Table 1.
Sample Characteristics of Youth in the United States (Monitoring the Future, 2018–2019).
| Unweighted n | Weighted % | |
|---|---|---|
| Total | 42,980 | 100.0 |
| Race/ethnicity | ||
| Non-Hispanic Asian American (AA) | 2,198 | 4.7 |
| Non-Hispanic Native Hawaiian or Pacific Islander (NHPI) | 212 | 0.5 |
| Non-Hispanic Black or African American (Black) | 4,535 | 11.4 |
| Hispanic or Latino | 10,343 | 25.2 |
| Non-Hispanic White (White) | 21,945 | 49.1 |
| Non-Hispanic American Indian or Alaskan Native (AIAN) | 496 | 1.3 |
| Multiracial | 3,251 | 7.8 |
| Grade | ||
| 8th | 12,874 | 30.7 |
| 10th | 13,564 | 33.4 |
| 12th | 16,542 | 35.9 |
| Sex | ||
| Female | 21,388 | 51.4 |
| Male | 20,684 | 48.6 |
| Missing | 908 | |
| Mother’s Education Level | ||
| Less than high school | 5,002 | 14.2 |
| High school graduate | 7,351 | 19.7 |
| Some college | 6,536 | 17.1 |
| College graduate | 19,828 | 49.0 |
| Missing | 4,263 | |
| Region | ||
| Midwest | 10,291 | 22.6 |
| Northeast | 9,813 | 19.8 |
| South | 14,017 | 35.3 |
| West | 8,859 | 22.2 |
| Current E-cigarette Use | ||
| No (use on 0 days of the past 30 days) | 33,954 | 80.2 |
| Yes (use on at least 1 day of the past 30 days) | 9,026 | 19.8 |
| Regular e-cigarette Use | ||
| No (use on 0–9 days of the past 30 days) | 38,875 | 91.2 |
| Yes (use on at least 10 days of the past 30 days) | 4,105 | 8.8 |