assessments of the level of implementation of OSH directives, and finally on the societal, economic 
and legal frame and context of OSH.  
There is no strict separation between the following four types for research categories . For 
example, the EU-OSHA study ‘Analysis of the determinants of workplace occupational safety and health 
practice in a selection of EU Member States’469 includes an analysis of the systems and infrastructures 
as well as of the framework and context influence. To fully cover understanding and support of OSH  
prevention in workplaces, all these types of research are needed.