Table 3.

Mean values of self-version and staff-version (NHHI) (n = 60).

Questionnaire	Hearing loss level
		Normal	Slight	Mild	Moderate	Moderately severe	Severe	Profound
Self-version	Male	3.50	16.08	28.01	27.15	39.01	40	42
	Female	1.10	12.14	30.44	45.27	75.03	74.29	80
Staff-version	Male	7.03	11.70	40.21	39.18	48.24	43	51
	Female	2.40	1.80	8.07	62.44	71.08	77	82