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. Author manuscript; available in PMC: 2022 Apr 19.
Published in final edited form as: Ment Health Subst Use. 2012 Feb 16;5(3):228–239. doi: 10.1080/17523281.2012.659751

Table 1.

Subject demographics.

Characteristics Mean (SD) 2-Tailed t-test p values
MJBP (n = 12)
MJ (n = 20) BP (n = 11) MJBP vs. MJ MJBP vs. BP
Age 24.25 (4.29) 20.75 (2.67) 29.45 (7.19) 0.01 0.05
Age of MJ Onset 16.67 (2.61) 15.95 (1.61) NS
Age of BP Onset 14.92 (2.94) 17.36 (4.65) NS
VIQ 119.00 (11.31) 124.11 (13.36) 119.91 (9.39) NS NS
PIQ 111.36 (9.59) 115.68 (7.52) 115.45 (11.72) NS NS

Note: VIQ, verbal IQ; PIQ, performance IQ.