Table 3.

Multilevel Models of Co-Use Predicting Subjective Cannabis Effects on the Revised Scale

Fixed Effects	Main Effects		All Interactions
Model Set A	b	SE	b	SE
Intercept	49.90***	1.35	49.93***	1.36
Level 1
Number of Hits	2.11***	0.16	2.11***	0.16
aAlcohol	−0.48	1.56	−0.44	1.57
bNicotine	5.24*	2.15	5.18*	2.17
Hits X Alcohol	-	-	0.23	0.40
Hits X Nicotine	-	-	−0.11	0.57
Level 2
Mean Number of Hits	0.24	0.22	0.24	0.23
Model Set B
Intercept	49.84***	1.36	49.84***	1.36
Level 1
Number of Hits	2.03***	0.15	2.04***	0.15
cBlunts	6.47**	2.05	6.41**	2.06
dCigarettes	−5.16	3.94	−5.17	3.96
eNicotine Vaping	7.23**	2.53	7.30**	2.54
Hits X Blunts			−0.10	0.56
Hits X Cigarettes			0.68	0.80
Hits X Nicotine Vaping			0.13	0.67
Level 2
Mean Number of Hits	0.24	0.22	0.24	0.22

Note. n = 597 days nested within 105 individuals.

^*p < .05;

^**p <.01;

^***p <.001

^aAlcohol: 1 = Any alcohol used; 0 = No alcohol used;

^bNicotine: 1 = Any blunts, cigarettes, cigars, cigarillos, hookah, or e-cigarettes used; 0 = No cigarettes, cigars, cigarillos, hookah, or e-cigarettes used;

^cBlunts: 1 = Blunt only day; 0 = Other Mode of Administration Day;

^dCigarettes: 1 = Any cigarettes used; 0 = No cigarettes used;

^eNicotine Vaping: 1 = Any e-cigarettes/nicotine vaping used; 0 = No e-cigarettes/nicotine vaping used