Table 1

Study population characteristics (n=1449)

 UnweightedWeighted to Current Population Survey
Mean (SD)%Mean (SE)%
Age (years)49.5 (16.9)46.6 (0.6)
Sex
 Male48.749.5
 Female51.350.4
Race/ethnicity
 Non-Hispanic Caucasian76.669.4
 African-American7.510.6
 Hispanic10.013.9
 Other5.96.0
Education
 Completed high school or below33.740.4
 Some college31.929.6
 College graduate or higher35.530.0
Annual household income
 <$25 00015.716.4
 $25 000–$49 99923.722.9
 ≥$50 00060.760.7
Health status (scale of 1–6 from very poor to excellent)*4.3 (0.9)4.3 (0.0)
Smoking status
 Non-smoker55.855.9
 Former29.127.1
 Current15.117.0
Tried e-cigarettes at least once
 No87.986.4
 Yes but not in the past 30 days8.19.2
 Yes and in the past 30 days3.94.4
Observed others vaping (scale of 1–4 from never to five times or more in the past 30 days)1.2 (0.4)1.3 (0.0)
  • *Six missing cases.