Skip to main content

View full-text article in PMC

. 2021 Mar 1;13:592261. doi: 10.3389/fnagi.2021.592261

Table 2.

Demographic characteristics for the experimental and control groups.

	Center Mainz			Center Rostock			Total sample
	Experimental	Control	P-Value	Experimental	Control	P-Value	Experimental	Control	P-Value
	N = 26	N = 8		N = 34	N = 11		N = 60	N = 19
Sex			0.70^a			0.95^a			0.77^a
Male	11	4		12	4		23	11
Female	15	4		22	7		37	8
Age	69.39 ± 6.03	70.2 ± 7.35	0.78^a	68.61 ± 7.07	67.54 ± 6.34	0.77^a	68.95 ± 6.59	68.68 ± 6.72	0.87^a
Education years	15.27 ± 3.02	14.9 ± 3.8	0.97^a	15.68 ± 1.60	14.54 ± 2.59	0.28^a	15.5 ± 2.31	14.68 ± 3.03	0.39^a
IQ	120.19 ± 9.43	120.70 ± 13.8	0.90^b	113.25 ± 9.54	116.79 ± 9.30	0.29^b	116.25 ± 10.02	118.43 ± 11.30	0.43^b

^a

Mann–Whitney test.

^b

t-test for independent samples.