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Table 3 Baseline test score by demographic category, using multivariable multilevel linear regression analysis*

From: The effect of an e-learning course on nursing staff’s knowledge of delirium: a before-and-after study

  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
  1. *Incomplete tests were excluded from analysis. Bold: test score differs significantly from the test score of the reference category.