Criteria for Occupational Health Intervention Studies

In order for a study to be included in the Cochrane Work trials register a study has to be an occupational health intervention study. This means that it has to fulfil all three of the following criteria consisting of:

1) being an intervention study,
2) having an adequate evaluation or study design and
3) having had measured a specifically occupational health or safety outcome (or a public health outcome measured at the workplace or with workers).

 An exhaustive explanation of the classification criteria