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Usage during the week and the weekend among age categories of the ADHD group.
| Age category | Mean number of hours during the week | Mean number of hours during the weekend | p-value with respect to the 10–12 years-old age category |
|---|---|---|---|
| 4–6 years-old | 1.54 | 2.32 | 0.005 for the week and 0.000 for the weekend |
| 7–9 years-old | 1.95 | 2.95 | 0.027 |
| 10–12 years-old | 2.69 | 3.79 | NA |
Statistically significant p ≤ 0.05.
