Table 4

Descriptive statistics for all HSOPSC factors in the longitudinal follow-up study of operating theatre staff perceptions’ on hospital safety culture in the stepped wedge cluster RCT implementation of the WHO’s Surgical Safety Checklists in Haukeland University Hospital, Bergen, Norway

Use of surgical safety checklists200920102017
NoNoYesYes
(n=349)(n=135)(n=141)(n=279)
Safety culture factors (HSOPSC)Mean (SD)Mean (SD)Mean (SD)Mean (SD)
Overall patient safety3.49 (0.70)3.53 (0.66)3.63 (0.59)*3.58 (0.70)
Frequency of events2.80 (0.79)2.81 (0.84)2.78 (0.70)2.89 (0.70)
Unit managers support patient safety3.66 (0.79)3.55 (0.86)3.70 (0.69)3.86 (0.65)***
Continuous improvement3.33 (0.66)3.36 (0.71)3.51 (0.55)**3.52 (0.58)***
Team work in unit3.61 (0.62)3.55 (0.62)3.73 (0.54)*3.80 (0.57)***
Open communication3.60 (0.65)3.61 (0.67)3.63 (0.65)3.68 (0.61)
Error feedback3.18 (0.72)*3.00 (0.77)3.22 (0.72)3.35 (0.73)**
Non-punitive3.82 (0.64)3.82 (0.61)3.91 (0.62)3.97 (0.62)**
Adequate staffing3.41 (0.64)3.45 (0.64)3.60 (0.60)**3.50 (0.65)
Hospital managers support patient safety2.82 (0.75)2.95 (0.73)2.92 (0.73)3.15 (0.75)***
Team work across units3.07 (0.53)3.14 (0.51)3.04 (0.50)3.20 (0.49)**
Handoffs and transitions3.04 (0.61)*3.11 (0.59)3.07 (0.60)3.21 (0.62)***
  • *P≤0.05; **p≤0.01; ***p≤0.001; from multivariate regression analysis as detailed in table 5.

  • HSOPSC, Hospital Survey on Patient Safety Culture; RCT, randomised controlled trial.;