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Table 1 Summary of study demographics and FTCD scores by study product sequence and overall

From: Nicotine delivery, tolerability and reduction of smoking urge in smokers following short-term use of one brand of electronic cigarettes

Trait/Test Category/Statistic Study product sequence
ABFCED (N = 4) BCADFE (N = 4) CDBEAF (N = 4) DECFBA (N = 4) EFDACB (N = 4) FAEBDC (N = 4) Overall (N = 24)
Sex Female 2 (50 %) 2 (50 %) 2 (50 %) 2 (50 %) 2 (50 %) 2 (50 %) 12 (50 %)
Male 2 (50 %) 2 (50 %) 2 (50 %) 2 (50 %) 2 (50 %) 2 (50 %) 12 (50 %)
Race American Indian/Alaska Native 1 (25 %) 0 (0 %) 0 (0 %) 0 (0 %) 0 (0 %) 0 (0 %) 1 (4 %)
Black or African American 0 (0 %) 1 (25 %) 0 (0 %) 2 (50 %) 0 (0 %) 0 (0 %) 3 (13 %)
White 3 (75 %) 3 (75 %) 4 (100 %) 2 (50 %) 4 (100 %) 4 (100 %) 20 (83 %)
Ethnicity Hispanic or Latino 1 (25 %) 0 (0 %) 0 (0 %) 0 (0 %) 0 (0 %) 0 (0 %) 1 (4 %)
Not Hispanic or Latino 3 (75 %) 4 (100 %) 4 (100 %) 4 (100 %) 4 (100 %) 4 (100 %) 23 (96 %)
Age (yrs) Mean 38.3 40.5 38.3 35.3 34.0 45.8 38.7
SD 12.04 15.70 15.44 4.03 9.49 6.13 10.77
Height (cm) Mean 167.25 175.75 168.75 172.75 167.00 171.75 170.54
SD 3.403 10.243 6.131 3.775 8.206 9.811 7.331
Weight (kg) Mean 84.1 79.2 70.8 74.7 80.0 83.9 78.8
SD 16.52 25.89 6.15 13.13 12.93 14.14 14.91
BMI (kg/m2) Mean 30.050 25.198 24.798 25.015 28.948 28.375 27.064
SD 6.0439 5.7622 0.6854 3.8464 6.3810 4.3255 4.8512
Fagerström Test for Cigarette Dependence Score Mean 4.0 5.3 5.0 6.0 4.0 7.8 5.3
SD 2.16 0.5 1.41 2.16 2.16 2.63 2.18
Median 3.5 5.0 4.5 5.5 4.5 8.5 5.0
Minimum 2 5 4 4 1 4 1
Maximum 7 6 7 9 6 10 10