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. Author manuscript; available in PMC: 2017 Mar 1.

Published in final edited form as: Behav Sleep Med. 2014 Oct 14;14(2):140–154. doi: 10.1080/15402002.2014.963584

Table 4.

Frequency and Percent of Students with Technology in the Bedroom and Total Sleep Time for Students With/Without Technology in the Bedroom

	Public/Private School		Homeschool			Total Sleep Time
	n	%	n	%		Mean	SE
Television in Bedroom					X²(1)=7.20, p=.008, Φ=.13			F(1,404)=3.01, p=.08, η_p² = .007
Yes	136	55.5	68	42.0		8.54	0.08
No	109	44.5	94	58.0		8.73	0.08

Computer in Bedroom					X²(1)=3.52, p=.06, Φ=.09			F(1,404)=6.33 p=.01, η_p² = .02
Yes	98	40.0	50	30.9		8.46	0.09
No	147	60.0	112	69.1		8.74	0.07

Phone in Bedroom					X²(1)=3.89, p=.05, Φ=.10			F(1,404)=14.50, p<.001, η_p² = .04
Yes	78	31.8	37	22.8		8.32	0.10
No	167	68.2	125	77.2		8.76	0.06

Note. Bedtimes and wake times reported in military clock time, total sleep time in hours.