| Method | Outcome assessment period/timing | Data source | Level data collected | Analysis level |
---|---|---|---|---|---|
Primary outcome | Â | Â | Â | Â | Â |
Appropriate post-traumatic amnesia screening (PTA) | Chart audit (retrospective) | 2Â month period post-intervention | Hospital record | Patient | Patient |
Secondary outcomes | |||||
Clinical practice outcomes | Â | Â | Â | Â | Â |
PTA screening tool | Chart audit (retrospective) | 2Â month period post-intervention | Hospital record | Patient | Patient |
Memory - clinical assessment | Chart audit (retrospective) | 2Â month period post-intervention | Hospital record | Patient | Patient |
Computed tomography scan - clinical criteria (CT)1 | Chart audit (retrospective) | 2Â month period post-intervention | Hospital record | Patient | Patient |
Provision of patient information (INFO) | Chart audit (retrospective) | 2Â month period post-intervention | Hospital record | Patient | Patient |
Safe discharge based on PTA and INFO | Chart audit (retrospective) | 2Â month period post-intervention | Hospital record | Patient | Patient |
Safe discharge based on PTA, CT, and INFO | Chart audit (retrospective) | 2Â month period post-intervention | Hospital record | Patient | Patient |
Proxy measures of clinical practice | Â | Â | Â | Â | Â |
Self-report of adherence to recommended practice | Â | Â | Â | Â | Â |
• PTA | Staff questionnaire (1-item) | Baseline/Endpoint | Doctors | Staff member | Staff member |
 | Nurses | ||||
• CT | Staff questionnaire (1-item) | Baseline/Endpoint | Doctors | Staff member | Staff member |
• INFO | Staff questionnaire (1-item) | Baseline/Endpoint | Doctors | Staff member | Staff member |
 | Nurses | ||||
Behavioural simulation2 to adhere to recommended practice | Â | Â | Â | Â | Â |
• PTA | Staff questionnaire (clinical vignettes) | Endpoint | Doctors | Staff member | Staff member |
Nurses | |||||
• CT | Staff questionnaire (clinical vignettes) | Endpoint | Doctors | Staff member | Staff member |
Nurses | |||||
• INFO | Staff questionnaire (clinical vignettes) | Endpoint | Doctors | Staff member | Staff member |
 |  |  | Nurses |  |  |