Type of exposure to noise
|
No notch
|
4 kHz4-150
|
OR
|
95% CI
|
6 kHz4-151
|
OR
|
95% CI
|
6 kHz both ears
|
OR
|
95% CI
|
Continuous: |
Low | 103 | 6 | 1.00 | Reference | 63 | 1.00 | Reference | 28 | 1.00 | Reference |
Medium | 54 | 5 | 1.65 | 0.49 to 5.54 | 32 | 0.97 | 0.57 to 1.66 | 12 | 0.82 | 0.39 to 1.73 |
High | 31 | 3 | 1.90 | 0.46 to 7.87 | 15 | 0.79 | 0.40 to 1.58 | 5 | 0.59 | 0.21 to 1.67 |
Impulse: |
None | 27 | 1 | 1.00 | Reference | 13 | 1.00 | Reference | 6 | 1.00 | Reference |
Protected | 27 | 4 | 4.00 | 0.43 to 37.17 | 12 | 0.92 | 0.36 to 2.38 | 7 | 1.17 | 0.35 to 3.92 |
Unprotected | 134 | 9 | 1.65 | 0.20 to 13.33 | 85 | 1.32 | 0.64 to 2.69 | 32 | 1.07 | 0.41 to 2.82 |
Firearms: |
Never exposed | 118 | 4 | 1.00 | Reference | 79 | 1.00 | Reference | 28 | 1.00 | Reference |
Ever exposed | 70 | 10 | 4.77 | 1.46 to 15.53 | 31 | 0.66 | 0.40 to 1.10 | 17 | 1.02 | 0.52 to 2.00 |
Explosion: |
Never exposed | 164 | 11 | 1.00 | Reference | 95 | 1.00 | Reference | 36 | 1.00 | Reference |
Ever exposed | 24 | 3 | 1.68 | 0.45 to 6.23 | 15 | 1.08 | 0.54 to 2.16 | 9 | 1.71 | 0.73 to 3.98 |