Table 4. Multiple regression analysis for the factors affecting ABCDE knowledge score.

N= 242; R2= 0.154; p-value < 0.001

Variables	Regression coefficient (B)	95% Confidence interval	P-value
Gender (0=female, 1= male)	0.673	-0.549, 1.895	0.279
Working experience (years)	0.135	0.050, 0.219	0.002
Interval since the last education (years)	-0.054	-0.142, 0.035	0.233
Advanced Cardiac Life Support (0= no, 1 = yes)	0.686	-0.514, 1.887	0.261
Advanced Trauma Life Support (0= no, 1 = yes)	2.368	0.529, 4.207	0.012
Theoretical lecture (0= no, 1 = yes)	3.075	0.704, 5.445	0.011