7
|
2541
|
14.7
|
175
|
13.2
|
15.6 (14.8 to 16.4)
|
<0.0001
|
Indigeneity
|
Indigenous
|
941
|
4.7
|
41
|
3.1
|
885
|
5.1
|
49
|
3.7
|
−0.04 (−0.004 to −0.08)
|
0.0732
|
Not indigenous
|
15,842
|
78.6
|
1135
|
87.1
|
14,213
|
82.0
|
1158
|
87.3
|
−3.4 (−2.6 to −4.2)
|
<0.0001
|
Unknown
|
3373
|
16.7
|
127
|
9.7
|
2239
|
12.9
|
119
|
9.0
|
3.8 (3.1 to 4.5)
|
<0.0001
|
Remoteness area
|
Major city
|
10,190
|
50.6
|
795
|
61.0
|
10,683
|
61.6
|
831
|
62.7
|
−11.0 (−10.0 to −12.0)
|
<0.0001
|
Inner regional
|
5265
|
26.1
|
371
|
28.5
|
4075
|
23.5
|
385
|
29.0
|
2.6 (1.7 to 3.5)
|
<0.0001
|
Outer regional/remote/very remote
|
3391
|
16.8
|
99
|
7.6
|
2506
|
14.5
|
108
|
8.1
|
2.3 (1.6 to 3.0)
|
<0.0001
|
Unknown
|
1260
|
6.3
|
38
|
2.9
|
73
|
0.4
|
2
|
.2
|
5.9 (5.5 to 6.2)
|
<0.0001
|
Incomea
|
Low income
|
13,435
|
66.7
|
908
|
69.7
|
3936
|
22.7
|
291
|
21.9
|
44.0 (43.1 to 45.0)
|
<0.0001
|
Not low income
|
2514
|
12.5
|
203
|
15.6
|
8667
|
50.0
|
721
|
54.4
|
−37.5 (−36.6 to −38.4)
|
<0.0001
|
Unknown
|
4207
|
20.9
|
192
|
14.7
|
3111
|
17.9
|
265
|
20.0
|
3.0 (2.2 to 3.8)
|
<0.0001
|
Clinical characteristics
|
Previous history of mental health care
|
No previous history of mental health care
|
8822
|
43.8
|
589
|
45.2
|
1689
|
9.7
|
244
|
18.4
|
34.1 (33.3 to 35.0)
|
<0.0001
|
Previous history of mental health care
|
6833
|
33.9
|
506
|
38.8
|
1481
|
8.5
|
202
|
15.2
|
25.4 (24.6 to 26.2)
|
<0.0001
|
Unknown
|
4501
|
22.3
|
208
|
16.0
|
14167
|
81.7
|
880
|
66.4
|
−59.4 (−58.6 to −60.4)
|
<0.0001
|
Pre-treatment K-10
|
Low (10–15)
|
248
|
1.2
|
62
|
4.8
|
733
|
4.2
|
90
|
6.8
|
−3.0 (−2.7 to −3.3)
|
<0.0001
|
Moderate (16–21)
|
590
|
2.9
|
119
|
9.1
|
1279
|
7.4
|
187
|
14.1
|
−4.5 (−4.0 to −5.0)
|
<0.0001
|
High (22–29)
|
1790
|
8.9
|
411
|
31.5
|
2365
|
13.6
|
411
|
31.0
|
−4.7 (−4.1 to −5.3)
|
<0.0001
|
Very high (30–50)
|
3497
|
17.3
|
711
|
54.6
|
3858
|
22.3
|
638
|
48.1
|
−5.0 (−4.2 to −5.8)
|
<0.0001
|
Unknown
|
14,031
|
69.6
|
–
|
–
|
9102
|
52.5
|
–
|
–
|
17.1 (16.1 to 18.1)
|
<0.0001
|
Treatment profile
|
Number of psychological sessions
|
2–3
|
6370
|
31.6
|
136
|
10.4
|
6584
|
38.0
|
258
|
19.5
|
−6.4 (−5.4 to −7.4)
|
<0.0001
|
4–5
|
4713
|
23.4
|
202
|
15.5
|
3669
|
21.2
|
244
|
18.4
|
2.2 (1.4 to 3.0)
|
<0.0001
|
6
|
4455
|
22.1
|
461
|
35.4
|
1313
|
7.6
|
150
|
11.3
|
14.5 (13.8 to 15.2)
|
<0.0001
|
7–12
|
3876
|
19.2
|
414
|
31.8
|
3660
|
21.1
|
418
|
31.5
|
−1.9 (−1.1 to −2.7)
|
<0.0001
|
13–18
|
742
|
3.7
|
90
|
6.9
|
2111
|
12.2
|
256
|
19.3
|
−8.5 (−7.9 to −9.0)
|
<0.0001
|
Treatment received
|
Received CBT in at least one sessionb
|
13525
|
67.1
|
981
|
75.3
|
10,110
|
58.3
|
1045
|
78.8
|
8.8 (7.8 to 9.7)
|
<0.0001
|