TABLE 4.
Results of multivariate linear regression models assessing the effect of loneliness and age (predictors) on PIU and all-substance use (dependent variables) (Czechia, 2021).
| Predictors | Beta coefficient b | Standard error | t | p-value |
|---|---|---|---|---|
| Outcome: PIU a | ||||
| Loneliness | 0.232 | 0.765 | 2.562 | 0.011 |
| Age | −0.131 | 0.081 | −1.347 | 0.178 |
| Loneliness × Age | −0.054 | 0.015 | −0.435 | 0.664 |
| Outcome: All-substance use | ||||
| Loneliness | 0.179 | 0.200 | 1.909 | 0.056 |
| Age | 0.226 | 0.021 | 2.238 | 0.025 |
| Loneliness × Age | −0.241 | 0.004 | −1.861 | 0.063 |
a
Notes: Problematic Internet use.
b
Standardized.