TABLE A1.
Correlation matrix, organizational quartiles of internal physician variation across each electronic health record (EHR) use measure.
| Total time in EHR | Outside time in EHR | Time in orders | Time in notes | Time in inbasket | Time in clinical review | Documentation length | Use of smart tools | Use of copy/paste | |
|---|---|---|---|---|---|---|---|---|---|
| Total time in EHR | 1 | ||||||||
| Outside time in EHR | 0.638 | 1 | |||||||
| Time in orders | 0.629 | 0.478 | 1 | ||||||
| Time in notes | 0.764 | 0.588 | 0.506 | 1 | |||||
| Time in Inbasket | 0.718 | 0.523 | 0.452 | 0.495 | 1 | ||||
| Time in clinical review | 0.869 | 0.531 | 0.572 | 0.667 | 0.651 | 1 | |||
| Documentation length | 0.200 | 0.152 | 0.140 | 0.201 | 0.117 | 0.203 | 1 | ||
| Use of SmartTools | 0.555 | 0.437 | 0.261 | 0.479 | 0.421 | 0.539 | 0.208 | 1 | |
| Use of copy/paste | 0.437 | 0.412 | 0.234 | 0.417 | 0.375 | 0.453 | 0.271 | 0.562 | 1 |