Anne van Dalen

The influence of working in a Black Box monitored operating room on safety behaviour I 197 7 Table 3. Differences in attitudes towards the 11 patient safety dimension between participants of theBlack Box Trial (N = 18) and those who did not (N = 108) participate (Means 5-point Likert scale) Patient Safety Dimensions Worked with ORBB (Mean,SD) N= 18 Did not work with ORBB (Mean, SD) N=108 P-value (One way ANOVA) 1.Teamwork across departments 2.92 (0.42) 3.03 (0.46) P 0.35 2.Teamwork within department 3.68 (0.75) 3.69 (0.62) P 0.93 3.Changing Shifts 2.78 (0.52) 2.92 (0.47) P 0.24 4.Frequency of incident reporting 3.43 (1.02) 3.30 (0.82) P 0.59 5.Non-punitive response to error 3.13 (0.67) 3.17 (0.59) P 0.81 6.Communication openness 3.56 (0.67) 3.60 (0.78) P 0.80 7.Feedback and learning from errors 3.73 (0.54) 3.48 (0.63) P 0.12 8.Supervisor expectations and actions promoting safety 3.63 (0.74) 3.52 (0.79) P 0.60 9.Hospital management support for patient safety 3.20 (0.31) 3.10 (0.41) P 0.29 10.Adequate staffing 2.87 (0.66) 3.01 (0.70) P 0.42 11.Overall perception of patient safety 2.85 (0.43) 3.09 (0.45) P 0.03 Table 4. Multivariable regression analysis model‡ evaluating factors associated with the overall attitude towards the overall patient safety. Question P-value* 95% CI Bèta- coefficient Have you participated in the OR Black Box surgical cases and following team debriefings? (yes vs no) 0.024 0.034 – 0.474 0.196 Overall, how many hours are you working per week? (≤39 hours vs >40 hours) 0.003 0.085 – 0.393 0.263 ‡ Using backward stepwise regression *corrected for the in simple linear regression analysis found significant variables (see Appendix)