Table 1.

Distribution of the observed outcome regarding self-reported PTSD symptom trajectory incidence in training set and hold-out set.

	Class 1: Resilient	Class 2: Delayed	Class 3: Recovery	Class 4: Chronic
Incidence in total sample (N = 417)	N = 339 (81%)	N = 20 (5%)	N = 37 (9%)	N = 21 (5%)
Incidence in training set (N = 335)	N = 272 (81%)	N = 16 (5%)	N = 30 (9%)	N = 17 (5%)
Incidence in hold-out set (N = 82)	N = 67 (82%)	N = 4 (5%)	N = 7 (8%)	N = 4 (5%)