Table 1.

Clinical characteristics in intimate partner femicide (IPF) and male-to-male homicide (MMH) perpetrators prior to the incident (national patient registry).

Variable	IPF	MMH	χ2	p -value	Odds ratio (OR)	95% confidence interval
	n (%) 46 (100)	n (%) 133 (100)
Any psychiatric care	19 (41.3)	70 (52.6)	1.8	0.185	0.633	(0.32–1.25)
Outpatient care	11 (23.9)	51 (38.3)	3.2	0.076	0.505	(0.24–1.08)
Inpatient care	15 (32.6)	54 (40.6)	0.9	0.337	0.708	(0.35–1.44)
Contact > year	11 (23.9)	33 (24.8)	0.02	0.903	0.952	(0.44–2.09)
Contact < year	3 (6.5)	29 (21.8)	5.4	0.020	0.250	(0.07–0.87)
Contact < month	5 (10.9)	8 (6.0)	F	0.323	1.905	(0.59–6.15)
Major mental disorder	2 (4.3)	11 (8.3)	F	0.520	0.504	(0.11–2.37)
Psychotic disorder	1 (2.2)	6 (4.5)	F	0.679	0.470	(0.06–4.01)
Bipolar and Schizoaffective disorder	1 (2.2)	5 (3.8)	F	1.000	0.569	(0.07–5.00)
Neuropsychiatric disorder	2 (4.3)	12 (9.0)	F	0.524	0.458	(0.10–2.13)
Depression/anxiety	8 (17.4)	22 (16.5)	0.02	0.894	1.062	(0.44–2.58)
Other diagnosis	7 (15.2)	24 (18.0)	0.2	0.662	0.815	(0.33–2.04)
Personality disorder	1 (2.2)	9 (6.8)	F	0.456	0.306	(0.04–2.49)
Substance related disorder	7 (15.2)	49 (36.8)	7.4	0.006	0.308	(0.13–0.74)
Any psychiatric diagnosis*	14 (30.4)	47 (35.3)	0.4	0.545	0.801	(0.39–1.65)
Both psychiatric and substance related disorders	3 (6.5)	26 (19.5)	4.27	0.039	0.287	(0.83–0.99)
Homicide-suicide	9 (19.6)	2 (1.5)	F	<0.001	15.932	(3.30–76.97)

^*Any psychiatric diagnosis including personality disorders excluding substance related disorders. Based on diagnoses from psychiatric outpatient and/or inpatient care.

The bold text indicates probability values less than .05 which are derived from two-tailed tests that were regarded as statistically significant.