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. Author manuscript; available in PMC: 2021 Nov 28.
Published in final edited form as: Am J Drug Alcohol Abuse. 2019 Jul 2;46(1):31–43. doi: 10.1080/00952990.2019.1624764

Table 3.

Mediation analyses of impulsivity, duration of use, and putamen-left orbitofrontal cortical connectivity.

p value
X M Y X → M M → Y X → Y unmediated X → Y mediated X → Y
BIS score conn z mo of use 0.0007 0.0007 0.047 0.98  0.013*
mo of use conn z BIS score 0.00007 0.007 0.047 0.98  0.022*
conn z BIS score mo of use 0.0007 0.98 0.00007 0.0007 0.99 
mo of use BIS score conn z 0.047 0.007 0.00007 0.0007 0.10 
BIS score mo of use conn z 0.047 0.0007 0.0007 0.007   0.08 
conn z mo of use BIS score 0.0007 0.98 0.00007 0.0007 0.98 

Note: conn z: connectivity z score; mo of use: months of ketamine use.

*

p < 0.05