Table 3.
Results of IGC models with level-1 predictors for adolescent Internet addiction (Waves 1–3).
| Model 1 | Model 2 | |||||
|---|---|---|---|---|---|---|
| Estimate | SE | Estimate | SE | |||
| FIXED EFFECTS | ||||||
| Intercept | β0j | |||||
| Intercept | γ00 | 2.196*** | 0.0366 | 2.288*** | 0.0440 | |
| Linear Slope | β1j | |||||
| Time | γ10 | −0.092*** | 0.0240 | |||
| RANDOM EFFECTS | ||||||
| Level 1 (within) | ||||||
| Residual | rij | 2.7135*** | 0.0525 | 2.3249*** | 0.0636 | |
| Level 2 (between) | ||||||
| Intercept | u0j | 2.6650*** | 0.0993 | 3.2325*** | 0.1511 | |
| Time | u1j | 0.3801*** | 0.0529 | |||
| FIT STATISTICS | ||||||
| Deviance | 34379.69 | 34309.30 | ||||
| AIC | 34385.69 | 34321.30 | ||||
| BIC | 34406.66 | 34363.23 | ||||
| Df | 3 | 6 | ||||
Model 1, unconditional mean model; Model 2, unconditional linear growth model; AIC, Akaike Information Criterion; BIC, Bayesian Information Criterion.
***
p < 0.001.