Table 1.
Means and Standard Deviations for Social Networking Variables, Rumination Variables, and Depressive Symptoms in Study 1 and Study 2
| Variable | M (SD) | M (SD) |
|---|---|---|
| Number of times/day checking FB/MS | 6.06 (8.77) | 6.61 (7.97) |
| Total minutes/day using FB/MS | 109.44 (127.84) | 73.27 (82.44) |
| Total minutes/day interacting FB/MS | 73.41 (97.95) | 47.97 (59.25) |
| Total minutes/day IMing | 109.30 (152.73) | 74.09 (101.15) |
| Total minutes/day texting | 205.50 (288.31) | 134.85 (236.67) |
| Corumination | 77.94 (22.39) | 78.32 (23.65) |
| Depressive rumination | 51.65 (14.90) | 49.87 (14.41) |
| Depressive symptoms at baselinea | 11.74 (9.84) | 16.00 (10.73) |
| Depressive symptoms at follow-up | — | 15.89 (11.16) |
| Level of positivity across all interactions | 5.62 (.84) | 5.61 (0.89) |
| Level of positivity of friend interactions | — | 6.02 (0.98) |
| Level of positivity of romantic interactions | — | 5.58 (1.17) |
| Level of negativity across all interactions | 2.05 (.85) | 2.12 (0.83) |
| Level of negativity of friend interactions | — | 1.78 (0.81) |
| Level of negativity of romantic interactions | — | 2.30 (1.13) |
| Feeling down or depressed across all interactions | 2.08 (.98) | 1.97 (0.93) |
| Feeling down or depressed after friend interactions | — | 1.74 (0.90) |
| Feeling down or depressed after romantic interactions | — | 2.19 (1.34) |
Note. Study 1 did not discriminate among general, friend, and romantic interactions and therefore, data cannot be reported for those variables. FB/MS = Facebook/My Space; IMing = instant messaging.
a
Depressive symptoms were assessed with the Beck Depression Inventory–Second Edition in Study 1 and the Center for Epidemiologic Studies Depression Scale in Study 2.