. Author manuscript; available in PMC: 2016 Aug 16.

Published in final edited form as: Sleep Health. 2015 Sep;1(3):191–196. doi: 10.1016/j.sleh.2015.06.007

Table 3.

Coefficients of OLS regression of weekday nighttime sleep duration and caregiver-reported screen time.

	Model 3	Model 4

	Weekday sleep duration (h)	Weekday sleep duration (h)
Screen time (h)
Duration of television per weekday	−0.09^***	−0.05^***
Duration of computer use per weekday	−0.11^***	−0.05^*
Child's sex (ref: female)
Male	–	−0.04
Mother's race/ethnicity (ref: white)
Black, non-Hispanic	–	−0.44^***
Hispanic	–	−0.12^*
Other race/ethnicity	–	−0.38^***
Mother's relationship with father (ref: married)
Cohabiting	–	−0.16^**
Friendly	–	−0.15^*
Hardly or never talk	–	−0.23^*
Mother's educational level (ref: college graduate)
≤ High school diploma/GED	–	−0.25^***
Some college or technical college	–	−0.11
Constant	9.29^***	9.73^***
Observations	2770	2770
R²	0.03	0.09

P < .05.

^**

P < .01.

^***

P < .001.