Table I.
Clinical characteristics of the CITU cohort
| Never users | Combustible cigarette users | E-cig users |
Pod users |
p-value | |||
|---|---|---|---|---|---|---|---|
| Sole users | Dual users | Sole users | Dual users | ||||
|
n = 104 |
n = 290 |
n = 42 |
n = 47 |
n = 23 |
n = 19 |
||
| Age, years | 29 ± 6 | 33 ± 7 | 28 ± 6 | 33 ±7 | 26 ±7 | 24 ± 5 | 0.0000 |
| Female sex, n (%) | 53 (51 %) | 126 (44%) | 11 (26%) | 22 (47%) | 13 (57%) | 10 (52%) | 0.092 |
| Race (%) | 0.000 | ||||||
| American Indian | 0% | 1% | 2% | 0% | 0% | 0% | |
| Asian | 12% | 2% | 7% | 0% | 22% | 16% | |
| Black/African American | 38% | 52% | 10% | 48% | 17% | 16% | |
| White/Caucasian | 40% | 39% | 67% | 46% | 44% | 63% | |
| Other | 10% | 6% | 14% | 6% | 17% | 5% | |
| Ethnicity (%) | 0.790 | ||||||
| Hispanic | 8% | 8% | 10% | 9% | 17% | 11% | |
| Non-Hispanic | 92% | 92% | 90% | 91% | 83% | 89% | |
| Urinary cotinine (mg/dL) | 3 ± 3 | 927 ± 900 | 686 ± 799 | 851 ± 726 | 970 ± 970 | 508 ± 440 | 0.0000 |
Results expressed as mean ± SD or percentage as appropriate.
CITU, Cardiovascular Injury due to Tobacco Use (CITU) study.