Table 2. Studies showing a significant positive correlation between audio device usage and NIHL (2011 onwards).

NIHL = noise-induced hearing loss

Sr. No.	Year of Study	Author
1	2011	Ansari et al. [28]
2	2013	Sulaiman et al. [30]
3	2014	Naik et al. [31]
4	2019	Zia et al. [33]
5	2020	Byeon et al. [34]
6	2022	AlQahtani et al. [36]