Table 2.

Potential Confounds.

	rs6277		rs6275
Measure	F	P	F	P
Age	.410	.664	1.464	.234
Body mass index	.282	.754	.389	.678
Chlorpromazine equivalent (mg)	.756	.471	.157	.855
Number of admissions	.591	.555	1.523	.221
PANSS-N	1.015	.364	.762	.468
	χ2	P	χ2	P
Sex	.183	.912	.464	.793
Antipsychotic medication	30.034	.184	14.937	.923

PANSS-N, Positive and Negative Syndrome Scale, negative symptoms.