Table 3.
Number of Responses to the Vanderbilt ADHD Parent Rating Scale (VAPRS) Symptom Questions Within Each ADHD Subtype, 2014 National Survey of the Diagnosis and Treatment of ADHD and Tourette Syndromea.
| ADHD subtype | ||||||
|---|---|---|---|---|---|---|
| Vanderbilt ADHD Parent Rating Scale symptoms | Combined inattentive and hyperactive-impulsive (ADHD-C) | Predominantly inattentive (ADHD-I) | Predominantly hyperactive-impulsive (ADHD-HI) | Did not meet symptom criteria for an ADHD subtype | Does not have ADHD | |
| n (Weighted %) | n (Weighted %) | n (Weighted %) | n (Weighted %) | n (Weighted %) | ||
| Total | 538 (22.8) | 771 (27.6) | 99 (3.7) | 998 (31.9) | 376 (13.7) | |
| Inattentive symptoms | ||||||
| 1. | Does not pay attention to details or makes careless mistakes, such as in homework | 510 (95.1) | 703 (89.3) | 51 (52.1) | 303 (34.4) | 113 (24.7) |
| 2. | Had difficulty sustaining attention to tasks or activities | 513 (93.4) | 714 (92.3) | 54 (48.7) | 309 (36.7) | 94 (23.8) |
| 3. | Does not seem to listen when spoken to directly | 474 (87.5) | 510 (69.7) | 43 (51.9) | 228 (21.9) | 82 (19.4) |
| 4. | Does not follow through on instruction and fails to finish schoolwork (not due to oppositional behavior or failure to understand) | 497 (88.9) | 665 (86.2) | 19 (26.9) | 212 (25.3) | 83 (24.1) |
| 5. | Has difficulty organizing tasks and activities | 505 (91.8) | 708 (91.5) | 43 (36.1) | 285 (29.2) | 110 (30.9) |
| 6. | Avoids, dislikes, or is reluctant to engage in tasks that require sustained mental effort | 466 (86.7) | 613 (78.1) | 29 (27.8) | 237 (21.7) | 99 (29.0) |
| 7. | Loses things necessary for tasks or activities (school assignments, pencils, or books) | 450 (85.6) | 575 (76.1) | 28 (16.9) | 136 (15.5) | 84 (23.0) |
| 8. | Is easily distracted by extraneous stimuli | 525 (96.0) | 716 (90.6) | 74 (68.5) | 433 (48.5) | 134 (35.6) |
| 9. | Is forgetful in daily activities | 474 (89.2) | 613 (79.5) | 33 (36.3) | 153 (15.0) | 78 (16.3) |
| Hyperactive/impulsive symptoms | ||||||
| 10. | Fidgets with hands or feet or squirms in seat | 492 (88.1) | 335 (39.4) | 87 (90.3) | 262 (27.9) | 75 (19.1) |
| 11. | Leaves seat when remaining seated is expected | 445 (85.8) | 177 (24.1) | 68 (55.8) | 102 (12.5) | 47 (14.1) |
| 12. | Runs about or climbs excessively in situations when remaining seated is expected | 348 (71.6) | 67 (10.5) | 43 (46.1) | 38 (3.1) | 24 (5.2) |
| 13. | Has difficulty playing or engaging in leisure activities quietly | 390 (71.9) | 104 (16.2) | 58 (41.7) | 62 (7.4) | 40 (8.8) |
| 14. | Is “on the go” or often acts as if “driven by a motor” | 477 (88.9) | 230 (33.7) | 80 (83.5) | 173 (17.8) | 67 (18.3) |
| 15. | Talks too much | 482 (86.7) | 288 (37.2) | 89 (95.0) | 269 (29.7) | 104 (27.5) |
| 16. | Blurts out answers before questions have been completed | 475 (85.5) | 221 (31.4) | 78 (87.3) | 158 (15.5) | 56 (14.7) |
| 17. | Has difficulty waiting [his/her] turn | 504 (95.4) | 235 (34.3) | 85 (84.1) | 148 (18.0) | 62 (18.4) |
| 18. | Interrupts or intrudes on others (butts into conversations or games) | 504 (94.5) | 327 (47.3) | 89 (92.0) | 237 (26.4) | 90 (19.2) |
Abbreviation: ADHD, attention-deficit hyperactivity disorder.
a
Symptoms 1 to 9 assess inattention, and symptoms 10 to 18 assess hyperactivity/impulsivity.