Research Article
Noise Exposure and Hearing Capabilities of Quarry Workers in Ghana: A Cross-Sectional Study
Table 2
Hearing threshold levels among various groups of respondents.
| | Category of workers | Test results at 4 kz | Chi square/ value | | Mean HTL | HTL ≤ 25 dBA | HTL > 25 dBA | | (%) | (%) |
| | Quarry workers | | | | | | KAS | 33.91 | 25 (31) | 55 (69) | 36.37 | | Siemens | 24.22 | 40 (67) | 20 (33) | | | A. Kannin | 24.33 | 85 (71) | 35 (29) | | | Taysec | 29.98 | 17 (43) | 23 (58) | | | Northern | 26.43 | 57 (57) | 43 (43) | |
| | Total | 27.32 | 224 (56) | 176 (44) | |
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HTL, hearing threshold level.
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