|
SBQ-R mean item scores
|
Lifetime suicidality
|
3.04 (.893)
|
2.66 (.935)
|
2.94 (.92)
|
2.11 (.965)
|
H(2) = 119.05, p < .001
|
| |
Frequency of suicidal thoughts in the past year
|
3.13 (1.59)n
|
2.78 (1.5)n
|
3.03 (1.57)
|
1.83 (1.21)
|
H(2) = 101.35, p < .001
|
| |
Suicide threat
|
1.78 (.865)
|
1.52 (.75)
|
1.71 (.841)
|
1.28 (.57)
|
H(2) = 52.9, p < .001
|
| |
Likelihood of future suicide attempt
|
2.85 (1.8)
|
2.08 (1.71)
|
2.65 (1.81)
|
1.06 (1.25)
|
H(3) = 146.65, p < .001
|
| |
Total SBQ-R score
|
10.81 (4.05)
|
9.04 (3.9)
|
10.33 (4.08)
|
6.28 (3.08)
|
-
|
| |
> Psychiatric cut-off
|
230 (76.7)
|
48 (57.1)
|
294 (71.4)
|
183 (30.9)
|
X2(2) = 119.27 p < .001, φ = .42
|
|
SBQ-ASC visual aids
|
Yes
|
117 (38)
|
35 (31)
|
152 (36.1)
|
59 (22)
|
X2(2) = 17.21 p < .001, φ = .16
|
|
SBQ-ASC item 1: lifetime suicidality
|
Non-suicidal
|
19 (6.17)
|
10 (8.85)
|
29 (6.89)
|
81 (30.22)
| |
| |
Suicidal ideation—"brief passing thought"
|
45 (14.61)
|
40 (35.4)
|
85 (20.19)
|
82 (30.6)
| |
| |
Suicidal ideation—"seriously thought about"
|
41 (13.31)
|
13 (11.5)
|
54 (12.83)
|
40 (14.93)
| |
| |
Suicide plan
|
90 (29.22)
|
24 (21.24)
|
114 (27.08)
|
42 (15.67)
| |
| |
Suicide attempt
|
113 (36.69)
|
26 (23.01)
|
139 (33.02)
|
23 (8.58)
| |
| |
Mean item score
|
2.76 (1.26)
|
2.14 (1.35)
|
2.59 (1.31)
|
1.42 (1.3)
|
H(2) = 125.98, p < .001
|
|
Lifetime suicide attempt subgroup follow-up questions:
|
I had a plan that I carried out
|
66 (58.41)
|
12 (46.15)
|
78 (56.12)
|
10 (43.48)
|
X2(2) = 2.74, p = .254, φ = .131
|
| |
I had no plan
|
19 (16.81)
|
1 (3.85)
|
20 (14.39)
|
3 (13.04)
|
X2(2) = 3, p = .223, φ = .136
|
| |
I suddenly felt the urge to attempt to end my life (impulsivity)
|
44 (38.94)
|
12 (46.15)
|
56 (40.29)
|
12 (52.17)
|
X2(2) = 1.49, p = .474, φ = .096
|
| |
I happened to have access to the means to end my life
|
31 (27.43)
|
9 (34.62)
|
40 (28.78)
|
5 (21.74)
|
X2(2) = 1.02, p = .6, φ = .08
|
|
SBQ-ASC item 2: frequency of suicidal thoughts in last 12 months
|
Never
|
90 (29.22)
|
39 (34.51)
|
129 (30.64)
|
173 (64.55)
| |
| |
Less than once a month
|
81 (26.3)
|
36 (31.86)
|
117 (27.79)
|
64 (23.88)
| |
| |
Once a month
|
29 (9.42)
|
16 (14.16)
|
45 (10.69)
|
13 (4.85)
| |
| |
2–3 times a month
|
32 (10.39)
|
8 (7.08)
|
40 (9.5)
|
8 (2.99)
| |
| |
Once a week
|
23 (7.47)
|
4 (3.54)
|
27 (6.41)
|
4 (1.49)
| |
| |
2–6 times a week
|
33 (10.71)
|
9 (7.96)
|
42 (9.98)
|
5 (1.87)
| |
| |
1 or more times a day
|
20 (6.49)
|
1 (0.88)
|
21 (4.99)
|
1 (0.37)
| |
| |
Mean item score
|
1.99 (1.96)n
|
1.41 (1.56)n
|
1.83 (1.88)
|
.06 (1.09)
|
H(2) = 100.25, p < .001
|
|
SBQ-ASC item 3: duration of suicidal thoughts
|
N/A
|
57 (18.51)
|
34 (30.09)
|
91 (21.62)
|
146 (54.48)
| |
| |
Less than 5 min
|
38 (12.34)
|
22 (19.47)
|
60 (14.25)
|
46 (17.16)
| |
| |
Less than 1 h
|
71 (23.05)
|
22 (19.47)
|
93 (22.09)
|
27 (10.07)
| |
| |
1–4 h
|
73 (23.7)
|
19 (16.81)
|
92 (21.85)
|
30 (11.19)
| |
| |
5–8 h
|
29 (9.42)
|
7 (6.19)
|
36 (8.55)
|
5 (1.87)
| |
| |
More than 8 h
|
40 (12.99)
|
9 (7.96)
|
49 (11.64)
|
14 (5.22)
| |
