. Author manuscript; available in PMC: 2020 Apr 1.

Published in final edited form as: Psychosom Med. 2019 Apr;81(3):281–288. doi: 10.1097/PSY.0000000000000665

Table 2.

Participant characteristics as a function of cannabis joint-years from ∼age 12 to 32.

		Cannabis Joint-Years^a
Characteristic	Never Used	<5 Y	5 to <10 Y	10+ Y	r^c	95% CI	p
No.	55	128	45	25	-	-	-
Race, % Black	42	48	80	80	0.35	0.23, 0.46	<.001
Childhood SES,^b M (SD)	0.12 (1.12)	0.04 (0.98)	−0.28 (0.83)	0.00 (1.07)	−0.19	−0.32, −0.07	.002
Childhood Health,^b M (SD)	−0.06 (0.90)	−0.06 (0.96)	0.23 (1.17)	0.06 (1.12)	0.09	−0.03, 0.22	.14
Cannabis Joint-Years, Mean (SD)	0.00 (0.00)	1.28 (1.50)	7.43 (1.40)	12.51 (1.79)	-		-
Tobacco Pack-Years, Mean (SD)	1.43 (2.85)	5.83 (6.56)	5.39 (5.11)	5.85 (4.40)	0.28	0.17, 0.40	<.001

^a.

Note. Cannabis joint-years indicates the number of years participants used cannabis daily.

^b.

Scores are standardized to M=0, SD=1.

^c.

Correlations test the associations between participant characteristics and continuously-scored, log-transformed cannabis joint-years. SES=socioeconomic status. Statistically significant correlations are bolded.