Table 2.
Bivariate Correlates of Stimulant Use among Children with ADHD (N=11,048)
| N | Annualized N (Millions) | % Using Stimulants | p-Value* | |
|---|---|---|---|---|
| Sociodemographic characteristics | ||||
| Age (years) | ||||
| 2–6 | 1,474 | 1.5 | 56 | <.01 |
| 7–11 | 4,664 | 5.5 | 42 | |
| 12–17 | 4,910 | 5.6 | 27 | |
| Sex | ||||
| Male | 3,174 | 3.6 | 38 | .21 |
| Female | 7,874 | 8.9 | 33 | |
| Race | ||||
| White | 7,742 | 10.2 | 37 | .05 |
| Black | 1,538 | 1.3 | 39 | |
| Hispanic | 1,621 | 0.9 | 29 | |
| Other | 147 | 0.2 | 42 | |
| Insurance status | ||||
| Private | 6,742 | 9.1 | 37 | .76 |
| Public | 4,057 | 3.3 | 37 | |
| None | 249 | 0.2 | 32 | |
| Metropolitan status | ||||
| No | 2,362 | 2.4 | 32 | <.01 |
| Yes | 8,686 | 10.1 | 38 | |
| Region | ||||
| Northeast | 2,088 | 2.4 | 35 | <.01 |
| Midwest | 1,916 | 2.3 | 41 | |
| South | 5,801 | 6.7 | 35 | |
| West | 1,243 | 1.2 | 45 | |
| Health characteristics | ||||
| Physical health | ||||
| Excellent | 5,947 | 7.2 | 45 | <.01 |
| Fair | 4,604 | 4.9 | 27 | |
| Poor | 497 | 0.5 | 13 | |
| Mental health | ||||
| Excellent | 4,471 | 5.4 | 45 | <.01 |
| Fair | 5,933 | 6.5 | 31 | |
| Poor | 644 | 0.6 | 19 | |
| Other mental illness | ||||
| No | 8,636 | 10.0 | 39 | .07 |
| Yes | 2,412 | 2.6 | 28 | |
| Seen a mental health professional | ||||
| No | 5,375 | 6.1 | 43 | <.01 |
| Yes | 5,673 | 6.5 | 32 | |
| Family characteristics | ||||
| Mother's education, years | ||||
| Less than high school diploma | 2,294 | 2.0 | 36 | .74 |
| High school diploma | 2,949 | 3.0 | 36 | |
| Some college or more | 5,805 | 7.5 | 38 | |
| Father's education, years | ||||
| Less than high school diploma | 1,180 | 1.1 | 33 | .71 |
| High school diploma | 2,025 | 2.4 | 38 | |
| Some college or more | 3,357 | 4.6 | 39 | |
| Unknown | 22 | 0.0 | 41 | |
| Number of additional children | ||||
| None | 4,885 | 6.1 | 31 | <.01 |
| One | 4,125 | 4.7 | 40 | |
| Two or more | 2,038 | 1.8 | 47 | |
| Nonparental adults in household | ||||
| No | 7,700 | 8.6 | 38 | <.01 |
| Yes | 3,348 | 4.0 | 34 | |
| Family types | ||||
| Dual-parent | 6,584 | 8.1 | 38 | .22 |
| Single-mother | 4,464 | 4.5 | 35 | |
| Income as % of federal poverty level | ||||
| <125% | 3,120 | 2.3 | 35 | <.01 |
| 125%–400% | 3,956 | 5.2 | 35 | |
| 400% or more | 2,448 | 3.3 | 37 | |
| Unknown | 1,524 | 1.7 | 43 | |
*
All comparisons performed using population weights.