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. Author manuscript; available in PMC: 2022 Nov 1.
Published in final edited form as: Addict Behav. 2021 Jul 1;122:107037. doi: 10.1016/j.addbeh.2021.107037

Table 1.

Demographic and tobacco-related measures (N=109)

Demographic measures
Age 44.5 (12.8)
Male, n (%) 45 (41.3)
African American, n (%) 57 (52.3)
Latinx, n (%) 52 (47.7)
Income Level, n (%) at or below 200% FPL 80 (73.4)
Education Level, n (%) high school diploma or less 61 (60.0)
Tobacco-related measures
Baseline smoking within 30 mins of waking, n (%) 78 (71.6)
Baseline Cigarette dependence, values range from 15–76 48.9 (14.5)
aBaseline Cotinine, ng/mg 1222.1 (1420.5)
aBaseline NNAL, pg/mg 128.9 (114.9)
Baseline Carbon Monoxide, parts per million 17.7 (9.2)
Baseline cigarettes in past week 82.4 (49.8)
Baseline days smoked in past week 6.8 (0.5)
Baseline cigarettes per day 12.0 (7.1)
Week 6 cigarettes smoked in past week 15.5 (29.7)
Week 6 days smoked in past week 2.4 (2.8)
Week 6 cigarettes per day 2.8 (4.3)
JUUL pods used during 6-week study 21.4 (17.7)
JUUL pods used per day 0.51 (0.42)

Note: All measures are reported as mean (SD) unless otherwise specified.

a

Values were creatinine-adjusted.