Table 1 Descriptive statistics of study variables.
From: Effects of problematic social media use on depressive symptoms
Variable | n | Missing | Mean | SD | SE | Median | IQR |
|---|---|---|---|---|---|---|---|
Boys | |||||||
PSMU | 973 | 1 | 0.19 | 0.30 | 0.01 | 0.00 | 0.50 |
SMF | 974 | 0 | 0.72 | 0.71 | 0.02 | 0.48 | 0.88 |
SMU | 968 | 6 | 3.01 | 1.92 | 0.06 | 2.50 | 2.50 |
CESD (T1) | 959 | 15 | 1.82 | 0.58 | 0.02 | 1.71 | 0.71 |
CESD (T2) | 969 | 5 | 1.85 | 0.58 | 0.02 | 1.71 | 0.71 |
Age (T1) | 973 | 1 | 13.78 | 0.76 | 0.02 | 14.00 | 1.00 |
Girls | |||||||
PSMU | 1111 | 0 | 0.32 | 0.37 | 0.01 | 0.00 | 0.50 |
SMF | 1111 | 0 | 0.79 | 0.71 | 0.02 | 0.60 | 0.83 |
SMU | 1106 | 5 | 3.88 | 2.06 | 0.06 | 3.50 | 2.50 |
CESD (T1) | 1102 | 9 | 2.25 | 0.68 | 0.02 | 2.14 | 1.00 |
CESD (T2) | 1103 | 8 | 2.18 | 0.65 | 0.02 | 2.14 | 0.86 |
Age (T1) | 1109 | 2 | 13.78 | 0.72 | 0.02 | 14.00 | 1.00 |
Other | |||||||
PSMU | 36 | 0 | 0.24 | 0.33 | 0.06 | 0.00 | 0.50 |
SMF | 36 | 0 | 0.96 | 0.98 | 0.16 | 0.60 | 1.05 |
SMU | 36 | 0 | 4.11 | 2.23 | 0.37 | 4.00 | 3.25 |
CESD (T1) | 36 | 0 | 2.62 | 0.72 | 0.12 | 2.64 | 1.00 |
CESD (T2) | 36 | 0 | 2.41 | 0.71 | 0.12 | 2.43 | 0.89 |
Age (T1) | 36 | 0 | 14.03 | 0.77 | 0.13 | 14.00 | 0.50 |
Total | |||||||
PSMU | 2120 | 1 | 0.26 | 0.35 | 0.01 | 0.00 | 0.50 |
SMF | 2121 | 0 | 0.76 | 0.72 | 0.02 | 0.55 | 0.85 |
SMU | 2110 | 11 | 3.49 | 2.05 | 0.05 | 3.00 | 2.50 |
CESD (T1) | 2097 | 24 | 2.06 | 0.67 | 0.02 | 2.00 | 1.00 |
CESD (T2) | 2108 | 13 | 2.03 | 0.65 | 0.01 | 2.00 | 0.86 |
Age (T1) | 2118 | 3 | 13.79 | 0.74 | 0.02 | 14.00 | 1.00 |