2009-12-01 12:00 - Messages

Effectiveness of an occupational health intervention program to reduce whole body vibration exposure

Background
An effective intervention program aiming to reduce whole body vibration (WBV) exposure at work will reduce the number of low back complaints in the near future.
Methods
An evaluation study with a controlled pretest–post-test design. Nine companies and 126 drivers were included in the study. Cluster randomization on company level divided the drivers and their employers in an intervention group and a ‘‘care-as-usual'' group. At baseline (T0) and intervention program was implemented and evaluated after 7 months (T1). The main outcome measure was WBVexposure. Process measures included knowledge, attitude, and (intended) behavior towards reduction of WBVexposure for the drivers and knowledge and WBV policy for the employers.
Results
At T1, no significant reduction was found in WBV exposure within both groups compared with T0.
Conclusions
Probably due to poor to moderate compliance, the intervention program was not effective in reducing the WBV exposure on group level but small reductions in WBV
exposure are possible when intervention compliance is high.
Am. J. Ind. Med. 2009. Wiley-Liss, Inc.

Source : http://www.amc.nl/upload/teksten/coronel%20instituut/2009_Tiemessen_Effectiveness%20of%20an%20occupational%20health%20intervention%20program.pdf

Lower levels of noise may cause permanent hearing damage

Research suggests that levels of noise that are currently thought to result in only a temporary loss of hearing, may in fact cause permanent hearing damage.

Source : http://osha.europa.eu/en/news/Noise-permanent-hearing-damage?sourceid=rss&utm_source=home&utm_medium=rss&utm_campaign=rssfeeds

Évaluer et mesurer l'exposition professionnelle au bruit

Ce guide est un document de référence pour évaluer et mesurer le risque lié à l'exposition au bruit au travail. Il a été rédigé à l'intention des techniciens chargés d'évaluer le risque lié au bruit professionnel, au sein des entreprises bruyantes, dans les services de médecine du travail, dans les sociétés de service en acoustique industrielle. L'évaluation du risque y est traitée en référence à la réglementation, qui définit des seuils d'actions et impose aux entreprises de réduire le risque lorsque des dépassements de seuils sont constatés.

Source : http://www.inrs.fr/inrs-pub/inrs01.nsf/IntranetObject-accesParIntranetID/OM:Document:9D578A0BF787A257C1257657004D853F/$FILE/Visu.html

5 hearing protection myths

Most hearing conservation programs rely on hearing protection devices (HPDs) to reduce workers' exposure to hazardous noise and other loud sounds and to prevent noise-induced hearing loss (NIHL). Other methods of reducing noise exposure, such as engineering and administrative controls, are used less often due to enforcement policies that allow hearing protectors to be used as a substitute for noise controls and because of concerns about the effectiveness and feasibility of noise controls in the workplace.

Source : http://www.ishn.com/Articles/Feature_Article/BNP_GUID_9-5-2006_A_10000000000000696699

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