Anne van Dalen

98 I Chapter 3 *all values in this factor pattern matrix were negative, therefore negative values in the model may be considered positive and positive values may be considered negative B = the beta coefficient, which is the degree of change in the factor for every 1-unit of change in the predictor variable. TABLE 3. Multivariable linear regression models for the 3 factors Variables Factor 1 Attitude towards value of team debriefing with the OR Black Box® Factor 2 Satisfaction with the OR Black Box® performance report Factor 3* Attitude towards benefits of team debriefing with the OR Black Box® Surgical procedure (upper-GI vs adrenal, vs colorectal) - - - - - - Role in the OR (ref = main surgeon) assisting surgeon anaesthesiology (including anaesthesia-nurse) OR nurses (SN & CN) B = -0.652 B = -0.329 95%CI -1.13 to -0.18 95%CI -0.71 to 0.05 B = -0.659 B = -0.524 B = -0.653 95%CI -1.09 to -0.23 95%CI -1.0 to -0.30 95%CI -1.0 to -0.30 B = -0.842 - - 95%CI -0.43 to -1.26 Age B = 0.016 95%CI -0.001 to 0.034 - - - Sex - - - - - Years working at the AMC - - - - - Number of previously attended Black Box debriefings (first time, 1-5 times, 6-10 times, >10 times) B = 0.29 95%CI 0.09-0.49 B = 0.414 95%CI 0.25-0.57 B = 0.422 95%CI 0.59-0.26 Number of team members attending the debriefing - - - - - - Number of work days between procedure and debriefing - - - - - - PPerformance report feedback Total number of all (positive and negative) events in performance report B = --0.013 95%CI -0.02 to -0.002 - - - -