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. Author manuscript; available in PMC: 2022 Mar 26.
Published in final edited form as: Am J Psychiatry. 2020 Aug 28;177(10):928–935. doi: 10.1176/appi.ajp.2020.20010017

Table 3 –

Cross-Parent Weighted Estimates from Weighted Estimates for Mothers and Fathers and from Suicide Attempt to Suicide Death and Suicide Death to Suicide Attempt as Assessed by Tetrachoric Correlation (95% CIs) in Four Different Family Types

Disorders and Nature of Parent to Child Analyses Mothers Fathers Weighted Estimate Uncorrected P-value for test of heterogeneity
TC* 95% CIs TC* 95% CIs TC* 95% CIs
Attempt to Attempt Genes and Rearing 0.22 0.21–0.23 0.24 0.24–0.25 0.23 0.23–0.24 0.007
Genes Only 0.14 0.09–0.19 0.13 0.11–0.15 0.13 0.11–0.15 0.71
Rearing Only 0.10 0.03–0.17 0.14 0.11–0.17 0.14 0.11–0.16 0.32
Death to Death Genes and Rearing 0.18 0.16–0.21 0.14 0.11–0.16 0.16 0.15–0.18 0.02
Genes Only −0.02 −0.19–0.15 0.08 0.03–0.13 0.07 0.02–0.12 0.30
Rearing Only 0.04 −0.23–0.31 −0.08 −0.22–0.06 −0.05 −0.17–0.07 0.42
Attempt to Death Genes and Rearing 0.12 0.11–0.13 0.08 0.06–0.10 0.11 0.10–0.12 0.004
Genes Only 0.11 0.02–0.21 0.07 0.02–0.11 0.08 0.04–0.12 0.44
Rearing Only 0.00 −0.15–0.16 0.05 −0.03–0.12 0.04 −0.04–0.11 0.59
Death to Attempt Genes and Rearing 0.10 0.09–0.11 0.07 0.06–0.09 0.09 0.08–0.10 0.001
Genes Only 0.12 0.05–0.20 0.08 0.06–0.10 0.08 0.07–0.10 0.22
Rearing Only 0.07 −0.01–0.19 0.06 0.01–0.11 0.06 0.02–0.11 0.84
Attempt to Death and Death to Attempt Genes and Rearing 0.11 0.10–0.12 0.09 0.08–0.10 0.10 0.09–0.11 0.024
Genes Only 0.08 0.04–0.12 0.08 0.07–0.10 0.08 0.07–0.09 1
Rearing Only 0.04 −0.04–0.11 0.06 0.02–0.11 0.06 0.02–0.09 0.65
*

Tetrachoric Correlation