Table 3. Offspring suicide attempt 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	10171c	2115d	2.36 (2.31-2.42)c	4.41 (4.22-4.61)d
Organic mental disorders	132	696	1.65 (1.39-1.95)	3.02 (2.80-3.25)
Dementia in Alzheimer disease	24	71	1.44 (0.94-2.10)	2.72 (2.13-3.40)
Vascular dementia	16	25	1.53 (0.90-2.41)	2.01 (1.32-2.91)
Any substance use disorders	1085	4630	2.53 (2.38-2.69)	3.52 (3.41-3.63)
Alcohol misuse	935	3952	2.45 (2.29-2.61)	3.50 (3.38-3.62)
Cannabis misuse	11	428	1.54 (0.80-2.64)	4.59 (4.16-5.04)
Broadly-defined schizophrenia e	263	1397	1.77 (1.57-2.00)	2.76 (2.62-2.92)
Narrowly-defined schizophrenia f	94	474	2.17 (1.76-2.64)	3.06 (2.80-3.35)
Schizoaffective disorder	7	182	1.74 (0.75-3.36)	2.62 (2.26-3.02)
Mood disorders	858	3263	1.63 (1.52-1.74)	2.71 (2.62-2.81)
Bipolar disorder	52	496	1.19 (0.90-1.55)	2.09 (1.91-2.28)
Recurrent depressive disorder	0	1322	…	2.30 (2.18-2.43)
Single and recurrent depressive disorders	525	3007	1.71 (1.56-1.86)	2.53 (2.43-2.62)
Anxiety and somatoform disorders	1700	4928	2.21 (2.10-2.32)	3.28 (3.18-3.38)
Obsessive-compulsive disorder	18	76	1.72 (1.04-2.64)	2.56 (2.03-3.19)
Specific personality disorders	579	4144	2.12 (1.95-2.29)	3.18 (3.08-3.28)
Borderline type personality disorder	27	362	2.36 (1.58-3.36)	3.65 (3.28-4.04)
Antisocial personality disorder	60	967	3.06 (2.35-3.90)	4.90 (4.59-5.22)
Attempted suicide	726g	2115d	3.12 (2.89-3.35)g	4.41 (4.22-4.61)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 suicide attempt with a history of any parental mental disorder but no history of parental suicide attempt.

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

^eSchizophrenia and related disorders.

^fSchizophrenia only.

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