Table 2.
Reliabilities (α) for scale variables, correlations (r), means and SD (3 months: n=121; 12 months: n=161)
| Mean (SD) | EHR usability | CPOE usefulness | eMAR usefulness | Nursing flowsheet usefulness | Information about EHR implementation | Inputs in decisions regarding EHR implementation | |
| Reliability of scales | α=0.928 | α=0.904 | α=0.956 | α=0.924 | α=0.939 | α=0.985 | |
| 3 months post-EHR implementation | |||||||
| EHR acceptance | 59.10 (25.91) | r=0.718 | r=0.674 | r=0.626 | r=0.577 | r=0.514 | r=0.462 |
| EHR usability | 49.82 (20.88) | r=0.683 | r=0.577 | r=0.598 | r=0.486 | r=0.418 | |
| CPOE usefulness | 48.08 (24.07) | r=0.622 | r=0.524 | r=0.496 | r=0.398 | ||
| eMAR usefulness | 64.01 (25.91) | r=0.601 | r=0.396 | r=0.282 | |||
| Nursing flowsheet usefulness | 66.62 (23.81) | r=0.360 | r=0.304 | ||||
| Information about EHR implementation | 56.70 (24.68) | r=0.577 | |||||
| Inputs in decisions regarding EHR implementation | 41.56 (28.73) | ||||||
| 12 months post-EHR implementation | |||||||
| EHR acceptance | 65.62 (23.90) | r=0.767 | r=0.705 | r=0.623 | r=0.698 | – | – |
| EHR usability | 56.41 (20.55) | r=0.674 | r=0.551 | r=0.582 | – | – | |
| CPOE usefulness | 56.34 (24.14) | r=0.562 | r=0.510 | – | – | ||
| eMAR usefulness | 70.99 (22.32) | r=0.684 | – | – | |||
| Nursing flowsheet usefulness | 70.37 (22.50) | ||||||
CPOE, computerized provider order entry; eMAR, electronic medication administration record; EHR, electronic health records.
All correlations are significant at the p=0.01 level.