Table 5.

Final Random Effects Model for Interference with Relationships with Age as Predictor and Other Significant Covariates Entered Simultaneously

(N = 184; observations = 5656)
	Beta Coefficient	Standard Error/Standard Deviation	p value
Fixed effects
β1 intercept	0.97	0.08	<.001
β2 Age (−47.4) years	−0.01	0.01	.10
β3 Perceived Health	−0.19	0.01	<.001
β4 Perceived Stress	0.27	0.01	<.001
β5 Depressed mood	0.30	0.02	<.001
β6 Anxiety	0.08	0.02	<.001
β7 Difficulty Concentrating	0.12	0.02	<.001
β8 Awakening at Night	0.03	0.01	.02
Random effects
b1 Intercept σ1		0.67
b2 Age (−47.4) years σ2		0.05
bε residual σε		0.67