Table 2.

Model Fits

Model	n	Parameters	Beta	p	AIC	Adjusted R2
NR3C1
1	248	7	−6.56	2.84 × 10−5	2624.26	0.63
2	219	10	−7.18	2.60 × 10−4	2623.19	0.66
3	180	11	−6.87	1.10 × 10−4	2612.66	0.67
FKBP5
1	248	7	−3.26	.025	2615.83	0.61
2	219	10	−4.27	.008	2612.96	0.64
3	180	11	−3.72	.022	2623.48	0.65
SLC6A4
1	248	7	5.80	6.76 × 10−5	2618.98	0.63
2	219	10	5.81	1.65 × 10−4	2615.83	0.65
3	180	11	5.98	4.44 × 10−4	2615.58	0.66

Model 1 covariates include age, sex, days between genetic collection and brain scan, cell count, batch location, and batch position. Model 2 covariates include those of model 1 and the first 3 ancestry principal components. Model 3 covariates include those of model 2 and socioeconomic status. Akaike information criterion (AIC) is reported for n = 180.