Appendix Table 3b.

Factor Loadings for Intermediate Quality Hospitals

Variable	Factor 1 Eigen= 9.6	Factor 2 Eigen= 3.8	Factor 3 Eigen= 1.7	Factor 4 Eigen= 1.3	Factor 5 Eigen= 1.0
Patient Demographics	0.1025	0.3404	0.7040	−0.0191	−0.0672
Physician Notes	0.4009	0.5212	−0.0040	0.1056	0.0023
Nurses Notes	0.1289	0.7419	0.1927	0.0568	0.1537
Problem Lists	0.1484	0.6817	0.0687	0.0730	0.2478
Medication Lists	0.1728	0.6526	0.2825	0.1054	0.1712
Discharge Summaries	0.1121	0.6943	0.2034	0.1672	0.0464
Advanced Directives	0.1420	0.5384	0.0970	0.2632	0.1673
View Lab Reports	0.0687	0.1066	0.9065	0.1372	0.0323
View Radiology Reports	0.0505	0.1035	0.8781	0.1909	0.0464
View Radiology Images	0.0924	−0.0242	0.5830	0.2084	0.0600
View Diagnostic Test Results	0.1124	0.1431	0.2604	0.8139	0.1012
View Diagnostic Test Images	0.1347	0.0622	0.1202	0.8476	0.1045
View Consultant Reports	0.1339	0.3519	0.2328	0.4869	0.1004
CPOE Laboratory Tests	0.9440	0.0433	0.0632	0.0383	0.0434
CPOE Radiology Tests	0.9423	0.0433	0.0661	0.0362	0.0471
CPOE Medications	0.9546	0.0920	0.0375	0.0608	0.1032
CPOE Consultation Requests	0.8862	0.0819	0.0554	0.0828	0.1295
CPOE Nursing orders	0.8441	0.1144	0.0912	0.0882	0.0545
Clinical Guidelines	0.3697	0.1423	0.0486	0.1206	0.8088
Clinical Reminders	0.3282	0.1730	0.0814	0.1046	0.8338
Drug Allergy Alerts	0.9464	0.0882	0.0447	0.0567	0.1590
Drug-Drug Interaction Alerts	0.9476	0.0914	0.0442	0.0528	0.1542
Drug-Lab Interaction Alerts	0.8608	0.0971	0.0199	0.0763	0.1784
Drug Dosing Support	0.8650	0.1158	0.0168	0.0720	0.1868

^*Maximum Factor Loadings in Bold. Factors incorporated for Eigenvalues greater than 1. CPOE=computerized physician order entry.