Table 1.

Descriptive statistics for deaf and hard-of-hearing groups

	Deaf (%)	Hard of hearing (%)
Type of hearing loss
Mild (20–40 db)	5	4
Moderate (41–70 db)	28	30
Severe (71–90 db)	10	26
Profound (>90 db)	49	33
N/A	8	7
Onset of hearing loss
Prelingual	77	52
Perilingual	13	22
Postlingual	10	26
Hearing aid	63	89