Table 4.

Multilevel Model Estimates for Morning Rest

Fixed Effect	Coefficient	SE	t-value	p-value
Average level of sleep efficiency
Intercept	3.691	0.121	30.575	<0.001
Gender	0.240	0.138	1.743	0.085
Age	0.107	0.074	1.445	0.153
Income	0.164	0.056	2.908	0.005
Self-rated health	−0.149	0.078	−1.913	0.060
Mean PA	0.220	0.126	1.743	0.086
Mean NA	−0.055	0.104	−0.530	0.598
iSD PA	−0.100	0.082	−1.219	0.227
iSD NA	−0.042	0.106	−0.396	0.693
Trait NA	−0.094	0.078	−1.199	0.234
Trait PA	0.213	0.064	3.313	0.001
Negative reactivity	−0.206	0.157	−1.311	0.194
Positive reactivity	−0.150	0.262	−0.570	0.570
Net reactivity	−0.227	0.230	−0.985	0.328
Trait PA squared	−0.002	0.053	−0.046	0.963
Negative reactivity squared	0.001	0.052	−0.004	0.997
Positive reactivity squared	−0.105	0.045	−2.319	0.023
Net reactivity squared	0.025	0.061	0.411	0.682
Trait PA × Negative reactivity	−0.312	0.137	−2.271	0.026
Trait PA × Positive reactivity	−0.655	0.207	−3.167	0.002
Trait PA × Net reactivity	−0.599	0.206	−2.901	0.005
Weekend slope
Intercept	0.042	0.075	0.557	0.578
Exercise slope
Intercept	−0.001	0.001	−0.607	0.544
Caffeine slope
Intercept	0.020	0.017	1.131	0.259
Sleep medication slope
Intercept	−0.541	0.370	−1.463	0.144
Sleep time slope
Intercept	0.002	0.001	3.853	<0.001

Note. NA = negative affect. PA = positive affect.