Table 1. Study population characteristics
Nonuser Control (n = 9)e‐cigarette user (n = 9)T‐cigarette smoker (n = 9)P value
Age (years)28 ± 1.629 ± 1.527.1 ± 1.60.80
Sex (M/F)6/37/27/20.82
Ethnicity
African American010
Asian211
Hispanic111
White (non‐Hispanic)667
Cotinine (ng/mL)0120.4 ± 31.6192.0 ± 55.8 0.18
Present e‐cigarette use
Minutes/day85 ± 30 (20–300)NANA
Duration (years)2.1 ± 1.0 (1–4)NANA
Present T‐cigarette use
Pack‐YearsNANA7.3 ± 3.2 (0.7–30)
SBP (mmHg)112.7 ± 4.5112.6 ± 4.4120.3 ± 5.80.47
DBP (mmHg)70.4 ± 2.971.3 ± 3.073.6 ± 3.90.77
MAP (mmHg)84.4 ± 3.384.9 ± 3.387.7 ± 4.30.85
HR (bpm)66.5 ± 4.261.1 ± 2.664.5 ± 3.40.55
Glucose (mg/dL)85.9 ± 1.987.8 ± 2.988.7 ± 3.00.75
Fibrinogen (mg/dL)239.7 ± 16.3262.8 ± 10.7247.6 ± 11.9 0.67
LDL‐Ox (units)2725 ± 3342365 ± 1312801 ± 3700.91
HOI (units)1.36 ± 0.170.99 ± 0.251.24 ± 0.170.62
CRP (mg/dL)0.31 ± 0.010.30 ± 0.000.41 ± 0.100.32
  • bpm, beats per minute; CRP, C‐reactive protein; DBP, diastolic blood pressure; HOI, HDL antioxidant index; HR, heart rate; LDL‐Ox, LDL oxidizability; MAP, mean arterial pressure; SBP, systolic blood pressure; T‐Cigarette, tobacco cigarette.