Table 3. Mean (±Standard Error) of iPhone Health App Listening Levels and Exposure Duration (Hours) Over 6-Month in the High-Risk and Low-Risk Groups ( N  = 15 Per Group) .

	Listening levels (dBA)	Exposure duration (h)
Low-risk group	69.1 ± 1.0	30.9 ± 8.0
High-risk group	91.1 ± 0.9	197.1 ± 38.7