Table 2.

Model parameters for one-, two-, three-, four-, and five-class solutions

Class	Intercept	Linear	Quadratic	Cubic
Class 1	7.9	0.8	0.1	0.0
Class 2	15.6	5.8	−0.3	0.0
Class 3	3.4	23.8	−2.1	0.1
Class 4	61.2	1.4	−0.2	0.0
Class 5	14.3	11.7	−0.9	0.0