Table 2.
Correlations and Descriptive Statistics for Study Variables
| Smartphone Dependence (SmD) |
Negative Peer Relationships (NPR) |
Life Satisfaction (LS) |
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|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T1 | T2 | T3 | T1 | T2 | T3 | T1 | T2 | T3 | |||||||||||||
| SmD T1 | -- | ||||||||||||||||||||
| SmD T2 | 0.436*** | -- | |||||||||||||||||||
| SmD T3 | 0.356*** | 0.477*** | -- | ||||||||||||||||||
| NPR T1 | 0.285*** | 0.184*** | 0.180*** | -- | |||||||||||||||||
| NPR T2 | 0.150*** | 0.317*** | 0.174*** | 0.297*** | -- | ||||||||||||||||
| NPR T3 | 0.148*** | 0.187*** | 0.256*** | 0.192*** | 0.269*** | -- | |||||||||||||||
| LS T1 | − 0.318*** | − 0.210*** | − 0.170*** | − 0.327*** | − 0.179*** | − 0.147*** | -- | ||||||||||||||
| LS T2 | − 0.164*** | − 0.329*** | − 0.178*** | − 0.201*** | − 0.350*** | − 0.190*** | 0.440*** | -- | |||||||||||||
| LS T3 | − 0.166*** | − 0.180*** | − 0.260*** | − 0.182*** | − 0.188*** | − 0.308*** | 0.371*** | 0.459*** | -- | ||||||||||||
| M | 2.035 | 2.128 | 2.180 | 1.848 | 1.834 | 1.796 | 3.139 | 3.068 | 3.060 | ||||||||||||
| SD | 0.488 | 0.467 | 0.492 | 0.514 | 0.561 | 0.562 | 0.541 | 0.476 | 0.455 | ||||||||||||
| Skewness | 0.227 | − 0.086 | − 0.101 | 0.408 | 0.432 | 0.575 | − 0.307 | 0.036 | − 0.074 | ||||||||||||
| Kurtosis | − 0.042 | − 0.098 | − 0.322 | 0.749 | 0.130 | 0.386 | 0.235 | 0.464 | 0.939 | ||||||||||||
Notes. M, mean; SD, standard deviation; T1: Time 1; T2: Time 2; T3: Time 3; SmD: smartphone dependence; NPR: negative peer relationships; LS: life satisfaction; ***p < .001