Table 1. Sample Demographic Characteristics and DSM-IV-TR Diagnoses.
Characteristics | Primary Sample (N = 310) |
Subsamples for Logistic Regressions | ||
---|---|---|---|---|
ADHD-C (n = 98) |
ADHD-IN (n = 23) |
Non-ADHD (n = 79) |
||
Boys, n (%) | 215 (69.4) | 63 (64.3) | 18 (78.3) | 51 (64.6) |
Girls, n (%) | 95 (30.6) | 35 (35.7) | 5 (21.7) | 28 (35.4) |
Mean Age (SD) | 8.2 (1.6) | 7.9 (1.6) | 8.3 (1.5) | 8.5 (1.6) |
Mean SES (SD)a | 5.9 (1.9) | 5.5 (1.9) | 6.4 (1.6) | 6.7 (1.7) |
Ethnicity, n (%) | ||||
Non-Latino White | 185 (59.7) | 59 (60.2) | 16 (69.6) | 53 (67.1) |
African American | 91 (29.4) | 32 (32.7) | 4 (17.4) | 14 (17.7) |
Latino/Hispanic | 17 (5.5) | 2 (2.0) | 2 (2.5) | 4 (5.0) |
Other or Unknown | 17 (5.5) | 5 (5.1) | 1 (4.3) | 8 (10.1) |
DSM-IV-TR Diagnoses, n (%)b | ||||
ADHD-Combined | 106 (34.2) | 81 (82.7) | 0 | 0 |
ADHD-Inattentive | 55 (17.7) | 17 (17.3) | 23 (100) | 0 |
Conduct Disorder | 25 (8.1) | 15 (15.3) | 1 (4.3) | 0 |
Dysthymia or Major Depression | 13 (4.2) | 6 (6.1) | 2 (8.7) | 3 (3.8) |
Generalized Anxiety Disorder | 15 (4.8) | 5 (5.1) | 2 (8.7) | 3 (3.8) |
Obsessive Compulsive Disorder | 12 (3.9) | 3 (3.1) | 1 (4.3) | 4 (5.1) |
Oppositional Defiant Disorder | 109 (35.2) | 56 (57.1) | 7 (30.4) | 17 (21.5) |
Separation Anxiety | 33 (10.6) | 10 (10.2) | 2 (8.7) | 5 (6.3) |
Social Phobia/Agoraphobia | 14 (4.5) | 3 (3.1) | 3 (13.0) | 4 (5.1) |
Specific Phobia | 71 (22.9) | 24 (24.5) | 6 (26.0) | 14 (17.7) |
Tourette's or Tic Disorder | 21 (6.8) | 4 (4.1) | 1 (4.3) | 4 (5.1) |
No diagnosis, n (%) | 90 (29.0) | 0 | 0 | 44 (55.7) |
One diagnosis, n (%) | 90 (29.0) | 32 (32.7) | 11 (47.8) | 23 (29.1) |
Two or more diagnoses, n (%) | 130 (41.9) | 66 (67.7) | 12 (52.7) | 12 (15.2) |
Note: ADHD= Attention Deficit/Hyperactivity Disorder; ADHD-C = ADHD-Combined type; ADHD-IN = ADHD-Inattentive type.
Socioeconomic status (SES) scored on an adapted version of Hollingshead's (1975) scale where 1 = lowest and 9 = highest (n = 284).
Children with comorbid diagnoses were counted more than once for the different diagnostic categories.