Table 4. Offspring violent offending in relation to having at least 1 parent affected by a specific psychiatric diagnosis, by exposure to the specific diagnosis only or additionally to other diagnoses.

Parental psychiatric diagnosis or suicide attempt	Exposure
	No.		IRR (95% CI) a
	Specific diagnosis only b	Specific diagnosis in addition to other parental disorders	Specific diagnosis only b	Specific diagnosis in addition to other parental disorders
Any mental disorders	11222c	2229d	2.12 (2.07-2.16)c	3.96 (3.79-4.13)d
Organic mental disorders	127	692	1.45 (1.21-1.71)	2.48 (2.30-2.67)
Dementia in Alzheimer disease	15	54	0.86 (0.50-1.37)	1.69 (1.28-2.19)
Vascular dementia	13	36	1.23 (0.67-2.02)	2.72 (1.93-3.71)
Any substance use disorders	1356	5288	2.60 (2.46-2.74)	3.28 (3.19-3.37)
Alcohol misuse	1148	4464	2.47 (2.33-2.62)	3.23 (3.13-3.33)
Cannabis misuse	33	531	4.14 (2.88-5.71)	4.82 (4.42-5.24)
Broadly-defined schizophrenia e	295	1488	1.52 (1.36-1.70)	2.36 (2.24-2.48)
Narrowly-defined schizophrenia f	92	488	1.67 (1.35-2.03)	2.57 (2.35-2.81)
Schizoaffective disorder	5	164	0.86 (0.31-1.85)	1.89 (1.62-2.20)
Mood disorders	776	3185	1.20 (1.12-1.29)	2.20 (2.12-2.28)
Bipolar disorder	48	501	0.89 (0.66-1.17)	1.73 (1.58-1.88)
Recurrent depressive disorder	0	1215	…	1.81 (1.71-1.91)
Single and recurrent depressive disorders	485	2905	1.26 (1.15-1.38)	2.04 (1.97-2.12)
Anxiety and somatoform disorders	1870	5151	2.00 (1.91-2.10)	2.84 (2.76-2.93)
Obsessive-compulsive disorder	13	62	1.01 (0.56-1.67)	1.78 (1.37-2.26)
Specific personality disorders	745	4393	2.08 (1.94-2.24)	2.68 (2.60-2.77)
Borderline type personality disorder	22	346	1.43 (0.91-2.12)	2.98 (2.68-3.31)
Antisocial personality disorder	88	1066	3.47 (2.80-4.25)	4.24 (3.99-4.51)
Attempted suicide	942g	2229d	3.35 (3.13-3.57)g	3.96 (3.79-4.13)d

Abbreviations: ellipses, not applicable; IRR, incidence rate ratio.

^aIRRs adjusted for offspring sex and age, calendar year, and the interactions between these variables. Reference group: neither parent has a mental illness diagnosis or a history of suicide attempt.

^bNot exposed to other parental mental disorders in the defined full spectrum except for the disorder of interest.

^cOffspring with violent offending with a history of any parental mental disorder but no history of parental suicide attempt.

^dOffspring with violent offending with a history of parental mental disorder and parental suicide attempt.

^eSchizophrenia and related disorders.

^fSchizophrenia only.

^gOffspring with violent offending with a history of parental suicide attempt but no history of parental mental disorder.