| HEMS 12 | HEMS 16 | Ground 16 | Total 16 | ||||
---|---|---|---|---|---|---|---|---|
Measurement concepts | Mean (SD) | Alpha | Mean (SD) | Alpha | Mean (SD) | Alpha | Mean (SD) | Alpha |
Top level | ||||||||
 Management support for patient safety | 3.37 (.84) | .77 | 3.08 (.87) | .83 | 3.04 (.86) | .79 | 3.05 (.86) | .79 |
Unit level | ||||||||
 Manager expectations & actions promoting patient safety | 3.95 (.78) | .87 | 3.98 (.74) | .81 | 3.51 (.98) | .87 | 3.56 (.97) | .87 |
 Teamwork within units | 4.22 (.63) | .77 | 4.58 (.60) | .86 | 4.07 (.70) | .82 | 4.12 (.71) | .83 |
 Learning, feedback and improvement within units | 3.67 (.76) | .77 | 3.89 (.77) | .79 | 3.07 (.80) | .74 | 3.15 (.83) | .76 |
Individual behavior | ||||||||
 Stop working in dangerous situations | 4.11 (.57) | .68 | 4.25 (.55) | .74 | 4.08 (.58) | .69 | 4.10 (.58) | .70 |
Outcome dimension | ||||||||
 Transitions and handoffs | 3.32 (.65) | .78 | 3.48 (.66) | .85 | 3.39 (.66) | .77 | 3.40 (.66) | .78 |