Table 2.

Parameter Estimates for Predicted Growth Mixture Model Latent Classes from Six Assessments of Ratings of the Severity of Worst Pain in the Affected Breast^a

Parameter Estimatesb	Mild Pain	Moderate Pain	Severe Pain
	N = 173 (43.1%)	N = 53 (13.3%)	N = 46 (11.6%)
	Mean	Mean	Mean
Intercept	2.75+	2.42+	7.78+
Linear slope	−0.02	1.42+	−0.50
Quadratic slope	−0.001	−0.17+	0.04
Variancesc
Intercept	0c	0c	0.90
Linear slope	0c	0c	0c
Quadratic slope	0c	0c	0c

Abbreviations: ns = not significant

⁺p≤.005

^aTrajectory group sizes are for classification of individuals based on their most likely latent class probabilities.

^bGrowth mixture model estimates were obtained with robust maximum likelihood.

^cFixed at zero to aid in model convergence.