Table 4 –

Cross-Generational Transmission of Suicide Attempt as a Function of the Sex of the Parent and the Sex of the Child as Assessed by Tetrachoric Correlation (95% CIs) in Four Different Family Types

	Phenotypes: Parent to Offspring	Sources of Resemblance	Intact Families		Not-lived-with Father Families		Stepfather Families		Adoptive Families		Weighted Estimate Across Families		P-value for test of heterogeneity Across Relationship Types
			TC*	95% CIs	TC*	95% CIs	TC*	95% CIs	TC*	95% CIs	TC*	95% CIs
	Mother to Daughter	Genes+ Rearing	0.23	0.22–0.24	0.21	0.19–0.23	0.16	0.12–0.20			0.22	0.21–0.23	<0.0001
	Mother to Son		0.26	0.25–0.27	0.20	0.18–0.22	0.23	0.19–0.26			0.24	0.23–0.25
	Father to Daughter		0.21	0.20–0.22							0.21	0.20–0.22
	Father to Son		0.28	0.27–0.29							0.28	0.27–0.29
	Mother to Daughter	Genes only							0.12	0.04–0.19	0.12	0.04–0.19	0.007
	Mother to Son								0.16	0.09–0.23	0.16	0.09–0.23
	Father to Daughter				0.14	0.11–0.16			0.10	0.01–0.20	0.14	0.11–0.16
	Father to Son				0.20	0.18–0.22			0.05	−0.05–0.15	0.19	0.17–0.21
	Mother to Daughter	Rearing only							0.04	−0.08–0.15	0.04	−0.08–0.15	0.083
	Mother to Son								0.15	0.05–0.25	0.15	0.05–0.25
	Father to Daughter						0.12	0.08–0.17	0.13	0.01–0.25	0.12	0.09–0.15
	Father to Son						0.16	0.12–0.21	0.16	0.04–0.29	0.16	0.13–0.20
	To Sons	Genes + Rearing									0.26	0.25–0.27	<0.0001
	To Daughters										0.22	0.21–0.22
	From Mothers										0.23	0.22–0.34	0.034
	From Fathers										0.25	0.24–0.25
	To Sons	Genes only									0.18	0.17–0.21	0.016
	To Daughters										0.14	0.11–0.16
	From Mothers										0.14	0.09–0.19	0.275
	From Fathers										0.17	0.15–0.19

^*Tetrachoric Correlation