- Sociodemographic characteristics of the children (continuous variables).
| Variables | Minimum | Maximum | Mean | SD |
|---|---|---|---|---|
| Father’s age in years | 23.0 | 90.0 | 40.3 | 7.7 |
| Mother’s age in years | 22.0 | 49.0 | 34.6 | 5.55 |
| Number of hours using an ED | 0 | 12 | 3.1 | 2.3 |
| Child age in years | 3.0 | 6.0 | 5.15 | 0.6 |
ED: electronic device, SD: standard deviation