Table 2. The Association Between Working-Memory Related Tasks and GAD1 rs3749034 Genotype, Diagnosis, and their Interaction.

Working memory task	GAD1		Diagnosis		GAD1 × diagnosis
	F1,188	P-value	F1,188	P-value	F1,188	P-value
Letter-number span	5.03	0.026	18.04	<0.0001	2.89	0.091
Digit span	7.97	0.005	5.06	0.026	0.02	0.89
Stroop (time/item)	1.17	0.28	24.41	<0.0001	0.17	0.68
Stroop ratio	7.03	0.009	12.50	0.001	2.50	0.12

Covariates in the model include age (46.3 years), and Wechsler Test of Adult Reading (WTAR) performance (115.1).