Table 2 : ANOVA main effects including descriptive statistics
(means±SEM).

	N	IQ
Genotype		F2,196=3.46, p=0.033
L/L	65	107.1±1.7, p=0.018 vs S/S
L/S	101	107.4±1.4, p=0.016 vs S/S
S/S	42	113.7±2.2
Gender		F1,196<1
Men	89	109.6±1.6
Women	119	109.2±1.3
Age		F1,196=40.67, p<0.0001
Young	126	115.9±1.3
Old	82	102.8±1.6