Table 4.

Factors influencing nurses’ compliance with VAP prevention guidelines.

Predictor value	Β	Std. Error	Beta	T	P	95% Confidence Interval for B
						Lower Bound	Upper Bound
(Constant)	21.2	1.5		14.2	<0.001	18.3	24.1
Type of ICU (reference group: Burn ICU)
•General ICU	4.5	1.1	0.5	4.0	<0.001	2.3	6.75
•Medical ICU	6.0	1.6	0.6	3.8	<0.001	2.9	9.1
•Surgical ICU	7.9	1.6	0.8	5.0	<0.001	4.8	11.0
•Coronary care unit	5.9	1.7	0.4	3.4	<0.001	2.5	9.2
Number of beds in ICU (reference group: ≤10 beds)
•10–15 beds	4.7	1.1	0.6	4.5	<0.001	2.6	6.8
•>20 beds	7.5	1.6	0.7	4.7	<0.001	4.3	10.6
Received education on VAP prevention (reference group: No)
Yes	1.1	0.5	0.1	2.1	0.043	0.07	2.1

Abbreviations: ICU = intensive care units; VAP = ventilator-associated pneumonia.

Note: Dependent variable was the compliance score. β is the unstandardized coefficient. R² = 0.180; adjusted R² = 0.154.