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. Author manuscript; available in PMC: 2009 Jan 1.

Published in final edited form as: J Neonatal Nurs. 2008;14(1):9–16. doi: 10.1016/j.jnn.2007.11.001

Random Component.

				Wald Test		LR Test
Effect	Estimate	SE	z	χ²	p	χ²	p
$τ_{00}^{(3)}$	29.57	11.44	2.58	6.68	< .05	7.72	< .05
$τ_{00}^{(2)}$	48.98	9.52	5.15	26.48	< .01	1392.26	< .01
${\hat{σ}}_{e}^{2}$	37.71	.60	63.13	3985.05	< .01	263642	< .01