Screen Use Measure
|
Time 11
|
Time 22
|
Time 33
|
Time 44
|
Time 55
|
Time 66
|
---|
Overall
|
Grade 5
|
3.05 (2.32)
|
2.65 (2.16)
|
2.60 (2.13)
|
2.60 (2.12)
|
2.89 (2.22)
|
3.02 (2.20)
|
Grade 7
|
3.92 (2.44)
|
3.78 (2.61)
|
3.67 (2.28)
|
3.89 (2.47)
|
3.92 (2.38)
|
4.04 (2.43)
|
Grade 9
|
4.95 (2.70)
|
4.53 (2.47)
|
4.57 (2.44)
|
4.66 (2.63)
|
4.63 (2.60)
|
4.48 (2.47)
|
Social Networking
|
Grade 5
|
0.88 (1.77)
|
0.86 (1.84)
|
0.76 (1.40)
|
0.93 (1.75)
|
1.18 (2.00)
|
1.30 (1.99)
|
Grade 7
|
1.70 (2.45)
|
1.71 (2.51)
|
1.58 (2.17)
|
1.72 (2.41)
|
1.82 (2.33)
|
1.93 (2.32)
|
Grade 9
|
2.52 (2.99)
|
2.17 (2.58)
|
2.20 (2.56)
|
2.28 (2.71)
|
2.48 (2.69)
|
2.19 (2.50)
|
Gaming
|
Grade 5
|
2.09 (2.28)
|
1.86 (2.26)
|
1.64 (2.06)
|
1.60 (1.94)
|
1.41 (2.02)
|
1.38 (1.97)
|
Grade 7
|
1.88 (2.16)
|
1.71 (2.43)
|
1.27 (1.85)
|
1.43 (2.10)
|
1.29 (2.24)
|
1.23 (2.10)
|
Grade 9
|
1.62 (2.33)
|
1.57 (2.37)
|
1.40 (2.22)
|
1.42 (2.43)
|
1.31 (2.57)
|
1.17 (2.29)
|
Web
|
Grade 5
|
1.46 (1.93)
|
1.35 (1.81)
|
1.26 (1.65)
|
1.25 (1.64)
|
1.46 (1.64)
|
1.34 (1.47)
|
Grade 7
|
1.73 (1.99)
|
1.90 (2.15)
|
1.64 (1.64)
|
1.84 (2.10)
|
1.78 (1.94)
|
1.79 (1.95)
|
Grade 9
|
2.09 (2.17)
|
2.04 (2.14)
|
1.87 (2.25)
|
2.17 (2.20)
|
2.42 (2.50)
|
2.15 (2.42)
|
Passive
|
Grade 5
|
2.45 (2.28)
|
2.18 (2.17)
|
2.09 (1.96)
|
2.14 (2.11)
|
2.06 (1.99)
|
2.04 (1.89)
|
Grade 7
|
2.73 (2.41)
|
2.80 (2.52)
|
2.35 (2.01)
|
2.47 (2.33)
|
2.41 (2.27)
|
2.48 (2.28)
|
Grade 9
|
3.02 (2.59)
|
2.84 (2.32)
|
2.69 (2.43)
|
2.73 (2.53)
|
2.59 (2.57)
|
2.56 (2.65)
|
- 1N = 590 to 652. 2N = 481 to 589. 3N = 461 to 539. 4N = 476 to 541. 5N = 373 to 483. 6N = 378 to 462