Table 1.

Demographic characteristics of Czech participants (n = 520)

		Frequency (n)	%	Mean (SD)
Age	60–69	153	29.4%	64.4 (2.9)
	70–79	169	32.5%	74.3 (2.9)
	80–97	198	38.1%	85.1 (3.9)
Handedness	right-handed	482	92.7%
	others	38	7.3%
Gender	woman	282	54.2%
	man	238	45.8%
Civil status	single	13	2.5%
	with partner	20	3.8%
	married	228	43.8%
	widowed	205	39.4%
	divorced	54	10.4%
Education	lower (8–13)	237	45.6%	10.2 (2.1)
	higher (13–22)	283	54.4%	14.9 (3.0)

Age and Education range in years.