Investigating the association between anxiety symptoms and mood disorder in high-risk offspring of bipolar parents: a comparison of Joint and Cox models

International Journal of Bipolar Disorders

Table 2 Cox model (n = 156) with 95% confidence interval

Variable	Estimate (95% CI)	p-value
logHAMA	0.555 (0.111, 0.999)	0.014
Female offspring	0.527 (− 0.258, 1.312)	0.188
Male offspring	*	-
Lithium responder parent	0.360 (− 0.443, 1.162)	0.379
Lithium non-responder parent	*	-
SES 123	− 0.060 (− 1.208, 1.087)	0.717^a
SES 4	0.319 (− 0.506, 1.143)
SES 5	*
Parent onset age	0 (− 0.040, 0.040)	0.985
Age at initial interview	0.031 (− 0.063, 0.125)	0.519

* = Reference level
^ap-value obtained by a partial likelihood ratio test on 2 degrees of freedom; other p-values obtained by Wald tests