Table 1.

Means and standard deviations for demographic and sleep-related variables

				Group Effect	Comparison to Controls
	AT/OSA+ (n = 40)	AT/OSA− (n = 38)	Control (n=26)	F	AT/OSA+	AT/OSA−
Age	7.83 (1.80)a	8.43 (1.77)	9.15 (1.97)	4.12*	*.
Education	2.08 (1.85)	2.58 (1.70)	3.35 (1.98)	3.81*	*
SES	2.43 (1.03)	2.87 (0.99)	2.50 (0.71)	2.35
OAIb	5.56 (8.05)	0.14 (0.15)	0.07 (0.14)	82.58***	***
MSLTc	15.61 3.19	16.77 (3.20)	17.47 (3.21)	2.88d	*
PSQf	0.87	0.57	0.07	91.34***	***	***
Snoring	(0.37)	(.38)	(0.45)
PSQf	0.36	0.31	0.13	4.58**	**	*
Sleepiness	(0.51)	(0.52)	(0.63)

^aNumbers in parentheses represent standard deviations

^bObstructive Apnea Index

^cMultiple Sleep Latency Test

^dtrend, p = .06

^eOAI analyses completed on log data due to skewed distribution, but raw data presented for clarity

^fPediatric Sleep Questionnaire (PSQ) subscale

^*p < .05

^**p < .01

^***p < .001