TABLE 1.
—Prevalence of Parent-Reported Attention Deficit–Hyperactivity Disorder (ADHD) Diagnosis and Parent-Reported Current Use of ADHD Medication
| Children Previously Diagnosed With ADHD | Children Currently Taking ADHD Medication | |||||||||||
| Children in Sample | ||||||||||||
| Grouping | N | % of Total | N | Prevalence, % | 95% CI | Adjusted Prevalence Ratioa | 95% CI | N | Prevalence, % | 95% CI | Adjusted Prevalence Ratioa | 95% CI |
| Total sample | 6099 | 100.0 | 607 | 10.0 | (9.2, 10.7) | 434 | 7.1 | (6.5, 7.8) | ||||
| Study year | ||||||||||||
| 1 | 3012 | 49.4 | 307 | 10.1 | (9.2, 11.3) | 205 | 6.8 | (6.0, 7.8) | ||||
| 2 | 3087 | 50.6 | 300 | 9.7 | (8.7, 10.8) | 229 | 7.4 | (6.5, 8.4) | ||||
| Sex | ||||||||||||
| Girls | 2951 | 48.4 | 140 | 4.7 | (4.0, 5.6) | 1.0 | 92 | 3.1 | (2.5, 3.8) | 1.0 | ||
| Boys | 3148 | 51.6 | 467 | 14.8 | (13.6, 16.1) | 3.1 | (2.6, 3.7) | 342 | 10.9 | (9.8, 12.0) | 3.5 | (2.8, 4.3) |
| Race/ethnicity | ||||||||||||
| White | 4437 | 72.7 | 479 | 10.8 | (9.9, 11.7) | 1.0 | 364 | 8.2 | (7.4, 9.1) | 1.0 | ||
| Black | 1208 | 19.8 | 110 | 9.1 | (7.6, 10.9) | 0.9 | (0.7, 1.1) | 62 | 5.1 | (4.0, 6.5) | 0.7 | (0.5, 0.8) |
| Hispanic | 376 | 6.2 | 15 | 4.0 | (2.4, 6.6) | 0.4 | (0.2, 0.6) | 8 | 2.1 | (1.1, 4.2) | 0.3 | (0.1, 0.5) |
| Other | 78 | 1.3 | 3 | 3.9 | (1.3, 11.7) | 0.4 | (0.1, 1.2) | 0 | 0.0 | . . . | 0.0 | . . . |
| Grade | ||||||||||||
| 1 | 1425 | 23.4 | 93 | 6.5 | (5.6, 7.9) | 1.0 | 62 | 4.4 | (3.4, 5.5) | 1.0 | ||
| 2 | 1367 | 22.4 | 112 | 8.2 | (6.9, 9.8) | 1.2 | (1.0, 1.6) | 81 | 5.9 | (4.8, 7.3) | 1.3 | (1.0, 1.8) |
| 3 | 1222 | 20.0 | 131 | 10.7 | (9.1, 12.6) | 1.6 | (1.2, 2.0) | 97 | 7.9 | (6.6, 9.6) | 1.7 | (1.3, 2.4) |
| 4 | 1140 | 18.7 | 149 | 13.1 | (11.3, 15.2) | 2.0 | (1.6, 2.5) | 107 | 9.4 | (7.8, 11.2) | 2.1 | (1.6, 2.8) |
| 5 | 945 | 15.5 | 122 | 12.9 | (10.9, 15.2) | 1.9 | (1.5, 2.5) | 87 | 9.2 | (7.5, 11.2) | 2.0 | (1.5, 2.8) |
Note. CI = confidence interval.
aPrevalence ratios were adjusted for sex, grade, and race/ethnicity.