Table 6.

ANOVA and descriptive statistics on deterioration cognitive reserve.

Instruments		Level of Studies				Comparison between Groups 1
		NS	PE	SE	UN
ECR	M	28.4	38.9	50.7	53.6	NS<PE, SE and UN ***
	SD	5.43	11.96	9.67	12.95	PE< SE and UN ***
						SE = UN
CCR	M	3.4	7.4	12.1	15.4	NS<PE, SE and UN ***
	SD	1.43	2.98	2.60	2.47	PE< SE and UN ***
						SE < UN **

Note: NS—no studies; PE—primary education; SE—secondary education; UN—university studies; Note—ECR—escala de reserva cognitiva [CR Scale]; CCR—cuestionario de reserva cognitiva [CR questionnaire]; ¹ post hoc tests—Tamhane for the assumption of nonhomogeneous variances. ** p < 0.01. *** p < 0.001.