From: The nonmedical use of prescription ADHD medications: results from a national Internet panel
 | Sample n | Sample Percent | Weighted Percenta | SE |
---|---|---|---|---|
Age | Â | Â | Â | Â |
   18–25 | 3,307 | 76.96 | 24.19 | 1.10 |
   26–49 | 990 | 23.04 | 75.81 | 1.10 |
Sex | Â | Â | Â | Â |
   Male | 1,857 | 43.22 | 49.46 | 1.95 |
   Female | 2,440 | 56.78 | 50.54 | 1.95 |
Race/ethnicity | Â | Â | Â | Â |
   White, not Hispanic | 3,294 | 76.66 | 65.59 | 1.95 |
   Black, not Hispanic | 278 | 6.47 | 12.28 | 1.23 |
   Other, not Hispanic | 354 | 8.24 | 6.75 | 1.04 |
   Hispanic | 371 | 8.63 | 15.37 | 1.69 |
Education | Â | Â | Â | Â |
   Some high school | 399 | 9.29 | 16.55 | 2.24 |
   High school graduate | 952 | 22.15 | 31.06 | 1.70 |
   Some college | 1,966 | 45.75 | 26.86 | 1.43 |
   College graduate | 980 | 22.81 | 25.53 | 1.47 |
Student status (ages 18–25) |  |  |  |  |
   Student | 1,646 | 49.77 | 39.50 | 1.58 |
   Nonstudent | 1,661 | 50.23 | 60.50 | 1.58 |
Insurance | Â | Â | Â | Â |
   Private/public | 3,351 | 79.26 | 75.71 | 2.01 |
   None | 877 | 20.74 | 24.29 | 2.01 |
ADHD status | Â | Â | Â | Â |
   No lifetime diagnosis | 4,069 | 94.69 | 96.85 | 0.40 |
   Lifetime diagnosis, no medications in past year | 134 | 3.12 | 1.67 | 0.28 |
   Medications in past yearb | 90 | 2.09 | 1.41 | 0.28 |