Table 1.
Mean minimum age and standard deviation (SD) of index ADHD and Asthma diagnoses by sex
| Sample | Group | Mean age (SD) |
|
|---|---|---|---|
| Males | Females | ||
| Whole sample | ADHD only | 13 (10) | 18 (15) |
| Asthma only | 26 (22) | 32 (22) | |
| Both Asthma and ADHD | 6 (8) | 11 (13) | |
| Whole sample <22 years | ADHD only | 9 (6) | 11 (4) |
| Asthma only | 8 (6) | 11 (6) | |
| Both Asthma and ADHD | 4 (5) | 6 (5) | |
| Cohort <5 years (1993–1996) | ADHD only | 3 (1) | 3 (1) |
| Asthma only | 2 (1) | 2 (1) | |
| Both ADHD and Asthma* | 1.7 (1) | 2 (1) | |
| Cohort <22 years | ADHD only | 8 (3) | 9 (4) |
| Asthma only | 5 (4) | 7 (5) | |
| Both ADHD and Asthma* | 1.7 (1) | 2 (1) | |
*
same result for Cohort <5 years and Cohort <22 years.
ADHD: attention deficit hyperactivity disorder