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A method for Effect Modifier Assessment in ergonomic intervention studies - The EMA-Method

A method for Effect Modifier Assessment (EMA) in ergonomic intervention research
Ergonomic intervention research includes studies in which researchers arrange or follow changes in working conditions to determine the effects on risk factors and/or health. The systematic review by Westgaard and Winkel (2011) showed that many changes in and around a production system may cause effects on musculoskeletal and mental health and/or the corresponding risk factors; e.g. different kinds of restructuring, downsizing (including rumors of downsizing), management style and parallel interventions. The outcome variables of both intervention and control groups may therefore be affected by such contextual factors not part of the investigated intervention, i.e. effect modifiers. These may, in addition, impact the investigated outcome for the intervention and control groups differentially. Potential effect modifiers should therefore be estimated for both intervention and control groups regarding the investigated period. However, this seems not to be properly considered in ergonomic intervention research.

On this background we are developing a method for Effect Modifier Assessment in ergonomic intervention studies (the EMA method). We also include a preliminary examination of its applicability in two intervention studies at a Danish hospital.

Project duration

A fullength manuscript will be submitted to an international peer-reviewed journal during 2017.

Funding

The Danish Working Environment Research Fund (#46-2010-09) and the healthcare authority in the county of VästraGötaland, Skaraborg Hospital, Sweden (#SkaS 00203-2011).

Participants

The project is performed in cooperation between Dr. Kasper Edwards (main author) at Department of Management Engineering, Technical University of Denmark and Professor emeritus Jörgen Winkel at Department of Sociology and Work Science, Gothenburg University and Department of Management Engineering, Technical University of Denmark.

Contact

Jörgen Winkel

Page Manager: Anders Östebo|Last update: 10/23/2017
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