A method for effect modifier assessment (EMA) in ergonomic intervention research

Kasper Edwards*, Jørgen Winkel

*Corresponding author for this work

    Research output: Contribution to journalJournal articleResearchpeer-review

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    Abstract

    The numerous opportunities for effect modifications pose a major challenge in ergonomic intervention research. Even studies in systematic reviews that are assessed as being of high quality generally lack any proper consideration of the potential effect modifiers. We have developed a method for effect modifier assessment (EMA) in intervention research. The EMA method uses a participatory workshop consisting of representatives from all occupational groups in the investigated organization. The workshop identifies both intervention and modifier events. These are categorized into themes, then analyzed and evaluated for their potential effects on the investigated outcomes. The overall impact of the pooled modifier themes is finally estimated in relation to the estimated impact of the intervention events. In the present study, the EMA method was tested in two cases. The findings suggest that it provides information that strengthens inferences about the impact of the investigated ergonomic interventions. Further evaluation of the method is recommended.
    Original languageEnglish
    JournalApplied Ergonomics
    Volume72
    Pages (from-to)113-120
    Number of pages8
    ISSN0003-6870
    DOIs
    Publication statusPublished - 2018

    Keywords

    • Ergonomic intervention
    • Effect modification
    • Research method

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