| Component | |||
| Variable | 1 | 2 | 3 |
| Neglecting to tell patients of examination/treatment times | 0.676 | -0.133 | -0.380 |
| Neglecting necessary calls | 0.651 | -0.291 | -0.226 |
| Neglecting to verify the condition of a patient after giving medicine | 0.595 | -0.110 | -0.339 |
| Neglecting treatments indicated by a doctor | 0.540 | 0.031 | -0.027 |
| Work not following the manual or checklist | 0.540 | -0.305 | 0.008 |
| Calling a patient by the wrong name | 0.539 | -0.127 | -0.125 |
| Removing bed rails – not leading to a patient fall | 0.499 | -0.041 | 0.475 |
| Leaving a needle on/ around a bed | 0.494 | 0.093 | 0.219 |
| Neglecting to check remaining amount of oxygen in a tank | 0.494 | 0.035 | 0.188 |
| Double-checking by oneself | 0.413 | -0.286 | 0.233 |
| Giving medicine to the wrong patient | 0.464 | 0.635 | -0.144 |
| Setting up an IV with the wrong bottle | 0.465 | 0.628 | -0.111 |
| Neglecting to use bed stoppers | 0.498 | 0.100 | 0.537 |
| Accumulation contribution ratio 44.9% | 28.4% | 8.7% | 7.8% |