Table 1 Demographic data of ADHD children group (N = 549) and control group (N = 3,564)
From: The associations between ADHD and asthma in Korean children
Variables | Control group (%) | ADHD group (%) | F | p value |
|---|---|---|---|---|
Age a | 7.78 ± 1.17 | 7.83 ± 1.20 | 4.476 | .342 |
Gender b | Â | Â | 1,131.268 | .000 |
 Male | 1,704(47.9%) | 413(75.2%) |  |  |
 Female | 1,857(52.1%) | 136(24.8%) |  |  |