Factors associated with the use of optional double-checking (n=1577 administrations)
| Related factors | OR of double-checking (95% CI) | P value |
| Ward | <0.0001 | |
| A | Ref. | |
| B | 0.58 (0.37 to 0.91) | |
| C | 0.9 (0.51 to 1.59) | |
| D | 0.7 (0.38 to 1.26) | |
| E | 0.31 (0.18 to 0.52) | |
| F | 0.33 (0.21 to 0.52) | |
| G | 0.49 (0.30 to 0.80) | |
| H | 0.34 (0.18 to 0.64) | |
| I | 1.94 (0.93 to 4.04) | |
| Years of experience | 0.0005 | |
| 0–2 | Ref. | |
| 2–5 | 0.52 (0.36 to 0.75) | |
| 5–10 | 0.38 (0.25 to 0.59) | |
| 10–15 | 0.56 (0.34 to 0.90) | |
| 15–20 | 0.61 (0.39 to 0.95) | |
| 20–25 | 0.65 (0.45 to 0.95) | |
| ≥25 | 0.79 (0.48 to 1.31) | |
| No. of multitasks | 0.03 | |
| 0 | Ref. | |
| 1 | 0.68 (0.46 to 0.99) | |
| ≥2 | 0.49 (0.24 to 1.02) | |
| eMM versus paper system | 0.48 (0.37 to 0.62) | <0.0001 |
| Route* | 0.02 | |
| Oral | Ref. | |
| Inhalation | 1.28 (0.80 to 2.04) | |
| Other† | 1.76 (1.15 to 2.67) | |
| Time of day | 0.01 | |
| 07:00–<10:00 | Ref. | |
| 10:00–<14:00 | 1.23 (0.88 to 1.71) | |
| 14:00–<18:00 | 0.80 (0.50 to 1.29) | |
| 18:00–<22:00 | 1.57 (1.13 to 2.18) |
*All IV and IV injection administrations required double-checking.
†Other includes ear, eye, nasal, rectal, subcutaneous injection, topical, transdermal, intramuscular injection.
eMM, electronic medication management.