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. Author manuscript; available in PMC: 2013 May 31.
Published in final edited form as: J Am Acad Child Adolesc Psychiatry. 2011 Jun 2;50(8):796–806.e1. doi: 10.1016/j.jaac.2011.03.012

Table 3.

Correspondence between parent report and home video onset classifications

Parent Report

Early Onset (n = 18) Regression (n = 24) Plateau (n = 10)
TRAJ Grouping
TRAJ1/Early Onset (n = 20) 8 9 3
TRAJ2/Regression (n = 20) 5 11 4
TRAJ3/Plateau (n = 12) 5 4 3

Note: kappa = 0.11, p = .29

TRAJ = trajectory group.