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. Author manuscript; available in PMC: 2018 Jan 9.
Published in final edited form as: Drug Alcohol Depend. 2016 Nov 23;172:1–8. doi: 10.1016/j.drugalcdep.2016.10.043

Table 1.

Bivariate correlations and descriptive statistics among indicators for marijuana involvement in full sample.

1 2 3 4 M SD Range
1. Past 30-Day Marijuana Use 9.57 9.93 0–30
2. Typical Marijuana Use .75 5.76 6.92 0–42
3. Heavy Marijuana Use .73 .86 6.78 8.44 0–42
4. Consequences .35 .35 .35 8.10 7.83 0–50

Note. Significant correlations are bolded for emphasis and were determined by a 99% bias-corrected bootstrapped confidence interval (based on 10,000 bootstrapped samples) that does not contain zero.