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

Table 1 Intercorrelations Between Independent Variables (N = 5987)

Variables	1	2	3	4	5	6	7	8
1. Respondent age	---
2. Respondent sex	-0.005	---
3. Ever smoked cigarettes	0.115**	0.092**	---
4. Number of cigarettes per day	0.254**	0.057**	0.688**	---
5. Frequency of use (days per month)	0.047**	-0.021	0.159**	0.180**	---
6. Quarter ounces consumed per month	-0.006	-0.014	0.159**	0.238**	0.600**	---
7. Usual intoxication intensity	-0.310**	-0.082**	-0.048**	-0.078**	0.052**	0.136**	---
8. Maximum intoxication intensity	-0.424**	-0.087**	-0.021	-0.086**	0.195**	0.168**	0.629**	---

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