Table 2.

Regression results: partial r² values controlling for age, sex, and years of education

Dependent Variable	Gene Expansion Statusa	BDI-II
SDMT1	.0215***	.0150***
TMT-A2	.0099**	.0098**
TMT-B3	.0165***	.0095**
HVLT-IR4	.0235**	.0088***
Stroop5	.0084**	.0079**
HVLT-DR6	.0096**	.0052*

¹Symbol Digit Modalities Test,

²Trail Making Test-A,

³Trail Making Test-B,

⁴Hopkins Verbal Learning Test-Revised Immediate Recall,

⁵Stroop Interference,

⁶Hopkins Verbal Learning Test-Revised Delayed Recall

^a= positive vs. negative

^*p < .05,

^**p < .005,

^***p < .0001