2.3. Procedure
Ethical approval for the study was obtained from the Ethics Committee of the Queensland University of Technology, Brisbane, Australia. To optimize response rates, questionnaires were administered over a 1-month period to provide the opportunity for all workers to participate in this study during their work time. Completed questionnaires were collected and sent to the research team for analysis. The company received a full report and workers were provided with their aggregated results in presentations onsite.