Table 2 Mean (standard deviation) weekly minutes for total screen time and TV/movie, and proportions of users for video games and computer per SES category.
Characteristics | Low SES | Medium SES | High SES | Â |
|---|---|---|---|---|
| Â | Mean (SD) | Mean (SD) | Mean (SD) | Linear Test for Trend |
Screen Time | Â | Â | Â | Â |
   Boys | 883.8 (555.7) | 871.6 (491.8) | 837.8 (452.0) | F (1) = 1.26, p = 0.26 |
   Girls | 906.2 (556.8) | 810.1 (512.8) | 756.7 (440.5) | F (1) = 9.90, p < 0.01 |
   Overall | 894.2 (555.5) | 839.8 (503.3) | 798.2 (448.0) | F (1) = 9.03, p < 0.01 |
TV/Movie | Â | Â | Â | Â |
   Boys | 660.9 (409.5) | 688.1 (416.0) | 664.73 (370.7) | F (1) = 0.00, p = 0.95 |
   Girls | 739.8 (453.2) | 701.3 (451.1) | 644.7 (403.1) | F (1) = 6.00, p = 0.01 |
   Overall | 697.5 (431.5) | 694.9 (434.2) | 654.96 (386.72) | F (1) = 3.22, p = 0.07 |
| Â | (%) | (%) | (%) | Linear Test for Trend |
Video Games | Â | Â | Â | Â |
   Boys | 43.3 | 36.1 | 32.0 | Z (1) = -2.60, p < 0.01 |
   Girls | 18.5 | 15.4 | 11.2 | Z (1) = -2.32, p = 0.02 |
   Overall | 31.8 | 25.4 | 21.8 | Z (1) = -3.47, p < 0.01 |
Computer | Â | Â | Â | Â |
   Boys | 52.4 | 61.3 | 65.9 | Z (1) = 3.01, p < 0.01 |
   Girls | 56.2 | 56.3 | 66.5 | Z (1) = 2.60, p < 0.01 |
   Overall | 54.2 | 58.7 | 66.2 | Z (1) = 3.97, p < 0.01 |