Table 1.

Hospital characteristics

	Better nursing resources	Worse nursing resources
Characteristics	(n=76 hospitals)	(n=230 hospitals)	P value
Patient-to-RN staffing ratio, mean (SD)	4.30 (0.50)	5.79 (1.05)	<0.0001
Nurse skill mix, mean (SD)	0.85 (0.04)	0.78 (0.05)	<0.0001
Proportion of RNs with a BSN or higher (%)	68.0	43.0	<0.0001
Nurse work environment, mean (SD)	3.01 (0.19)	2.68 (0.22)	<0.0001
Size, mean number of beds (SD)	335.76 (197.14)	239.48 (140.17)	<0.0001
Non-teaching, n (%)	31 (41)	134 (58)	0.0114
Minor teaching, n (%)	24 (32)	77 (34)	0.7806
Major teaching, n (%)	21 (28)	19 (8)	<0.0001
High technology, n (%)	53 (70)	88 (38)	<0.0001

Note: Nurse work environment is rated on a scale of 0 (worst)–4 (best).

BSN, Bachelor of Science in Nursing; RN, registered nurse.