In an editorial 6 years ago, Hans Kromhout (1999) commented on the scarcity of occupational hygiene publications, which took into account developing countries, and looked forward to the 4th International Occupational Hygiene Association (IOHA) Conference in Cairns, where their problems were to be a major theme. In September 2005, the 6th IOHA Conference became the first IOHA Conference to be he...

Several investigators have successfully used principal component analysis (PCA) in interpreting occupational hygiene data. However, traditional textbooks in occupational hygiene provide no guidance for the application and interpretation of PCA. In this article I briefly review the basics of PCA (for those not statistically inclined), provide some guidelines for performing PCA (and designing stu...

Academic journals in a specialist field provide an interesting historical record of its development and progression over time. This article describes the evolution of some major international journals of occupational medicine, including some historical background on their editorial board. As North America, the United Kingdom, and Northern Europe are known to have the highest contribution to sci...

This paper describes the current status of occupational health and safety countermeasures in Beijing, China. It includes the network and organization of occupational health, occupational health personnel, the refitting of industrial structures, hazardous agents at workplaces, the classification and incident rates of occupational diseases. The management of occupational health and safety, new ch...

Thirteen member societies of the International Occupational Hygiene Association (IOHA), all 11 national certification bodies, and IOHA itself are now cooperating in a new international training and qualification system. The structure broadens access to occupational hygiene education and training worldwide and complements existing professional accreditation schemes. There are currently 46 Approv...