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Table 1 Sociodemographic and substance use characteristics of total sample of young adults who vape, aged 18–25 (N = 62)a

From: Characterizing symptoms of e-cigarette dependence: a qualitative study of young adults

Characteristic N (%) or M (SD)
Gender, N (%)
 Male 49 (79.0%)
 Female 13 (21.0%)
Race, N (%)
 American Indian or Alaska Native 2 (3.4%)
 Asian 10 (16.9%)
 Black or African American 5 (8.5%)
 Native Hawaiian or Pacific Islander 2 (3.4%)
 White 35 (59.3%)
 Multiethnic or Multiracial 7 (11.9%)
 Other 8 (13.6%)
Ethnicity, N (%)
 Hispanic/Latino 16 (26.7%)
 Non-Hispanic/Latino 44 (73.3%)
Age, M (SD) 20.9 (1.3)
Currently enrolled in higher education, N (%)
 Yes 33 (55.0%)
 No 24 (40.0%)
 Don’t know 3 (5.0%)
Current subjective financial status, N (%)
 Don’t meet basic expenses 1 (1.7%)
 Just meet basic expenses 13 (21.7%)
 Meets needs with a little left 24 (40.0%)
 Live comfortably 22 (36.7%)
E-cigarette/combustible cigarette user, N (%)
 Sole e-cigarette user 31 (50.0%)
 Dual e-cigarette/combustible cigarette user 30 (48.4%)
Past 30-day combustible cigarette use, N (%)
 0 days 12 (28.6%)
 1–5 days 18 (42.9%)
 6–19 days 8 (19.0%)
 20 or more days 4 (9.5%)
Past 30-day number of days vaped nicotine product, N (%)
 0–5 days 7 (11.7%)
 6–19 days 12 (20.0%)
 20–29 days 13 (21.7%)
 All 30 days 28 (46.7%)
Ever tried to stop or cut down use of electronic nicotine devices, N (%)
 No 15 (25.0%)
 Yes 45 (75.0%)
  No nicotine dependence symptomsb 6 (13.3%)
  Any nicotine dependence symptomsb 39 (86.7%)
Primary Device Usedc  
 JUUL 21 (33.9%)
 Other pod-based product 14 (22.6%)
 Mod 16 (25.8%)
 Missingd 11 (17.7%)
  1. aAvailable data Ns for denominator ranged from 45 to 62; bBased on the Hooked on Nicotine Checklist, administered only among those who answered “yes” to having ever tried to stop or cut down use of e-cigarettes; cBased on photo of device the participant brought to interviews; dNo device was brought to interview