Study 1, including 508 persons from several types of work places, analyzed the correlations between different frequency weighted sound levels and annoyance. Using cluster analysis a group of 72 persons was selected half ...

The contribution of noise exposure to fatigue at work was studied in a survey study and three field studies. The survey study was based on a questionnaire covering symptoms and work place exposure answered by 50 000 state ...

In the Elmiljö investigation noise turned out to be the most common work load in the power industry. In a case- controlstudy a cohort employees who developed a hearing impairment during the studied period were compared to ...