Table 3.

Conditional and Joint Probabilities of Treatment Utilization and Methamphetamine Use Trajectory Groups

	MA Use Trajectory Group
	Low	Moderate	Decreasing	High
Treatment Utilization Trajectory Group
3.A. Probability of MA Use Group Conditional on Treatment Group 1
Low	23.2	40.7	8.2	27.9
Slower-to-tx	8.0	17.9	56.5	17.5
Quicker-to-tx	43.7	22.0	30.1	4.2
3.B. Probability of Treatment Group Conditional on MA Use Group 2
Low	45.7	66.7	16.1	72.8
Slower-to-tx	7.4	13.7	51.7	21.3
Quicker-to-tx	46.9	19.6	32.3	6.0
3.C. Joint Probability of Treatment and MA Use Group 3
Low	11.5	20.3	4.1	13.9
Slower-to-tx	1.9	4.2	13.1	4.1
Quicker-to-tx	11.8	6.0	8.2	1.1

¹rows add to 100%

²columns add to 100%

³all entries add to 100%