Table 3.
Baseline test score by demographic category, using multivariable multilevel linear regression analysis*
| Mean score | 95% CI | P value | |
|---|---|---|---|
| Age (year) | |||
| <30 | 79.7 | 78.5 to 80.9 | r.c. |
| 30-50 | 79.8 | 78.8 to 80.8 | 0.84 |
| >50 | 77.0 | 75.4 to 78.7 | <0.01 |
| Sex | |||
| Male | 79.4 | 77.1 to 81.7 | r.c. |
| Female | 79.3 | 78.5 to 80.1 | 0.92 |
| Function | |||
| Nurse | 79.4 | 78.5 to 80.2 | r.c. |
| Nursing student | 78.3 | 72.1 to 84.5 | 0.74 |
| Healthcare assistant | 77.5 | 73.7 to 81.3 | 0.34 |
| Level of education | |||
| Vocational | 78.7 | 77.9 to 79.6 | r.c. |
| Bachelor or master | 81.2 | 79.9 to 82.6 | <0.01 |
| Experience (year) | |||
| 0-1 | 77.4 | 74.5 to 80.2 | r.c. |
| 1-5 | 79.5 | 78.4 to 80.6 | 0.15 |
| 5-10 | 78.6 | 77.2 to 80.0 | 0.45 |
| >10 | 79.9 | 78.7 to 81.2 | 0.10 |
| Type of ward | |||
| Internal medicine ward | 79.4 | 78.4 to 80.4 | r.c. |
| Surgical ward | 79.3 | 78.2 to 80.3 | 0.86 |
| Other | 73.4 | 64.7 to 82.1 | 0.18 |
| Type of hospital | |||
| University | 79.5 | 77.3 to 81.6 | r.c. |
| Tertiary teaching | 79.7 | 77.9 to 81.6 | 0.86 |
| General | 79.1 | 78.1 to 80.1 | 0.79 |
*Incomplete tests were excluded from analysis. Bold: test score differs significantly from the test score of the reference category.