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. Author manuscript; available in PMC: 2022 Jan 1.

Published in final edited form as: Behav Sleep Med. 2019 Nov 23;19(1):1–11. doi: 10.1080/15402002.2019.1695617

Table 3.

Multilevel Model Coefficients for NA, PA and PA/NA Ratio for 8h TIB compared to 6h TIB group

	NA	PA	Positivity ratio (PA/NA)
	B (SE)	B (SE)	B (SE)
Level 2: Person-level
8h TIB (Reference)	–	–	–
6h TIB	− 0.47 (1.18)	0.98 (1.11)	0.10 (0.10)
Level 1: Daily-level
Day	0.19 (0.10)^*	− 0.05 (0.08)	− 0.02 (0.01)^*
NA spillover	0.17 (0.03)^***	− 0.04 (0.03)	− 0.01 (0.003)^***
PA spillover	− 0.03 (0.03)	0.17 (0.03)	0.01 (0.003)^***
Group x day
6h TIB x day	− 0.23 (0.11)^*	0.02 (0.10)	0.02 (0.01)^*

Note. TIB indicates time in bed. NA indicates negative affect. PA indicates positive affect.

^*

p < .05.

^***

p< .001.