| 2004 (n = 2435) | 2006 (n = 1971) | 2009 (n = 1934) | 2011 (n = 2318) | 2015 (n = 2461) | Time trend p value |
Watching TV |
|
|
|
|
|
|
In continuous (hrs/d) | 1.39 (1.12) | 1.49 (1.09) | 1.49 (1.12) | 1.36 (1.04) | 0.98 (1.06) | <0.001 |
In categorical |
|
|
|
|
| <0.001 |
Yes | 2206 (93.2) | 1810 (94.0) | 1747 (94.6) | 2105 (92.1) | 1669 (85.2) |
|
No | 160 (6.8) | 115 (6.0) | 99 (5.4) | 180 (7.9) | 290 (14.8) |
|
Video games |
|
|
|
|
|
|
In continuous (hrs/d) | 0.06 (0.29) | 0.07 (0.31) | 0.06 (0.27) | 0.07 (0.29) | 0.09 (0.39) | 0.003 |
In categorical |
|
|
|
|
| 0.001 |
Yes | 228 (9.7) | 174 (9.1) | 150 (8.1) | 249 (10.9) | 230 (11.8) |
|
No | 2131 (90.3) | 1747 (90.9) | 1696 (91.9) | 2035 (89.1) | 1727 (88.2) |
|
Surfing Internet |
|
|
|
|
|
|
In continuous (hrs/d) | - | 0.13 (0.44) | 0.19 (0.50) | 0.27 (0.59) | 0.21 (0.57) | <0.001 |
In categorical |
|
|
|
|
| <0.001 |