Table 1.

Baseline clinical and usual consumption trends of the study participants

	Participants (n = 30)
Age, yr	38 ± 2
Size, cm	181 ± 1
Weight, kg	88 ± 4
BMI, kg/m2	26 ± 1
Past history of tobacco smoking (pack-years)	18 ± 2
Years of tobacco abstinence, yr	3.1 ± 0.3
E-cigarette consumption, month	38 ± 3
Direct inhale, %	83 ± 7
Usual e-liquid nicotine strength, mg/mL	2.9 ± 0.3
Usual e-liquid consumption per day, mL	17 ± 2
Usual e-liquid PG/GLY ratio, %	60 ± 8
Usual e-cigarette resistance, Ω	0.3 ± 0.03
Usual e-cigarette power, W	53 ± 5

BMI, body mass index; e-cigarette, electronic cigarette; PG, propylene glycol; GLY, glycerol.