Table 3.

Linear mixed model effects summary for the SNP rs2242446

	Model rs2242446
Fixed effects	df	F value	P value
Intercept	9.10	930.46	<.000
group	20.97	0.42	0.52
ROI	80.45	200.78	<.000
rs2242446	32.83	1.61	0.21
group*ROI*rs2242446	103.57	2.90	0.003
Separated by ROI
Cerebellum group*rs2242446	31.50	0.57	0.46
Midbrain group*rs2242446	34.66	6.47	0.026
Putamen group*rs2242446	32.12	1.41	0.24
Thalamus group*rs2242446	33.90	10.05	0.003

Values given are degrees of freedom (df), F values, and P values