Table 2.

Association of rs1344706[T] with psychosis

Data set (N cases/N controls)	Control frequency	OR (95% CI)	P-value
Initial set (2683/16 099)	0.58	1.10 (1.02, 1.18)	0.012
Follow-up (2991/4407)	0.59	1.08 (1.01, 1.16)	0.020
Initial set and follow-up (5674/20 506)	0.59	1.09 (1.04, 1.14)	0.00065

Abbreviations: CI, confidence interval; OR, odds ratio.

Control frequency is the average, unweighted allele frequency over the various study groups of each data set, whereas ORs and P-values were estimated using the Mantel–Haenszel model. Analysis for each genome-wide typed group was adjusted using genomic control (see Materials and methods).