Table 1 Number (%) of boys in each study cohort
MPH < 12 months | MPH ≥ 12 months | ADHD control | Non-ADHD control | Total (n) | |
|---|---|---|---|---|---|
Boys 6–10 years (n / %) | 36 (0.85) | 22 (0.52) | 132 (3.11) | 2003 (47.20) | 2193 |
Boys 11–15 years (n / %) | 29 (0.68) | 31 (0.73) | 188 (4.43) | 1803 (42.48) | 2051 |
Total (n / %) | 65 (1.53) | 53 (1.25) | 320 (7.54) | 3806 (89.68) | 4244 |