Table 6.

General Linear Mixed Models Examining Cognitive Function and Reports of Concurrent Sleep Difficulties (n = 16,201)

	Model 1	Model 2	Model 3
		95% CI	p Value		95% CI	p Value	b	95% CI
	b	Lower	Upper	b		Lower	Upper		p Value	Lower	Upper
Concurrent Sleep Difficulties
Direct effect of difficulty frequency
Never	Reference	Reference	Reference
Sometimes	−0.24	−0.71	0.21	.286	−0.20	−0.64	0.25	.390	−0.19	−0.63	0.26	.416
Direct effect of time
2004	Reference	Reference	Reference
2006	−0.35	−0.43	−0.28	.088	−0.28	−0.34	−0.21	.000	−0.25	−0.32	−0.18	.000
2010	−1.18	−1.26	−1.11	.000	−1.16	−1.23	−1.09	.000	−1.08	−1.15	−1.01	.000
2014	−1.71	−1.75	−1.63	.000	−1.71	−1.79	−1.64	.000	−1.55	−1.65	−1.65	.000
Time × Difficulty
2006 × Concurrent difficulties	−0.36	−0.93	0.20	.197	−0.11	−0.66	0.49	.671	0.05	−0.49	0.60	.834
2010 × Concurrent difficulties	−0.71	−1.32	0.12	.019	−0.64	−1.23	−0.05	.034	−0.58	−1.17	0.01	.054
2014 × Concurrent difficulties	−0.58	−1.22	0.05	.079	−0.53	−1.17	0.10	.099	−0.50	−1.13	0.13	.123

Notes: Model 1: models include no covariates. Model 2: models include all demographic covariates. Model 3: models include all demographic and health covariates. Bold indicates significance less than .05.