Proceedings of the 9th European Congress on. Patrick Callaghan - Nico Oud - Johan HÑ
kon Bj°rngaard. Henk Nijman - Tom Palmstierna - Joy Duxbury ...
Patrick Callaghan - Nico Oud - Johan Håkon Bjørngaard Henk Nijman - Tom Palmstierna - Joy Duxbury
Proceedings of the 9th European Congress on
VIOLENCE IN CLINICAL PSYCHIATRY
69
Predictors of violence among German forensic inpatients Paper
Keywords:
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groups violence
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comparison
Significance level
Continuous variables
n1
Mean
(SD)
n2
Mean
(SD)
t
df3
p
d4
Total work time until admission
225
54.3
90.2
306
129.9
139.4
7.57
521.2
.000
.67
Duration of sentence (concurrent sentence)*
231
11.4
25.7
340
5.71
18.4
-2.90
386.9
.004
-.25
Total no. of comorbid diagnoses
231
2.6
2.45
340
1.52
1.91
-5,71
412.2
.000
-.49
No. of comorbid personality disorder diagnoses
231
.19
.42
340
.09
.30
-3.31
389.1
.001
-.28
No.of comorbid psychotic diagnoses
231
.11
.32
340
.03
.19
-3.59
337.6
.000
-.31
No. of comorbid retardation diagnoses
231
.27
.53
340
.05
.24
-5.95
293.9
.000
-.51
No. of comorbid somatic diagnoses
231
1.3
1.97
340
.78
1.46
-3.60
395.2
.000
-.31
No. of prior admissions to psychiatric hospital
231
4.6
3.81
335
3.12
3.81
-4.71
478.4
.000
-.40
Age at admission to a forensic psychiatric hospital in the actual legal proceeding
231
32.1
12.2
339
42.1
14.7
8.78
547.6
.000
.75
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violence
comparison
Variable
n = 231
n = 340
specification
Family status at admission single
n1
%
n2
86%
209
228 196
%
325
married
9
4%
48
15%
20
9%
60
18%
widowed
3
1%
8
2%
231
s
l
l
Chi²
df
p
Effect Size V
33.39
3
.000
.25
49.57
6
.000
.30
64%
divorced Social life situation at time of offence
^
338
lives on his own
57
25%
130
38%
with significant other
14
6%
61
18%
with parents
51
22%
57
17%
assisted living
14
6%
13
4%
institution
55
24%
30
9%
other
35
15%
36
11%
homeless
5
2%
11
3%
71 Grade of formal schooling
223 31%
45
15%
special school
32
14%
16
5%
elementary school
72
32%
138
46%
junior high school
28
13%
52
17%
college entrance qualification
2
1%
14
5%
university entrance qualification
19
9%
36
12%
226 59
26%
No
167
74%
213
Yes No Type of offence (main offence)
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52%
150
48%
54%
99
46%
238
84%
114
40%
340 4%
12
23
10%
50
15%
violent physical assault
109
47%
104
31%
sexual offence
15
6%
16
5%
sexual offence against minors
16
7%
17
5%
other violent offence
19
8%
45
13%
theft
6
3%
18
5%
arson
28
12%
53
16%
traffic offence
0
0%
2
1%
drug offence
0
0%
4
1%
other offence
5
2%
19
6%
29%
135
231
338
67 39
17%
59
17%
Cluster A personality disorders
0
0%
2
1%
Cluster B personality disorders
19
8%
17
5%
sexual preference disorders
6
3%
5
1%
other pesonality disorders
20
9%
28
8%
mild mental retardation
19
8%
10
3%
severe mental retardation, organic disorders (dementia etc.)
34
15%
16
5%
alcohol-related disorders
4
2%
21
6%
other substance-related disorders
2
1%
9
3%
others
21
9%
36
11%
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attempted killing
paranoid schizophrenia
x
114
10
Diagnostic Group
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231
killing of a person
v
310
Yes Working activity before first diagnosis of mental illness?
u
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70
Any professional qualification at admission?
301
none
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1
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.53
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.41
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10
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sexual preference disorders
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1
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other pesonality disorders
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mild mental retardation
.07
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1
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7.36
1
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.81
1.23
1
.27
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other substance-related disorders
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1.00
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1
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.62
others
-.08
.52
.02
1
.88
.92
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.32
6.49
1
.01
.45
Duration of sentence (concurrent sentence)*
.01
.01
4.76
1
.03
1.01
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.84
.36
5.50
1
.02
2.31
Number of comorbid psychotic diagnoses*
1.42
.49
8.40
1
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4.13
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.90
.43
4.35
1
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2.46
No. of comorbid somatic diagnoses*
.18
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5.16
1
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1.20
Number of prior admissions to psychiatric hospital*
.09
.04
5.93
1
.01
1.09
Age at admission to forensic psychiatry in the actual legal proceeding*
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32.4
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3.36
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21.0
1
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