| Italy | |||
| Median | Mean | var | |
| Gender | 7.00 | 5.60 | 6.70 |
| Age | 8.00 | 7.01 | 4.68 |
| Race | 5.00 | 5.21 | 4.25 |
| Education | 5.00 | 5.45 | 3.91 |
| Behavioral score | 25.00 | 23.27 | 48.93 |