Table 5.

Associations between Key Cannabis-Related Variables of the LSUR and LSUR-12 and Hypothesized Validating Measures

Cannabis-Related Variables, Sample Sizes Used for Hypothesis Tests, and Descriptive Statisticse	Expected Medium-to-Large Effect Size			Expected Small-to-Medium Effect Size
	RETROSUB a	Brief DAST b	SCIDc Cannabis Use Disorder	Number of Past Incarcerations	NEO-FFI d Neuroticism	NEO-FFI d Conscientiousness
Age at onset of daily cannabis use (16.8±2.8)	N/A	N/A	t=1.83 p=.080 (d=.731) n=27	ρ=−.022 p=.911 n=29	ρ=−.462 p=.018 n=26	ρ=.219 p=.283 n=26
Lifetime cannabis dose (5,141±13,225)	ρ=.486 p=.001 n=43	ρ=.551 p<.001 n=50	U=153.0 p<.001 (θ=.210) n=54	ρ=.597 p<.001 n=58	ρ=.199 p=.167 n=50	ρ=−.176 p=.223 n=50
Cannabis-related problem behaviors (4.5±6.1)	N/A	ρ=.681 p<.001 n=54	U=209.0 p=.017 (θ=.310) n=52	ρ=.428 p=.001 n=56	ρ=.157 p=.285 n=48	ρ=−.241 p=.099 n=48
Past 12-week cannabis dose (105±227)	ρ=.634 p<.001 n=45	N/A	N/A	N/A	ρ=.109 p=.445 n=51	ρ=−.015 p=.917 n=51

^aRetrospective Use of Alcohol and Other Substances

^bThe Drug Abuse Screening Test, Brief Version

^cStructured Clinical Interview for DSM-IV Axis I Disorders

^dNeuroticism, Extraversion, Openness Five-Factor Inventory

^eMean and standard deviation