TABLE 3.

Post Hoc Analysis of Age Related Effects

Variable		Visit Comparisons*	p-value**
DPOAE Level	4 kHz	1a vs. 2	<0.0001
		1a vs. 3	<0.0001
		1a vs. 4	<0.0001
		1b vs. 2	0.0152
		1b vs. 3	0.0075
		1b vs. 4	0.0342
	5.5 kHz	1a vs. 2	<0.0016
		1b vs. 2	0.0328
Noise Level	1 kHz	1a vs. 2	0.0040
	2 kHz	1a vs. 4	0.0003
	4 kHz	1a vs. 4	0.0038
		1b vs. 4	0.0467

DPOAE = Distortion Product Otoacoustic Emission;

^*Number of infant ears per age group: 1a (N=240), 1b (N=96), 2 (N=141), 3 (N=182), 4 (N=130).

^**Studentized maximum modulus multiple pairwise comparison adjustment was applied