TABLE 4.

Results of Multilevel Modeling Predicting Trajectories of Depression (Top) and Self-Reported Health (Bottom) Over a Five-Year Period

	Effect	df	Unstandardized Parameter Estimate	Standard Error	p value	Standardized Parameter Estimate	Standard Error	p Value
Depression
Random	Intercept	599	32.93	3.70	<.0001	32.18	3.66	<.0001
	Wave	464	0.54	0.22	.006	0.54	0.22	.006
Fixed	Intercept	599	100.93	4.77	<.0001	29.71	0.33	<.0001
	Wave	464	0.11	0.08	0.16	0.11	0.08	.16
	Age	581	−0.10	0.03	<.001	−0.11	0.03	<.001
	Stress Dissipation	590	44.09	6.77	<.0001	5.61	0.65	<.0001
	Stress Input	581	2.70	0.91	<.01	0.52	0.09	<.0001
	Stress Resistance	599	−0.47	0.03	<.0001	−0.36	0.02	<.0001
	Dissip*Resist	591	−0.28	0.05	<.0001	−0.28	0.05	.015
	Input*Resist	580	−0.02	0.01	<.02	−0.02	0.01	<.0001
Self-Reported Health
Random	Intercept	599	19.33	1.43	<.0001	19.45	1.43	<.0001
	Wave	464	0.38	0.05	<.0001	0.39	.05	<.0001
Fixed	Intercept	599	16.76	2.76	<.0001	−0.26	0.21	.210
	Wave	517	0.10	0.04	<.01	0.10	0.04	.009
	Age	580	0.03	0.02	<.06	0.03	0.02	.053
	Stress Dissipation	572	8.44	3.89	<.03	0.97	0.38	<.001
	Stress Input	566	0.21	0.52	.69	0.05	0.05	.314
	Stress Resistance	600	−0.13	0.02	<.0001	−0.10	0.01	<.0001
	Dissip*Resist	573	−0.05	0.03	<.05	−0.05	0.02	.04
	Input*Resist	565	−0.00	0.00	.76	−0.00	0.00	.76

Note. Age, stress dissipation, stress input and stress resistance are all measured at Wave 1. Unstandardized parameter estimates are preferred, because unlike many psychological scales for which the placement of a score of zero is arbitrary, zero is a meaningful value for both of the reservoir model estimates. To aid in evaluation standardized parameter estimates are also listed, with the variables at Level 2 centered on group means.