TABLE 2.

Factors Associated With Proven, Presumed and Any HAI

Risk Factor	Proven HAI*			Presumed HAI*			Any HAI*
	OR	(95% CI)	P	OR	(95% CI)	P	OR	(95% CI)	P
Gestational age (wks), median (IQR)	0.934	(0.827–1.056)	0.275	0.745	(0.660–0.841)	<0.001	0.861	(0.755–0.981)	0.025
Birth weight (g), median (IQR)	1.000	(0.999–1.001)	0.928				0.999	(0.998–1.001)	0.305
Small for gestational age, n (%)				5.041	(2.556–9.940)	<0.001	2.269	(1.190–4.328)	0.013
Delivery outside of tertiary facility, n (%)				1.232	(0.600–2.529)	0.570	1.365	(0.757–2.460)	0.301
Central venous catheter, n (%)	8.400	(4.305–16.390)	<0.001	3.491	(1.695–7.189)	0.001	5.379	(2.903–9.967)	<0.001
Invasive ventilation, n (%)	3.704	(2.181–6.291)	<0.001	6.119	(3.505–10.684)	<0.001	4.679	(2.943–7.440)	<0.001

^*Only factors with P < 0.1 on univariate analysis included in logistic regression analysis.

CI indicates confidence intervals; HAI, healthcare-associated infection; IQR, interquartile range; OR, odds ratio.