. Author manuscript; available in PMC: 2014 Jan 1.

Published in final edited form as: Appetite. 2012 Oct 2;60(1):246–251. doi: 10.1016/j.appet.2012.09.026

Table 4.

Correlations among sleep, calories, macronutrients, and body mass index

	BMI	Total Calories	Total Carbs	Total Fat	Total Protein	Sleep Duration	Midpoint	Carbs after 8	Fat after 8	Protein After 8	Carbs 4 hours before bed	Fat 4 hours before bed	Protein 4 hours before bed
BMI	--	.26^†	.14	.15	.33^*	−.21	.35^*	.29^*	.32^*	.39^**	.19	.00	.37^*
Total Calories		--	.82^***	.75^***	.85^***	−.23	−.11	.56^***	.60^***	.68^***	.36^*	.23	.43^*
Total Carbs			--	.49^***	.54^***	−.07	−.03	.53^***	.38^**	.41^**	.42^**	.27	.31^*
Total Fat				--	.65^**	−.06	.10	.94^*	.61^***	.43^**	.41^**	.24	.37^*
Total Protein					--	−.20	.26	.42^**	.54^***	.71^***	.18	.07	.34^*
Sleep Duration						--	−.24	−.47^**	−.50^***	−.49^***	−.00	.27	−.21
Midpoint							--	.52^***	.48^**	.53^***	−.07	−.12	.07
Carbs after 8								--	.82^***	.81^***	.14	.13	.44^**
Fat after 8									--	.85^***	.38^**	.22	.47^**
Protein After 8										--	.32^*	.20	.49^**
Carbs 4 hours before bed											--	.42^**	.77^*
Fat 4 hours before bed												--	.36^*
Protein 4 hours before bed													--

BMI= Body mass index, Midpoint= midpoint of sleep, a measure of sleep timing.

p<.05

^**

p<.01,

^***

p<.001,

^†

p<.10