Table 1.
Sample characteristics (N = 150,395)
| % (n) | % missing (n) | |
|---|---|---|
| Prescription stimulant therapy for ADHD | ||
| No stimulant therapy for ADHD | 91.8 (123,582) | 10.4 (15,876) |
| Stimulant therapy for ADHD | 8.2 (10,937) | |
| Non-stimulant therapy for ADHD | ||
| No non-stimulant therapy for ADHD | 94.3 (126,378) | 10.8 (16,502) |
| Non-stimulant therapy for ADHD | 5.7 (7515) | |
| Sex | ||
| Male | 49.0 (70,332) | 4.9 (7266) |
| Female | 51.0 (72,797) | |
| Race/ethnicity | ||
| White | 55.0 (83,061) | 0.0 (0) |
| Black | 11.6 (17,225) | |
| Hispanic | 15.6 (22,926) | |
| Other | 17.8 (27,183) | |
| Grade level | ||
| 10th | 52.1 (78,361) | 0.0 (0) |
| 12th | 47.9 (72,034) | |
| GPA | ||
| B- or higher | 79.1 (114,378) | 4.6 (6710) |
| C+ or lower | 20.9 (29,307) | |
| Skipped school | ||
| No | 77.7 (107,725) | 8.0 (11,999) |
| Yes | 22.3 (30,671) | |
| Parents level of education | ||
| Less than a college degree | 45.8 (61,447) | 7.8 (11,265) |
| College degree or higher | 54.2 (77,683) | |
| Urbanicity | ||
| Large MSA (urban) | 32.0 (55,053) | 0.0 (0) |
| Other MSA (suburban) | 47.6 (66,145) | |
| Non-MSA (rural) | 20.5 (29,197) | |
| US region | ||
| Northeast | 18.5 (30,834) | 0.0 (0) |
| Midwest | 23.6 (35,949) | |
| South | 35.5 (51,035) | |
| West | 22.4 (32,577) | |
| Cohort year | ||
| 2005–2009 | 34.6 (51,993) | 0.0 (0) |
| 2010–2014 | 31.8 (47,844) | |
| 2015–2020 | 33.6 (50,558) | |
| Cigarette use (past 30 days) | ||
| No | 87.5 (128,022) | 3.0 (4393) |
| Yes | 12.5 (17,980) | |
| Binge drinking (past two weeks) | ||
| No | 82.3 (113,686) | 7.7 (11,499) |
| Yes | 17.7 (25,210) | |
| Marijuana use (past year) | ||
| No | 81.6 (116,897) | 4.4 (6461) |
| Yes | 18.4 (27,037) |
Note: ADHD = attention-deficit/hyperactivity disorder; GPA = grade point average; MSA = metropolitan statistical area. Unweight sample sizes are provided. Percentages are weighted.