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. 2022 Jul 28;10(3):e32297. doi: 10.2196/32297

Table 1.

Demographic characteristics (N=40).

Characteristics	Training group (n=20)	Control group (n=20)	Group comparison
			t test^a (df)	Chi-square (df)	P value
Age (years), mean (SD)	65.65 (4.848)	69.041 (3.605)	2.478 (38)	N/A^b	.02
Gender (women), n (%)	14 (70)	13 (65)	N/A	0.4 (1)	.74
Hearing (across 0.5 kHz, 1 kHz, and 2 kHz), mean (SD)	16.79 (4.939)	17.85 (4.913)	0.672 (37)	N/A	.51
Education (years), mean (SD)	16.42 (2.244)	16.18 (2.69)	0.339 (34)	N/A	.74
Digit span, mean (SD)	9.9 (1.714)	9.75 (1.333)	0.309 (38)	N/A	.76

^aThe t test was 2-tailed.

^bN/A: not applicable.