Use of assessment instruments in forensic evaluations of criminal responsibility in Norway

BMC Psychiatry

Table 8 Associations between use of instruments and forensic conclusions, odds ratios (OR) estimated by GLMM

	Negative conclusion	Psychotic	Mental retardation	Disturbed consciousness	Severe mental disorder	No conclusion
Any instrument
OR	1	0.59	9.9	0.64	0.30	0.18	N = 500
95% CI	-	0.32–1.09	3.09–31.4	0.26–1.6	0.09–1.02	0.04–0.87	p < 0.001
p-value	-	0.09	< 0.001	0.33	0.05	0.03	ICC = 0.42
Structured interviews^a
OR	1	0.24	0.76	0.66	0.63	0.10	N = 500
95% CI	-	0.08–0.70	0.17–3.37	0.17–2.65	0.11–3.7	0.01–1.58	p = 0.13
p-value	-	0.009	0.72	0.56	0.61	0.10	ICC = 0.70
PANSS^b
OR	1	4.78	0.53	1.40	1.62	1	N = 487
95% CI	-	1.32–17.2	0.04–7.15	0.18–10.8	0.18–14.6	Empty	p = 0.14
p-value	-	0.017	0.63	0.75	0.67		ICC = 0.65
WAIS^c
OR	1	0.22	25.3	0.67	0.20	1	N = 487
95% CI	-	0.08–0.65	8.60–74.3	0.21–2.14	0.02–.87	Empty	p < 0.001
p-value	-	0.006	< 0.001	0.50	0.16		ICC = 0.31
Risk assessment^d
OR	1	0.95	1.00	1.38	1.58	1.10	N = 500
95% CI	-	0.50–1.78	0.40–2.55	0.59–3.20	0.56–4.51	0.23–5.14	p = 0.98
p-value	-	0.92	0.99	0.46	0.67	0.91	ICC = 0.00
Total	260	118	42	43	24	13	500

^aMini International Neuropsychiatric Interview or Structured Clinical Interview for DSM disorders I or Structured Clinical Interview for DSM disorders II or any combination of these
^bPositive And Negative Syndrome Scale
^cWechsler Adult Intelligence Scale
^dHistorical Clinical Risk-20 or Sexual Violence Risk-20 or both

ISSN: 1471-244X