Table 1.
Preschool Attention-Deficit/Hyperactivity Disorder (ADHD) Treatment Study (PATS) Medication Follow-Up: Sample Characteristics at Years 3 and 6
| Year 3 (n=206) | Year 6 (n=179) | |||
|---|---|---|---|---|
| Age, mean (SD) | 7.4 | (0.97) | 10.4 | (0.99) |
| Gender, n (%) | ||||
| Male | 154 | (74.8) | 133 | (74.3) |
| Female | 52 | (25.2) | 46 | (25.7) |
| Ethnicity, n (%) | ||||
| Hispanic or Latino | 40 | (19.4) | 30 | (16.8) |
| Non-Hispanic or -Latino | 166 | 80.6 | 149 | (83.2) |
| Race,a n (%) | ||||
| White | 159 | (77.2) | 134 | (74.9) |
| Black or African American | 44 | (21.4) | 37 | (20.7) |
| American Indian/Alaskan Native | 14 | (6.8) | 14 | (7.8) |
| Asian | 3 | (1.5) | 5 | (2.8) |
| Native Hawaiian/Pacific Islander | 2 | (1.0) | 0 | (0) |
| Other | 17 | (8.3) | 17 | (9.5) |
| Public assistance, n (%) | 23 | (11.2) | 10 | (5.6) |
| Parent(s) with college or higher degree,b n (%) | 141 | (69.5) | 132 | (75.4) |
| Family composition, n (%) | ||||
| 2 parental figures | 159 | (77.2) | 134 | (74.9) |
| 1 parental figure | 45 | (21.8) | 41 | (22.9) |
| N/A -missing | 2 | (1.0) | 4 | (2.2) |
| C-GAS, c mean (SD) | 53.7 | (10.1) | 56.5 | (10.07) |
|
Comorbidity,d n(%) ODD/CD |
85 | (41.7) | 60 | (33.7) |
| Anxiety disordere | 31 | (15.2) | 37 | (20.1) |
| Mood disorder | 18 | (8.8) | 15 | (8.4) |
| PDD | 12 | (5.9) | 16 | (6.0) |
| Psychotic disorder | 1 | (0.5) | 2 | (1.1) |
Note: CD = conduct disorder; CGAS = Children’s Global Assessment Scale; ODD = oppositional defiant disorder; PDD = pervasive developmental disorder.
a
Some participants endorsed more than one race
b
Three missing at year 3 and 4 at year 6
c
2 missing at year 3 and 1 at year 6
d
Comorbidity data were missing for 2 children at year 3 and 1 child at year 6
e
Excluding specific phobia