. Author manuscript; available in PMC: 2011 Aug 10.

Published in final edited form as: J Drug Issues. 2010 WINTER;40(1):173–194. doi: 10.1177/002204261004000110

Table 2.

Unconditional Growth Mixture Models with Mortality as a Distal Outcome

	Model 1: No covariate, No distal outcome				Mode 2: included mortality as a distal outcome
	Increased	Decreased Late	Decreased Early	Moderate	Increased	Decreased Late	Decreased Early	Moderate
Means
Intercept (I)	1.30^**	1.79^**	2.27^**	2.60^**	1.29^**	1.80^**	2.26^**	2.59^**
Slope (S)	0.22^**	0.34^**	−0.01	−0.34^**	0.22^**	0.34^**	−0.005	−0.33^**
Quadratic (Q)	−0.01^*	−0.04^**	−0.05^**	0.02^**	−0.01^**	−0.04^**	−0.05^**	0.02^**
Variance¹
Intercept	0.45^**	0.45^**	0.45^**	0.45^**	0.45^**	0.45^**	0.45^**	0.45^**
Residual Variance	2.22^**	2.22^**	2.22^**	2.22^**	2.22^**	2.22^**	2.22^**	2.22^**
Logit of probability of class membership	0.42	−0.02	−0.97^**	--	0.38	−0.06	−1.00^**	--
Dead (vs Alive)	--	--	--	--	−0.31	0.01	−1.11^**	−0.60^*
Mortality %	41.4	47.1	25.5	39.3	42.1	48.3	25.5	37.2
Number of subjects (%) in each class	186 (39)	121 (26)	47 (10)	117 (25)	183 (39)	120 (25)	47 (10)	121 (26)
Goodness of fit
Bayesian (BIC)	24621.6				25274.2
LMR LRT	P=0.0013				P=0.0003

Variances of Slope and Quadratic were constrained to zero.

p <0.05

^**

p <0.01