Table 2.

RI-CLPM Results

	Sample 1					Sample 2
	B	SE	Z	p	β	B	SE	Z	p	β
Random Intercept Variance
Sleep Duration	0.75	0.04	18.92	<.001		0.66	0.06	10.31	<.001
Negative Affect	0.05	0.01	8.77	<.001		0.06	0.01	5.24	<.001
Random Intercept Covariance
Sleep Duration & Negative Affect	−0.02	0.01	−2.44	.015	−0.10	−0.03	0.02	−1.37	.172	−0.13
Within-person Autoregressive Effects
Sleep Duration	0.10	0.02	6.08	<.001	0.10	0.08	0.03	2.86	.004	0.09
Negative Affect	0.19	0.02	9.02	<.001	0.18	0.11	0.03	3.74	<.001	0.11
Within-person Cross-lagged Effects
Sleep Duration → Negative Affect	−0.02	0.00	−6.35	<.001	−0.08	−0.02	0.00	−4.42	<.001	−0.09
Negative Affect → Sleep Duration	0.04	0.08	0.49	.623	0.01	−0.10	0.10	−1.03	.306	−0.02
Covariate Effects on Random Intercepts
Sleep Duration
Age	0.00	0.00	1.96	.050	0.05	0.01	0.00	2.28	.023	0.09
Gender	0.02	0.05	0.33	.740	0.01	0.28	0.07	4.17	<.001	0.17
Race	−0.43	0.07	−6.15	<.001	−0.18	−0.21	0.10	−2.11	.035	−0.09
Negative Affect
Age	−0.01	0.00	−7.09	<.001	−0.16	0.00	0.00	−3.67	<.001	−0.13
Gender	0.03	0.01	3.01	.003	0.07	0.03	0.02	1.65	.099	0.06
Race	0.05	0.02	−2.69	.007	−0.08	−0.02	0.03	−0.73	.464	−0.03

Note. N = 2,022 in Sample 1, N = 782 in Sample 2. RI-CLPM = random-intercept cross-lagged panel model. Boldface indicates statistical significance with alpha of .05.