Skip to main content
. 2018 Jan 11;13(1):e0189928. doi: 10.1371/journal.pone.0189928

Table 1. Participant characteristics.

Phone Online
n = 1,151 n = 1,561
Weighted % %
Age (years)
    18–25 14.2 19.2
    26–34 20.4 41.9
    35–44 17.8 20.9
    45–54 25.0 10.9
    55–64 14.9 6.4
    65+ 7.6 0.9
    Mean (SD) 43 (15) 35 (13)
Male 50.7 49.2
Gay, lesbian, or bisexual 4.5 13.0
Race
    White 66.7 85.2
    Black 21.9 7.2
    Native American 2.9 1.1
    Asian 0.9 3.5
    Other 7.6 3.1
Hispanic 10.1 8.0
Lower numeracy 38.3 10.9
Education
    < High school 16.1 1.6
    High school graduate or equivalent 38.4 16.5
    Some college 25.9 34.5
    Associate’s degree 10.2 13.2
    College degree 7.2 27.8
    Master’s degree 1.6 4.9
    Professional or doctoral degree 0.5 1.5
Income, annual
    $0 - $24,999 41.0 25.1
    $25,000 - $49,999 32.9 35.9
    $50,000 - $74,999 13.4 23.1
    $75,000 - $99,999 5.2 9.9
    $100,000 or more 7.4 5.9
Poor mental health 21.3 10.2
Currently smoked “light” cigarettes 37.1 44.2
Smoking frequency
    Some days 28.2 40.9
    Every day 71.8 59.1
Intent to quit within 6 months 48.2 45.2
E-cigarette use (ever use) 69.1 76.0

Note. Phone survey % weighted. Missing data ranged from 0% to 5%.