Table 1.
Descriptives of Outcomes
| Outcomes | Time 1 | Time 2 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| N | Min | Max | M | SD | N | Min | Max | M | SD | |
| Frequency of online behaviors | ||||||||||
| Frequency of checking social media | 998 | 1 | 6 | 3.75 | 1.91 | 945 | 1 | 6 | 4.23 | 1.72 |
| Sleep behaviors | 909 | 1 | 4 | 2.38 | 0.91 | 841 | 1 | 4 | 2.55 | 0.89 |
| Negative online behaviors | ||||||||||
| Secretive behaviors: Parent disapproval of network friend | 821 | 0 | 1 | 0.21 | 0.41 | 815 | 0 | 1 | 0.22 | 0.41 |
| Secretive behaviors: Parent disapproval of social media site | 960 | 0 | 1 | 0.12 | 0.32 | 925 | 0 | 1 | 0.15 | 0.36 |
| Problematic internet behaviors | 916 | 1 | 5 | 1.67 | 0.68 | 841 | 1 | 5 | 1.90 | 0.83 |
| Online harassment | 877 | 1 | 4 | 1.50 | 0.65 | 831 | 1 | 4 | 1.52 | 0.66 |
| Unsympathetic online behaviors | 863 | 1 | 5 | 1.49 | 0.70 | 822 | 1 | 5 | 1.51 | 0.75 |
| Positive online behaviors | ||||||||||
| Positive media use | 961 | 1 | 5 | 2.60 | 0.77 | 896 | 1 | 5 | 2.67 | 0.79 |
| Online social support | 911 | 1 | 5 | 2.28 | 0.90 | 798 | 1 | 5 | 2.45 | 0.88 |
| Wellbeing | ||||||||||
| Coping while stress | 867 | 1 | 4 | 2.92 | 0.63 | 806 | 1 | 4 | 3.08 | 0.64 |
| Online social anxiety | 892 | 1 | 4 | 1.86 | 0.79 | 860 | 1 | 4 | 1.88 | 0.97 |
| Social anxiety | 900 | 1 | 4 | 2.38 | 0.80 | 862 | 1 | 4 | 2.60 | 0.91 |
| Loneliness | 928 | 1 | 3 | 1.45 | 0.52 | 862 | 1 | 3 | 1.60 | 0.60 |
| Depression | 930 | 0 | 30 | 6.84 | 4.95 | 857 | 0 | 30 | 8.95 | 6.28 |