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. Author manuscript; available in PMC: 2016 Sep 1.
Published in final edited form as: J Subst Abuse Treat. 2015 Apr 11;56:11–15. doi: 10.1016/j.jsat.2015.03.006

Table 1.

Cannabis use and negative consequences before and after treatment

Baseline 3 Months 9 Months
Measures MCU NCU MCU NCU MCU NCU
Percent Days of Use 84.41 a
(26.31)		 85.55 a
(25.74)		 25.52 a
(33.57)		 50.37 b
(43.62)		 43.10 a
(41.26)		 57.36 a
(37.19)
Dependence Symptoms 5.86 a
(1.26)		 5.62 a
(1.13)		 3.40 a
(2.40)		 3.38 a
(2.28)		 3.03 a
(2.68)		 3.46 a
(2.34)
Marijuana Problems 10.37 a
(4.36)		 9.81 a
(4.10)		 5.69 a
(5.13)		 5.65 a
(5.08)		 5.89 a
(5.47)		 5.69 a
(4.98)
Self-Efficacy 3.19 a
(1.07)		 3.86 a
(1.27)		 5.17 a
(1.54)		 4.78 b
(1.36)		 4.86 a
(1.53)		 4.45 a
(1.45)

Note. MCU = Maintenance Check Up (n = 35); NCU = No Check-Up (n = 28). Parentheses indicate standard deviations. Means with different superscripts at a given assessment point differ significantly, p < .05.