| |
Mean item score
|
2.32 (1.6)
|
1.73 (1.58)
|
2.16 (1.61)
|
1.04 (1.45)
|
H(2) = 95.7, p < .001
|
|
SBQ-ASC item 4: Likelihood of acting on suicidal thoughts
|
N/A
|
43 (13.96)
|
28 (24.78)
|
71 (16.86)
|
127 (47.39)
| |
| |
No chance at all
|
49 (15.91)
|
25 (22.12)
|
74 (17.58)
|
70 (26.12)
| |
| |
Very unlikely
|
95 (30.84)
|
42 (37.17)
|
137 (32.54)
|
45 (16.79)
| |
| |
Rather unlikely
|
90 (29.22)
|
17 (15.04)
|
107 (25.42)
|
25 (9.33)
| |
| |
Rather likely
|
27 (8.77)
|
1 (0.88)
|
28 (6.65)
|
1 (0.37)
| |
| |
Very likely
|
4 (1.3)
|
0 (0)
|
4 (0.95)
|
0 (0)
| |
| |
Mean item score
|
2.07 (1.21)
|
1.45 (1.05)
|
1.9 (1.2)
|
.89 (1.02)
|
H(2) = 128.38, p < .001
|
|
SBQ-ASC item 5: communication of suicidality to others
|
Suicidal ideation
|
186 (60.39)
|
50 (44.25)
|
236 (56.06)
|
82 (30.6)
| |
| |
Future suicide attempt
|
82 (26.62)
|
19 (16.81)
|
101 (23.99)
|
26 (9.7)
| |
| |
Past suicide attempt
|
110 (35.71)
|
24 (21.24)
|
134 (31.83)
|
26 (9.7)
| |
| |
Mean item score
|
2.21 (2.25)
|
1.42 (1.95)
|
1.99 (2.2)
|
.79 (1.47)
|
H(2) = 78.68, p < .001
|
| |
Overall communication of suicidality
|
210 (68.2)
|
57 (50.4)
|
267 (63.4)
|
92 (34.3)
| |
|
5b: Communicated suicidal intent subgroup: person(s) disclosed to
|
An acquaintance
|
5 (2.6)
|
4 (7.4)
|
9 (3.6)
|
3 (3.2)
|
-
|
| |
A friend
|
73 (37.2)
|
19 (35.2)
|
92 (36.8)
|
40 (42.6)
|
X2(2) = 1.03, p = .6, φ = .05
|
| |
A family member
|
75 (38.3)
|
17 (31.5)
|
92 (36.8)
|
37 (39.4)
|
X2(2) = 1.02, p = .6, φ = .05
|
| |
A health professional (e.g. General Practitioner, family doctor, Psychiatrist, Psychologist)
|
138 (70.4)
|
36 (63)
|
172 (68.8)
|
56 (62.3)
|
X2(2) = 3.65, p = .16, φ = .1
|
| |
Other
|
25 (12.8)
|
8 (14.8)
|
33 (13.2)
|
15 (16)
|
X2(2) = .582, p = .75, φ = .04
|
|
5c: Non-disclosure subgroup: reasons
|
I had no one to tell
|
22 (16.2)
|
4 (7.1)
|
26 (13.5)
|
6 (9)
|
X2(2) = 3.95, p = .14, φ = .12
|
| |
I chose not to
|
38 (27.9)
|
19 (33.9)
|
57 (29.7)
|
31 (46.3)
|
X2(2) = 6.72, p = .035, φ = .16
|
| |
I was worried about the effect on others
|
55 (40.4)
|
22 (39.3)
|
77 (40.1)
|
28 (41.8)
|
X2(2) = 081, p = .96, φ = .02
|
| |
I was worried about the consequences for myself
|
39 (28.7)
|
19 (33.9)
|
58 (30.2)
|
8 (11.9)
|
X2(2) = 9.3, p = .01, φ = .19
|
| |
I wasn't sure how to express my thoughts
|
39 (28.7)
|
17 (30.4)
|
56 (29.2)
|
7 (10.4)
|
X2(2) = 9.51, p = .009, φ = .19
|
| |
I was afraid to
|
27 (19.9)
|
8 (14.3)
|
35 (18.2)
|
5 (7.5)
|
X2(2) = 5.35, p = .07, φ = .14
|
| |
I didn't consider telling anyone
|
19 (14)
|
15 (26.8)
|
34 (17.7)
|
18 (26.9)
|
X2(2) = 6.65, p = .036, φ = .16
|
| |
Other (please specify):
|
17 (12.5)
|
7 (12.5)
|
24 (12.5)
|
4 (6)
|
X2(2) = 2.2, p = .33, φ = .09
|
|
SBQ-ASC item 6 (n = 602)
|
Lifetime NSSI
|
160 (62.7)
|
45 (46.4)
|
205 (58.2)
|
66 (26.4)
|
X2(2) = 67.46, p < .001, φ = .335
|
|
SBQ-ASC
|
Total score
|
11.34 (6.39)
|
8.15 (5.85)
|
10.5 (6.4)
|
4.75 (5.09)
|
U = 12,308.5, p < .001*
|
| |
> = SBQ-ASC autism cut-off
|
138 (44.8)
|
27 (23.9)
|
165 (39.2)
|
28 (10.4)
|
X2(2) = 85.02 p < .001, φ = .35
|
