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. Author manuscript; available in PMC: 2006 Jun 21.
Published in final edited form as: J Consult Clin Psychol. 2004 Apr;72(2):288–303. doi: 10.1037/0022-006X.72.2.288

Table 2.

Latent Growth Mixture Model for Psychological Distress

Class 1 (n = 14)
Class 2 (n = 13)
Class 3 (n = 182)
Growth component Estimate |Est./SE| Estimate |Est./SE| Estimate |Est./SE|
Baseline intercept 2.27 5.74 1.08 6.29 0.79 16.07
 Baseline PCA 0.41 0.46 0.20 0.74 0.01 0.12
 Baseline SET 0.37 0.88 0.45 1.93 0.16 1.63
Linear intercept −0.24 1.30 0.62 3.28 −0.11 3.69
 Linear PCA −0.68 2.48 −0.21 0.97 0.03 0.55
 Linear SET −0.10 0.43 −0.18 0.83 −0.11 2.23
Quadratic intercept −0.01 0.43 −0.06 2.51 0.02 3.26
 Quadratic PCA 0.11 4.32 −0.01 0.34 −0.01 0.66
 Quadratic SET 0.04 1.13 0.01 0.32 0.01 1.29
Average class probability
 Class 1 .96 .04 .01
 Class 2 .00 .95 .01
 Class 3 .04 .01 .98

Note. |Est./SE| is the absolute value of the estimate divided by its standard error. The reference group in each of the levels of the growth curve is the community comparison (CC) condition. Thus, the intercept refers to the predicted mean at baseline of the CC. The coefficients for person-centered approach (PCA) and structural ecosystems therapy (SET) represent their respective deviation from the CC intercept.