Headphone listening habits, hearing thresholds and listening levels in Swedish adolescents with severe to profound HL and adolescents with normal hearing

Figures & data

Table 1. Comparisons between adolescents with NH and adolescents with HL regarding PMD sound levels.

NH								HL
	SPL		A weight		FF			SPL		A weight		FF
	Leq	Max	Leq	Max	Leq	Max	Peak	Leq	Max	Leq	Max	Leq	Max	Peak
Average	87	91	83	89	76	80	104	93	96	89	95	83	88	109
Min	64	67	59	65	54	59	80	69	70	59	64	55	56	86
Max	110	115	103	112	100	106	125	120	123	121	124	109	114	131
Median	87	91	84	90	77	81	104	94	97	89	95	85	88	110
Range	46	48	44	46	46	47	45	51	53	62	60	55	58	46

Table 2. Mean and standard deviations for right and left ear for adolescents with hearing impairment and normal hearing distributed on those listening below 85 dBA and those listening at 85 dBA or louder.

	Hearing impaired, dB				Normal hearing, dB
	<85 dBA		≥85 dBA		<85 dBA		≥85 dBA
	M	SD	M	SD	M	SD	M	SD
Right (kHz)
0.25	36	19	35	24	5	5	9	11
0.50	42	21	41	22	4	8	7	9
1	55	17	51	22	2	8	4	9
2	58	24	60	28	3	8	8	10
3	53	24	58	31	2	7	7	12
4	52	25	60	28	2	6	7	12
6	44	25	66	28	10	12	12	10
8	50	29	68	26	8	11	8	9
Left (kHz)
0.25	32	25	46	19	6	7	12	13
0.50	41	29	53	20	3	4	6	7
1	51	27	65	19	2	4	4	10
2	55	25	72	22	1	6	6	10
3	52	30	70	22	2	6	6	10
4	52	29	70	26	1	6	6	14
6	49	31	70	18	11	9	12	10
8	40	28	70	21	7	9	8	7

Figure 1. Right ear hearing thresholds for 29 adolescents with HL who preferred two different PMP listening levels: no 15: ≤85 dB (diamonds) and no 14: ≥85 dB (squares).

Figure 2. Right hearing thresholds for 50 adolescents with NH who preferred two different PMP listening levels: no 40: ≤85 dB (diamonds) and no 10: ≥85 dB (squares).

Figure 3. Left hearing thresholds for 29 adolescents with HL who preferred two different PMP listening levels: no 15: ≤85 dB (diamonds) and no 14: ≥85 dB (squares).

Figure 4. Left hearing thresholds for 50 adolescents with NH who preferred two different PMP listening levels: no 40: ≤85 dB (diamonds) and no 10: ≥85 dB (squares).