TABLE 1.

Demographics.

	Experimental	Control	t(29)	P-value
N	17	14
Age range (years)	60–84	62–84
Age (years)	75.41 (6.71)	73.71 (5.79)	0.739	0.466
Male/female	8/9	5/9	1.036	0.309
Pure-tone average hearing (0.5–4 kHz; dB HL)	42.20 (7.18)	40.21 (8.37)	0.713	0.482
High-frequency hearing (6–8 kHz; dB HL)	65.58 (11.54)	60.98 (13.47)	1.026	0.314
IQ	114.05 (9.32)	112.72 (6.94)	1.673	0.120
MOCA	26.88 (1.69)	25.24 (2.45)	1.811	0.088

Groups were matched on all demographic factors. Means (SDs) are displayed for age, sex distribution, hearing, IQ, and Montreal Cognitive Assessment (MoCA) scores. Number of participants in each group (N), t-values with degrees of freedom and P-values of the group comparison are also shown.