Over-the-Counter Hearing Aids: A Lost Decade for Change

Table 7

Judgment of matching prescriptive targets for presbycusis with looser criterion.

OTC	Matching the prescriptive targets for presbycusis?						Match the targets at four or more frequencies?
	0.25 Hz	0.5 Hz	1 kHz	2 kHz	3 kHz	4 kHz
A tone N	✓	✗	✗	✗	✓	✓	✗
A tone L	✓	✓	✓	✗	✓	✓	✓
B	✓	✗	✓	✓	✓	✓	✓
C tone N	✗	✗	✗	✓	✓	✓	✗
C tone H	✗	✗	✗	✗	✓	✓	✗
C tone L	✗	✗	✗	✓	✓	✗	✗
D	✗	✗	✓	✓	✓	✗	✗
E	✓	✓	✗	✓	✗	✗	✗
F	✓	✓	✓	✓	✓	✗	✓
G	✓	✓	✓	✓	✓	✗	✓
H	✓	✓	✓	✗	✗	✗	✗
I	✓	✓	✗	✓	✗	✗	✗
J	✓	✓	✓	✗	✗	✗	✗

Note. ✓: OTC hearing aid matched the prescriptive target.