Table 1.

Group profiles

Criterion	Auditory training	Active control
Age, years	62.5 (3.2)	63.6 (4.1)
Females:males	21:14	18:14
Test–retest delay, weeks	9.8 (1.3)	9.9 (2.3)
Pure-tone average (hearing 0.5–4 kHz; dB HL)	17.9 (9.8)	18.2 (6.7)
High-frequency hearing (6–8 kHz; dB HL)	29.2 (16.5)	30.0 (15.2)
Click Wave V latency, ms	6.0 (0.3)	6.0 (0.4)
IQ, standard score	118 (11)	120 (13)
MoCA score	27.57 (1.96)	27.31 (1.50)

Groups are matched on all demographic criteria. Means (SDs) are displayed for age, sex distributions, pre- and posttraining testing intervals, hearing, click latency, and IQ.