| Demographic characteristics | Knowledge Score | Statistical Analysis P < 0.05 | |
| Before Education Mean | After Education Mean | ||
| Age | |||
| ≤25 | 12.1 | 17.6 | 0.049 |
| 26 - 30 | 11.2 | 12.9 | 0.099 |
| ≥31 | 3.6 | 4.1 | 0.86 |
| Educational degree | |||
| Bachelor | 23.1 | 28 | 0.049 |
| Master | 3.1 | 4.6 | 0.05 |
| Gender | |||
| Male | 11.3 | 13.1 | 0.055 |
| Female | 15.9 | 17.7 | 0.042 |
| Position | |||
| Head nurse | 2.1 | 2.5 | 0.049 |
| Staff nurse | 25.2 | 36.1 | 0.061 |
| Units/wards | |||
| Medical ICU | 16.8 | 17.9 | 0.069 |
| Surgical ICU | 10.6 | 16.1 | 0.046 |
| CCU | 9.4 | 11.2 | 0.049 |
| Nursing experience | |||
| ≤5 | 25.6 | 28.1 | 0.044 |
| 6 - 10 | 6.1 | 7.2 | 0.092 |
| ≥11 | 2.2 | 3.1 | 0.09 |
| Have previous medication administration education program before | |||
| Yes | 25.6 | 28.1 | 0.044 |
| No | 9.4 | 11.2 | 0.049 |