Table 1.
Distribution of the individuals assessed through tonal audiometry as to occupational noise exposure and the audiometric test result, Capital Campus - USP, 2002.
| Exposure to Occupational noise | Tonal audiometry within acceptable limits ** n % (IC*) |
Altered tonal audiometry n % (IC*) |
Total n % |
|---|---|---|---|
| Exposure within tolerance limits *** | 142 80,2 (73,9-85,6) | 35 19,8 (14,3-26,0) | 177 100,0 |
| Exposure above tolerance limits | 50 58,1 (47,6-68,1) | 36 41,9 (31,8-52,3) | 86 100,0 |
| Total | 192 73,0 (67,4-78,1) | 71 27,0 (21,8-32,5) | 263 100,0 |
*
95% Confidence Interval.
**
Acceptable tonal audiometry based on Ordinance # 19 – Ministry of Employment and Labor (BRAZIL, 1998).
***
Tolerance limits based on NR # 15 (BRAZIL, 1978).