Table 4.
Change score by demographic category, using multivariable multilevel linear regression analysis*
| Mean | 95% CI | P value | |
|---|---|---|---|
| Age (year) | |||
| <30 | 8.2 | 7.1 to 9.4 | r.c. |
| 30-50 | 7.7 | 6.7 to 8.7 | 0.49 |
| >50 | 9.3 | 7.5 to 11.0 | 0.33 |
| Sex | |||
| Male | 6.9 | 4.3 to 9.5 | r.c. |
| Female | 8.2 | 7.5 to 8.9 | 0.33 |
| Function | |||
| Nurse | 8.0 | 7.3 to 8.8 | r.c. |
| Nursing student | 12.7 | 5.5 to 19.8 | 0.20 |
| Healthcare assistant | 9.6 | 5.0 to 14.2 | 0.51 |
| Level of education | |||
| Vocational | 8.4 | 7.6 to 9.2 | r.c. |
| Bachelor or master | 7.1 | 5.6 to 8.6 | 0.12 |
| Experience (year) | |||
| 0-1 | 9.7 | 6.5 to 12.9 | r.c. |
| 1-5 | 7.7 | 6.6 to 8.8 | 0.25 |
| 5-10 | 8.5 | 7.0 to 10.0 | 0.51 |
| >10 | 8.2 | 7.0 to 9.5 | 0.42 |
| Type of ward | |||
| Internal medicine ward | 8.0 | 7.1 to 9.0 | r.c. |
| Surgical ward | 8.1 | 7.1 to 9.2 | 0.92 |
| Other | 17.7 | 7.6 to 27.7 | 0.06 |
| Type of hospital | |||
| University | 9.2 | 7.3 to 11.2 | r.c. |
| Tertiary teaching | 7.2 | 5.7 to 8.6 | 0.09 |
| General | 8.3 | 7.4 to 9.1 | 0.36 |
*Incomplete tests were excluded from analysis.