How high: Quantity as a predictor of cannabis-related problems

Table 4 Summary of Regression Analysis for Variables Predicting Dependence (N = 5446)

Variable	B	SE B	β	R ²	R ² -Change
Step 1				0.097	0.097***
Respondent sex	-0.022	0.006	-0.046***
Respondent age	-0.005	0.000	-0.265***
Step 2				0.179	0.082***
Frequency of use (days per month)	0.140	0.012	0.183***
Step 3				0.194	0.016***
Quarter ounces per month	0.110	0.012	0.143***
Step 4				0.202	0.008***
Usual intoxication intensity	0.011	0.003	0.058***
Step 5				0.205	0.003***
Maximum intoxication intensity	0.013	0.003	0.070***
F (6,5445) = 233.836, p < 0.001

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