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. Author manuscript; available in PMC: 2017 Sep 1.
Published in final edited form as: Atten Defic Hyperact Disord. 2016 Feb 1;8(3):121–130. doi: 10.1007/s12402-016-0191-8

Table 2.

Growth Mixture Model with 4 Latent Classes in N=251 Participants

Estimate S.E. Est./S.E. Two-tailed p
Persisting low class: Intercept 0.480 0.122 3.941 0.000
Persisting low class: Slope 0.130 0.051 2.551 0.011
Persisting low class: Quadratic term removed from model, because non-significant
Quickly remitting class: Intercept 15.180 0.418 36.316 0.000
Quickly remitting class: Slope −7.794 0.434 −17.957 0.000
Quickly remitting class: Quadratic 1.138 0.097 11.774 0.000
Gradually remitting class: Intercept 16.737 0.205 81.526 0.000
Gradually remitting class: Slope −2.599 0.110 −23.645 0.000
Gradually remitting class: Quadratic term removed from model, because non-significant
Persisting high class: Intercept 16.894 0.210 80.268 0.000
Persisting high class: Slope −1.049 0.130 −8.080 0.000
Persisting high class: Quadratic term removed from model, because non-significant