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. 2019 May 27;22(5):630–637. doi: 10.1093/ntr/ntz091

Table 1.

Sample Characteristics

Sample characteristics (N = 1854)
Age (n = 1854) 27.7 (4.1)
Sex (n = 1852)
 Male 976 (52.7%)
 Female 876 (47.3%)
Race (n = 1845)
 White 1403 (76.0%)
 Black 189 (10.2%)
 Other 253 (13.7%)
Ethnicity (n = 1842)
 Not Hispanic 1583 (85.9%)
 Hispanic 259 (14.1%)
Income (n = 1839)
 <$50 000 1000 (54.4%)
 ≥$50 000 839 (45.6%)
Sexual orientation (n = 1839)
 Heterosexual 1507 (81.9%)
 LGB+ 332 (18.1%)
E-cigarette user status (n = 1854)
 Susceptible never user 467 (25.2%)
 Ever user 905 (48.8%)
 Current user 482 (26.0%)