Table 3.

Neonatal intensive care unit characteristics and correlations with percent of very low birth weight infants discharged to home on any human milk (n = 97).

		Min	Max	Pearson’s correlation r (p)
Practice Environment Scale of the Nurse Work Index Subscales
Nurse participation in hospital affairs	2.95 (0.28)	2.11	3.95	0.26*
Nursing Foundations for Quality Care	3.22 (0.20)	2.72	3.97	0.25*
Nurse manager ability, leadership, and support	2.92 (0.39)	1.91	3.97	0.33**
Staffing and resource adequacy	2.96 (0.38)	1.82	3.96	0.42***
Collegial nurse-physician relations	3.20 (0.32)	2.01	3.97	0.20
Practice Environment Scale of the Nurse Work Index composite score	3.05(0.25)	2.42	3.96	0.38***
Acuity-adjusted nurse staffing ratio	1.00 (0.15)	0.64	1.50	0.33***
Nurse qualifications
Proportion of neonatal intensive care unit nurses with a baccalaureate   or higher degree in nursing, mean (SD)	.55 (.15)	.23	.93	0.08
Proportion of neonatal intensive care unit nurses with 5 or more years   of neonatal intensive care unit nursing experience,a mean (SD)	.61 (.17)	0	.94	0.11
Proportion of neonatal intensive care units with lactation consultant available, %	51	–	–	0.20*
Proportion of infants with breastfeeding support,b mean (SD)	.14 (.07)	.02	.33	0.54***

^aNursing experience in the neonatal intensive care unit refers to 5 years or more work experience in the current neonatal intensive care unit.

^bNurses reported on infants cared for on the last shift worked.

^*p < 0.05.

^**p < 0.01.

^***p < 0.001.