Table 4.

Cross-Trait Within-Patients/Siblings, Within-Trait Cross-Sibling and Cross-Trait Cross-Sibling Analyses

Analysis	n		Association	β	b	P value	95% CI: lb/ub
Cross-trait within-patients analysis	948		HT-disorganized symptoms	−.33	−.73	<.001	−.91/−.56
	946		HT-negative symptoms	−.21	−.51	<.001	−.70/−.32
	957		HT-positive symptoms	−.11	−.27	<.001	−.46/−.07
	880		DFAR-disorganized symptoms	−.21	−.12	<.001	−.17/−.07
	875		DFAR-negative symptoms	−.11	−.07	<.001	−.12/−.02
	885		DFAR-positive symptoms	−.09	−.05	.008	−.11/−.001
Cross-trait within-siblings analysis	1001		HT-disorganized symptoms	−.09	−.01	.006	−.02/.001
	1001		HT-negative symptoms	−.04	−.01	.17	−.04/.01
	1001		HT-positive symptoms	−.04	−.01	.22	−.03/.01
	935		DFAR-disorganized symptoms	−.02	−.0004	.55	−.002/.001
	935		DFAR-negative symptoms	−.07	−.003	.04	−.01/.001
	935		DFAR-positive symptoms	−.02	−.001	.60	−.005/.003
Families*
Within-trait cross-sibling analysis	755		HT		.08	<.001	.02/.13
	674		DFAR		.09	.002	.02/.17
	766		IQ		.42	<.001	.35/.51
Cross-trait cross-sibling analysis	715		HT patients-disorganized symptoms siblings		.001	.87	−.01/.01
	717		HT patients-negative symptoms siblings		.01	.30	−.01/.02
	721		HT patients-positive symptoms siblings		.002	.75	−.01/.02
	640		DFAR patients-disorganized symptoms siblings		.001	.02	−.0002/.003
	639		DFAR patients-negative symptoms siblings		.003	.10	−.002/.01
	643		DFAR patients-positive symptoms siblings		.003	.06	−.001/.01

Note: *All analyses are adjusted for age, gender, IQ, and the respective relevant traits (ie, social cognition in siblings and symptoms in patients); 95% CI, confidence interval for b; lb, lower bound; ub, upper bound; Abbreviations are explained in the first footnote to table 1.