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Table 2 Summary of study demographics and FTCD scores by group and overall

From: Reductions in biomarkers of exposure, impacts on smoking urge and assessment of product use and tolerability in adult smokers following partial or complete substitution of cigarettes with electronic cigarettes

  Exclusive e-Cigarette use groups Dual use groups Nicotine cessation N = 15 Overall N = 105
Trait/test Tobacco rechargeable
N = 15
Cherry rechargeable N = 15 Cherry disposable N = 15 Tobacco rechargeable N = 15 Cherry rechargeable N = 15 Cherry disposable N = 15
Gender
 Female 6 (40 %) 3 (20 %) 9 (60 %) 6 (40 %) 3 (20 %) 7 (47 %) 3 (20 %) 37 (35 %)
 Male 9 (60 %) 12 (80 %) 6 (40 %) 9 (60 %) 12 (80 %) 8 (53 %) 12 (80 %) 68 (65 %)
Race
 American Indian/Alaska Native 0 (0 %) 0 (0 %) 0 (0 %) 0 (0 %) 0 (0 %) 1 (7 %) 0 (0 %) 1 (1 %)
 Black or African American 2 (13 %) 6 (40 %) 1 (7 %) 2 (13 %) 4 (27 %) 1 (7 %) 1 (7 %) 17 (16 %)
 Black or African American, American Indian/Alaska 0 (0 %) 0 (0 %) 0 (0 %) 0 (0 %) 0 (0 %) 0 (0 %) 1 (7 %) 1 (1 %)
 White 13 (87 %) 9 (60 %) 14 (93 %) 13 (87 %) 11 (73 %) 13 (87 %) 13 (87 %) 86 (82 %)
Age (years)
 Mean 37.1 40.1 33.9 36.6 36.8 39.3 41.1 37.8
 SD 11.4 10.6 11.8 10.8 11.6 10.6 11.2 11.1
BMI (kg/m2)
 Mean 28.2 26.2 28.7 28.9 27.2 27.8 27.8 27.8
 SD 5.5 6.5 5.7 5.5 4.7 5.1 4.9 5.4
Cigarettes per Day
 Mean 18.4 17.3 15.4 18.7 20.5 21.1 20.4 18.8
 SD 7.1 6.2 3.3 6.6 7.3 5.8 7.5 6.5
Years Smoked
 Mean 19.2 20.3 15.0 19.3 14.6 21.7 21.3 18.8
 SD 12.9 10.5 10.9 10.1 11.6 8.7 10.6 10.8
Usual Brand Cigarette Flavor
 Menthol 6 (40 %) 7 (47 %) 8 (53 %) 3 (20 %) 7 (47 %) 5 (33 %) 3 (20 %) 39 (37 %)
 Non-Menthol 9 (60 %) 8 (53 %) 7 (47 %) 12 (80 %) 8 (53 %) 10 (67 %) 12 (80 %) 66 (63 %)
FTCD Score
 Mean 5.3 5.1 5.3 5.5 5.7 5.2 5.6 5.4
 SD 1.5 2.0 1.5 2.0 1.1 1.7 2.0 1.7