Table 4.

Latent class transition probabilities from baseline to one-year follow-up, one-year follow up to three-year follow-up, and baseline to three-year follow-up among young adult college students in Texas (n = 4,448).

		One-Year Follow Up
		Non-use (58.5%; n = 2,602)	General use (17.1%; n = 762)	Blunt and Cannabis use (15.0%; n = 665)	Concurrent and Co-administration use (9.4%; n = 419)
Baseline	Non-use (57.8%; N = 2,572)	0.95	0	0.05	0
	General use (18.9%; N = 840)	0.13	0.77	0.03	0.07
	Blunt and Cannabis use (13.2%; N = 585)	0.14	0.03	0.80	0.03
	Concurrent and Co-administration use (10.1%; N = 451)	0	0.17	0.08	0.74
		Three-Year Follow Up
		Non-use (57.9%; n = 2,575)	General use (18.3%; n = 815)	Blunt and Cannabis use (14.9%; n = 662)	Concurrent and Co-administration use (8.9%; n
One-Year Follow Up	Non-use (58.5%; N = 2,602)	0.91	0.04	0.05	0
	General use (17.1%; N = 762)	0.04	0.85	0.05	0.05
	Blunt and Cannabis use (15.0%; N = 665)	0.21	0	0.77	0.03
	Concurrent and Co-administration use (9.4%; N = 419)	0	0.15	0.08	0.78
		Three-Year Follow Up
		Non-use (57.9%; n = 2,575)	General use (18.3%; n = 815)	Blunt and Cannabis use (14.9%; n = 662)	Concurrent and Co-administration use (8.9%; n = 396)
Baseline	Non-use (57.8%; N = 2,572)	0.91	0.02	0.07	0
	General use (18.9%; N = 840)	0.11	0.78	0.04	0.07
	Blunt and Cannabis use (13.2%; N = 585)	0.24	0.01	0.72	0.03
	Concurrent and Co-administration use (10.1%; N = 451)	0.01	0.22	0.08	0.69

The one-year follow up measurement occasion occurred in the spring of 2017 and the three-year follow up in the spring of 2019.