Table 5.

Hierarchical multiple regression models estimating associations between motives and SF-12 scores, controlling for cannabis use (n=1,116)

	SF-12 PCS			SF-12 MCS
	ΔR2	β	p	ΔR2	β	p
Step 1	0.00			0.01
Cannabis use		0.00	0.95		0.11	<0.001
Step 2	0.05			0.20
Cannabis use		−0.01	0.63		0.13	<0.001
Enjoyment		0.01	0.69		0.07	0.04
Conformity		0.02	0.65		0.06	0.05
Coping		0.09	0.01		−0.40	<0.001
Experimentation		−0.02	0.48		0.01	0.83
Boredom		0.09	0.01		0.01	0.66
Alcohol		0.00	0.99		0.00	0.99
Celebration		0.03	0.50		0.13	<0.001
Altered Perceptions		0.06	0.10		0.00	0.99
Social Anxiety		−0.01	0.81		−0.09	0.01
Relative Low Risk		0.07	0.05		−0.01	0.88
Sleep		−0.11	<0.001		−0.11	<0.001
Availability		−0.01	0.83		0.03	0.30

Note. SF-12 PCS = Short Form-12 Health Survey Physical Component Summary. SF-12 MCS = Short Form-12 Mental Component Summary. β = Standardized Regression Coefficient