Table 4 Kendall Tau b correlation coefficients for stability of daily TV and VG time between ages 5, 8, 11, and 13
From: Tracking of TV and video gaming during childhood: Iowa Bone Development Study
| Â | Age 5-8 | Age 5-11 | Age 5-13 | Age 8-11 | Age 8-13 | Age 11-13 |
|---|---|---|---|---|---|---|
| Â | Boys: n = 193 | Boys: n = 171 | Boys: n = 168 | Boys: n = 161 | Boys: n = 158 | Boys: n = 152 |
| Â | Girls: n = 222 | Girls: n = 211 | Girls: n = 189 | Girls: n = 205 | Girls: n = 185 | Girls: n = 180 |
TV Viewing | Â | Â | Â | Â | Â | Â |
   Boys | 0.40*** | 0.20** | 0.24*** | 0.28*** | 0.30*** | 0.29*** |
   Girls | 0.44*** | 0.27*** | 0.09 | 0.41*** | 0.28*** | 0.25*** |
Video Gaming | Â | Â | Â | Â | Â | Â |
   Boys | 0.16* | 0.15* | 0.04 | 0.13 | 0.18** | 0.15* |
   Girls | 0.35*** | 0.15* | 0.12 | 0.32*** | 0.03 | 0.27*** |