Table 3.

Change in Measures of Verbal Declarative Memory By Abstinence Status Across 4-Week Study Period

	Initial Encoding	Total Encoding	Delayed Recall
Omnibus Model Effects
Time (Study Week)	F(4,88) = 1.13, p = 0.35	F(1,88) = 0.82, p = 0.51	F(4,88) = 5.56, p = 0.0005
Abstinence Status	F(1,88) = 10.00, p = 0.002	F(1,88) = 5.67, p = 0.02	F(1,88) = 2.91, p = 0.09
Abstinence Status X Time	F(3,88) = 0.21, p = 0.89	F(3,88) = 1.32, p = 0.27	F(3,88) = 1.49, p = 0.22
Comparison of Slopes Between Weeks by Group
Baseline to Week 1
MJ-Abst	β = 0.27, t(88) = 2.12, p = 0.04	β = 0.30, t(88) = 2.93, p = 0.004	β = 0.08, t(88) = 0.68, p = 0.50
MJ-Mon	β = −0.32, t(88) = 1.81, p = 0.07	β = −0.22, t(88) = −1.46, p = 0.15	β = −0.47, t(88) = −2.58, p = 0.01
Week 1 to Week 2
MJ-Abst	β = −0.14, t(88) = −1.09, p = 0.28	β = −0.26, t(88) = −2.51, p = 0.01	β = −0.35, t(88) = −2.94, p = 0.004
MJ-Mon	β = 0.03, t(88) = 0.14, p = 0.89	β = 0.11, t(88) = 0.70, p = 0.49	β = −0.19, t(88) = −1.08, p = 0.28
Week 2 to Week 3
MJ-Abst	β = 0.23, t(88) = 1.31, p = 0.19	β = 0.23, t(88) = 1.77, p = 0.08	β = 0.15, t(88) = 1.24, p = 0.22
MJ-Mon	β = 0.01, t(88) = 0.02, p = 0.98	β = 0.03, t(88) = 0.16, p = 0.87	β = 0.39, t(88) = 2.17, p = 0.03
Week 3 to Week 4
MJ-Abst	β = −.13, t(88) = −0.69, p = 0.49	β = −0.08, t(88) = −0.58, p = 0.57	β = −0.30, t(88) = −2.22, p = 0.03
MJ-Mon	β = −.02, t(88) = −0.06, p = 0.96	β = −0.18, t(88) = −0.90, p = 0.37	β = −0.25, t(88) = −1.28, p = 0.20
Pairwise Group Comparisons at Each Time Point
Week 1 (MJ-Abst vs MJ-Mon)	β = 0.59, t(88) = 2.95, p = 0.004	β = 0.52, t(88) = 3.06, p = 0.003	β = 0.60, t(88) = 3.45, p = 0.0009
Week 2 (MJ-Abst vs MJ-Mon)	β = 0.43, t(88) = 1.89, p = 0.06	β = 0.15, t(88) = 0.73, p = 0.47	[β = 0.38, t(88) = 1.93, p = 0.056
Week 3 (MJ-Abst vs MJ-Mon)	β = 0.65, t(88) = 2.45, p = 0.02	β = 0.34, t(88) = 1.59, p = 0.12	β = 0.42, t(88) = 1.95, p = 0.05
Week 4 (MJ-Abst vs MJ-Mon)	β = 0.54, t(88) = 0.62, p = 0.06	β = 0.45, t(88) = 1.95, p = 0.05	β = 0.42, t(88) = 1.83, p = 0.07