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. Author manuscript; available in PMC: 2013 Jul 21.
Published in final edited form as: Clin Chem. 2012 Jan 24;58(4):748–756. doi: 10.1373/clinchem.2011.177881

Table 1.

Demographics and self-reported cannabis history for the 10 participants.

Participant Sex Racea Age, years BMI, kg/m2 Cannabis smoking history
Age first smoked, years Last smoked, n days before Days smoked in last 14, n Joints smoked/day, n Lifetime smoking duration, years
A M W 37 18.1 22 2 14 6 10
B M AA 26 30.6 16 3 10 2 8
C M W 45 32.0 12 1 14 5 25
D F W 27 22.3 15 1 8.5 6 6
F M W 34 23.0 16 2 10 1 10
G M W 22 22.9 15 1 14 12 5
H M AA 18 22.3 13 2 9 6 4
I M AA 41 25.5 19 3 12 6 22
K M W 22 20.9 16 4 13 2 2
L M AA 30 30.6 15 1 9 3 15
Median 28.5 23.0 15.5 2.0 11.0 5.5 9.0
Mean 30.2 24.8 15.9 2.0 11.4 4.9 10.7
SD 8.9 4.7 2.8 1.1 2.3 3.2 7.7
a

AA, African-American; W, white; BMI, body mass index.