Table 1.
Sample characteristics
| Ν (%) | |
|---|---|
| Total sample | 12,372 (100) |
| Country | |
| Germany | 2178 (17.6) |
| Greece | 1894 (15.3) |
| Iceland | 1790 (14.5) |
| Netherlands | 1176 (9.5) |
| Poland | 1849 (14.9) |
| Romania | 1612 (13.0) |
| Spain | 1873 (15.1) |
| Gender | |
| Females | 6586 (53.2) |
| Males | 5786 (46.8) |
| Age (years) | |
| 14–15.9 | 7627 (61.6) |
| 16–17.9 | 4745 (38.4) |
| Parental educational level | |
| Low/middle | 3903 (37.2) |
| High | 6603 (62.8) |
| Parental family status | |
| Married/ living together | 9662 (80.1) |
| Divorced/ separated/ single-parent family | 2399 (19.9) |
| Age at first starting to use the Internet: mean years (SD) | 9.6 (2.5) |
| Daily use of SNS | |
| No use/< 2 h | 7411 (63.6) |
| ≥ 2 h | 4250 (36.4) |
| Daily Internet use | |
| No use/< 2 h | 5635 (49.0) |
| ≥ 2 h | 5874 (51.0) |
| Parents allow me to visit every site | |
| Never/ seldom | 1186 (10.3) |
| Sometimes | 1351 (11.8) |
| Often/ very often/ my parents do not know which websites I visit | 8928 (77.9) |
| How often parents say to stay on Internet a certain time | |
| Never/ seldom | 6652 (54.1) |
| Sometimes | 3031 (24.6) |
| Often/ very often | 2621 (21.3) |
| Internalizing Problems score, mean (SD) | 10.9 (8.6) |
| Externalizing Problems score, mean (SD) | 11.5 (8.5) |