Table 1.
Demographics by group category
| Control |
E-cigarette Users |
Overall |
P Value | |
|---|---|---|---|---|
| n = 13 (%) | n = 20 (%) | n = 33 (%) | ||
| Gender | ||||
| Female | 10 (77) | 1 (5) | 11 (33) | <0.01 |
| Male | 3 (23) | 19 (95) | 22 (67) | |
| Race | ||||
| African American | 1 (8) | 0 (0) | 1 (3) | 0.41 |
| Asian | 7 (54) | 11 (55) | 18 (55) | |
| Caucasian | 5 (38) | 7 (35) | 12 (36) | |
| Mixed | 0 (0) | 2 (10) | 2 (6) | |
| Ethnicity | ||||
| Caucasian, Non-Hispanic | 1 (20) | 5 (71) | 6 (50) | 0.08 |
| Caucasian, Hispanic | 4 (80) | 2 (29) | 6 (50) | |
| Total | 5 | 7 | 12 | |
| Age | ||||
| Mean (range) | 21 (18–28) | 21 (18–26) | 21 (18–28) | 0.41 |
A χ2 test was used to test the statistical differences between both controls and e-cigarette users. Caucasian, Hispanic includes those that self-identify as Hispanic. Mixed race includes a variety of mixed racial composition. The difference in age was calculated using an unpaired t test between the two groups.