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Table 4 Change 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 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
  1. *Incomplete tests were excluded from analysis.