Table 2.

Estimates of Three-Class Trajectory Model Parameters

	Class 1		Class 2		Class 3
	Coefficient	Standard error	Coefficient	Standard error	Coefficient	Standard error
Trajectory equations
Intercept	−1.812	0.558**	−0.079	0.386	0.913	0.561
Age	−0.101	0.058	−0.084	0.043	0.124	0.068
Age2	0.006	0.002**	0.006	0.001*	−0.001	0.002
TTDB	−1.052	0.105***	−0.693	0.065***	−0.415	0.125***
[TTDB]2	0.056	0.008***	0.029	0.005***	0.011	0.007
TTDD	−6.542	315.3	−4.017	0.389***	−4.274	0.622***
High blood pressure	0.219	0.152	0.024	0.110	−0.079	0.154
Cancer	−0.163	0.165	0.022	0.131	0.006	0.251
Lung disease	0.420	0.181*	0.444	0.159**	0.634	0.412
Heart disease	0.083	0.147	0.309	0.113**	0.550	0.176**
Stroke	1.625	0.155***	2.072	0.154***	2.821	0.710***
Arthritis	0.595	0.191**	0.982	0.119***	0.865	0.187***
Current smoker	−1.153	0.756	−0.260	0.214	−0.036	0.324
Widowed	−0.039	0.154	−0.188	0.113	−0.342	0.167*
Class-membership equations
Intercept			−0.997	0.205***	−2.755	0.243***
Female			0.686	0.122***	1.191	0.156***
Black			0.328	0.168	0.886	0.147***
Hispanic			0.265	0.240	0.837	0.206***
Ever smoked			−0.002	0.115	−0.285	0.131*
College degree			−0.085	0.173	−0.001	0.226
Less than high school			0.411	0.114***	0.822	0.129***

Notes. TTD = time to death.

*p < .05. **p < .01. ***p < .001.