Table 3.

Probability Matrix of Averaged Weekly Transition Frequencies for Non-responders, Substance Use Responders, Post Traumatic Stress Responders, and Substance Use/Post Traumatic Stress Responders (Global Responders) over the Active Treatment Period

	To^a
	1	2	3	4	5
From	Non- Responders	SUD Responders	PTSD Responders	Global Responders	Drop Outs
1
Non-Responders	0.503	0.208	0.087	0.062	0.140
2
SUD Responders	0.111	0.656	0.016	0.131	0.085
3
PTSD Responders	0.149	0.081	0.310	0.367	0.093
4
Global Responders	0.026	0.161	0.060	0.692	0.062

Each cell is the probability of being in that particular group in the next week of treatment. For example in cell 1, given a participant with no improvement, the probability of remaining in no improvement in the next week is p = 0.503.