Table 3

Internal consistency of the HSOPSC questonnaire

DimensionsCronbach’s alpha
Teamwork within units0.74
Supervisor/manager expectations and actions promoting patient safety0.59
Organisational learning–continuous improvement0.74
Management support for patient safety0.41
Overall perceptions of patient safety0.49
Feedback and communication about error0.66
Communication openness0.25
Frequency of events reported0.8
Teamwork across units0.17
Handoffs and transitions0.8
Non-punitive response to errors0.62