Table 3:

Regression analysis for SNPs within HLA-DQA1, NRXN1, CNTNAP2 and CDH4.

	Neuropsych variable	r square	Adjusted r square	F	p
HLA-DQA1 rs9272105	All patients with psychosis
	Premorbid IQ	0.01	0.007	3.7	0.055
	Logical memory 2	0.035	−0.002	0.44	0.508
	SART Reaction time	0.028	0.021	4.0	0.019
	PAL Total errors	0.003	0.001	0.898	0.344
	Patients with SZ + SZA only
	Premorbid IQ	0.021	0.017	6.25	0.013
	Logical memory 2	.009	.005	2.38	0.123
	SART Reaction time	0.036	0.027	3.98	0.02
	PAL Total errors	0	−0.003	0.083	0.773
NRXN1 rs1819972	All patients with psychosis
	Premorbid IQ	0	−0.002	0	0.996
	Logical memory 2	0.032	−0.002	0.386	0.535
	SART Reaction time	0.012	0.008	3.538	0.061
	PAL Total	0.008	0.005	2.819	0.094
	Patients with SZ + SZA only
	Premorbid IQ	0	−0.003	0	0.983
	Logical memory 2	.003	−0.001	.831	0.363
	SART RT	0.012	0.008	2.81	0.095
	PAL Total errors	0.011	0.007	3.1	0.079
CNTNAP2 rs1548743	All patients with psychosis
	Premorbid IQ	0	−0.002	0.188	0.664
	Logical memory 2	0.01	−0.003	0.038	0.845
	SART Reaction time	0	−0.003	0.066	0.797
	PAL Total errors	0.006	0.004	2.43	0.119
	Patients with SZ + SZA only
	Premorbid IQ	0.001	−0.002	0.271	0.603
	Logical memory 2	0.03	0.001	0.324	0.57
	SART Reaction time	0	−0.004	0.005	0.946
	PAL Total	0.008	0.005	2.4	0.122
CDH4 rs2427104	All patients with psychosis
	Premorbid IQ	0	−0.002	0.154	0.695
	Logical memory 2	0.042	0.002	0.656	0.419
	SART Reaction time	0.001	−0.002	0.311	0.577
	PAL Total errors	0	−0.002	0.113	0.737
	Patients with SZ + SZA only
	Premorbid IQ	0.001	−0.002	0.411	0.522
	Logical memory 2	0.085	0.007	2.19	0.14
	SART Reaction time	0.003	−0.001	0.785	0.377
	PAL Total errors	0	−0.003	0.055	0.815