Table 3. Factors associated with mean CLABSI rates in Study NICUs in 2011-bivariate analysis.

	CLABSI Rates/1000 CL days
Hospital / NICU characteristics	Median	P- value **
Children's hospital (Yes/No)	1.5/0.7	0.06
Geographic location (Northeast/West/Midwest/South)	0.9/0/0.7/1	0.2
Level (II/III/ III)	0.3/1.2	0.01
Size (≤15, 16-30, 31-45, >46 beds)	0/0.9/0.9/1.3	0.0001
Medical School Affiliation (Yes/No)	1.3/0	0.001
Not for Profit Ownership (Yes/No)	0.8/0.7	0.9
CLABSI Prevention Practices
Use of Checklist
Presence of written policy (Yes/No)	0.6/0.8	0.8
Compliance ≥ 95% vs. all other responses*	0.7/1.1	0.2
Compliance ≥ 95% vs. 75-94% vs. all other responses	0.7/1.5/0.9	0.3
Hand Hygiene
Presence of written policy (Yes/No)	0.8/0.8	0.51
Compliance (≥ 95% vs. all other responses)	0.7/1.1	0.62
Compliance ≥ 95% vs. 75-94% vs. all other responses	0.7/0.8/1.1	0.39
Daily Necessity
Presence of written policy (Yes/No)	0.8/0.9	0.41
Compliance ≥ 95% vs. all other responses	0.4/1.1	0.03
Compliance ≥ 95% vs. 75-94% vs. all other responses	0.4/1.1/1.1	0.08
Maximum Barrier Precautions
Presence of written policy (Yes/No)	0.8/0.8	0.78
Compliance ≥ 95% vs. all other responses	0.7/1.3	0.52
Compliance ≥ 95% vs. 75-94% vs. all other responses	0.7/1.4/1.1	0.82
Optimal Catheter Site
Presence of written policy (Yes/No)	0.8/0.8	0.82
Compliance ≥ 95% vs. all other responses	0.7/1.1	0.35
Compliance ≥ 95% vs. 75-94% vs. all other responses	0.7/1.8/1.0	0.5

^*Other responses includes < 75% compliance, missing responses, ‘don't know’, and ‘no monitoring’

^**Using Wilcoxon Rank Sum test and Kruskal Wallis test