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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Qual Life Res. 2013 Mar 9;22(9):10.1007/s11136-013-0380-2. doi: 10.1007/s11136-013-0380-2

Table 3.

Group-based trajectory model diagnostics

Model AvePP OCCj Pj πj % difference between Pj and πj
Two-group
  Low 0.96 51.00 0.329 0.32 2.81
  High 0.97 15.68 0.671 0.68 1.32
Four-group
  Low 0.95 48.86 0.281 0.28 0.36
  Medium 0.91 12.86 0.434 0.44 1.36
  High 0.90 28.50 0.244 0.24 1.67
  Stable 0.99 2376.00 0.041 0.04 2.50

AvePP: average of the posterior probabilities of group membership; OCCj: odds of correct classification; Pj: posterior probabilities of group membership; πj: proportion of group membership.