Prevalence of noise exposure, shift work, and physical workload exposure by occupational category
| Occupational category | n | Prevalence of noise exposure (%) | Prevalence of shift work (%) | Prevalence of physical workload§ (%) | |||||
|---|---|---|---|---|---|---|---|---|---|
| Un-exposed | Continuous noise | Both types of noises | Un-exposed | 2 tertile | 3 tertile | ||||
| *0 = technical, physical, science, social science, humanistic, and artistic work; 1 = administrative, managerial, and clerical work; 2 = sales work. | |||||||||
| †Fine mechanical work; iron and metalware work; electrical work; wood work. | |||||||||
| ‡Graphic work; glass, ceramic and clay work; chemical processing and related work. | |||||||||
| §Product of proportion of exposed (prevalence P) and the mean level of exposure among the exposed (level L). | |||||||||
| 0–2 | White-collar* | 524 | 100 | 9.0 | 98.3 | 1.5 | 0.2 | ||
| 3 | Agriculture, forestry, commercial fishing | 95 | 85.3 | 14.7 | 3.2 | 84.2 | 15.8 | ||
| 5 | Transport and communications work | 65 | 47.7 | 52.3 | 33.8 | 80.0 | 20.0 | ||
| 6 | Manufacturing and related work† | 513 | 23.2 | 41.1 | 35.7 | 32.2 | 1.9 | 10.5 | 87.5 |
| 7 | Manufacturing and related work‡ | 561 | 26.7 | 73.1 | 0.2 | 70.9 | 23.2 | 54.7 | 22.1 |
| Other | 46 | 76.1 | 23.9 | 63.0 | 58.7 | 41.3 | |||
| Total | 1804 | 52.1 | 37.7 | 10.2 | 36.8 | 43.6 | 22.7 | 33.7 | |