. Author manuscript; available in PMC: 2018 Aug 1.

Published in final edited form as: Psychopharmacology (Berl). 2017 May 16;234(16):2421–2429. doi: 10.1007/s00213-017-4633-6

Table 3.

Correlations between MPT latent factors and marijuana variables

Marijuana Variables	Persistence (Factor 1)	Amplitude (Factor 2)
Marijuana Use
Percent marijuana use days past 60 days	.129	.316^**
Marijuana craving severity	.184	.489^**
Number of cannabis dependence symptoms	.096	.241^*
Marijuana Cessation History
Lifetime quit/reduction attempts	−.194^†	−.116
Marijuana Use Expectances
Negative Expectancies	−.313^**	.001
Cognitive-Behavioral Impairment	−.347^**	−.098
Negative Effects	−.157	−.087
Craving/Physical Effects	−.152	.196^†
Positive Expectancies	−.035	.186
Social/Sexual Facilitation	−.032	.209^*
Relaxation/Tension Reduction	.101	.212^*
Perceptual/Cognitive Enhancement	−.155	.034

^†

p < .054;

p < .05;

^**

p < .01