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    • Consider all measurement methods pertinent to the corresponding findings (not just the financial benefits variables). For example, in the case of the intermediate and final outcomes findings, the method of measuring OHSMS variables might also be relevant.

    • Consider issues of statistical power in Q43 not here.

  • 18.

    Were appropriate statistical tests conducted on the financial benefits data?

    • In the comment box following your response, note the rationale for your selection.

    • The issue of whether adjustment for confounders took place is covered in Q9. In this question, one is only concerned about whether such adjustments were done correctly, if they were done

    • Do not fear choosing the option of “reviewer not qualified to answer.” We are simply using this response to flag where we need expertise from elsewhere in the group or even external to the group. If two reviewers have selected this option, then we seek expertise from elsewhere in the group, and failing this, use our external consult. If only one reviewer has selected this option, then a consensus answer can be formulated, if the remaining reviewer is highly confident of his/her answer. If not, then expertise should be sought elsewhere in the group or externally if required.

    • Was the test appropriate for the sample size and type of data?

    • If no statistical tests were used, and you think they were not needed, select the answer corresponding to this. If no statistical tests were used and you think they should have been, then use one of the following three options: minor deficiencies; inappropriate statistical test, which might modify the conclusions; inappropriate statistical tests, which could substantially affect conclusions.

  • 19.

    Are you confident that there are no additional potential sources of bias in the estimate of implementation/effectiveness not yet captured in the previous questions?

    • This is the place to discuss any other sources of bias; e.g., contamination of the comparison intervention.

  • 20.

    What is your overall appraisal of the quality of evidence about implementation provided by this study?

  • Consider your answers to questions 7, 8, 9, 11, 12, 19 and give an

overall assessment.

Institute for Work & Health

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