Table 3.
Unstandardized Parameter Estimates (with Standard Errors) for Conditional Multi-Group LGCMs
| Grade and Parameter Estimate | Measure of screen use | ||||
|---|---|---|---|---|---|
| Overall | Social Networking | Gaming | Web | Passive | |
| Grade 5 | |||||
| Intercept | 2.77 (0.11)*** | 0.70 (0.08)*** | 2.32 (0.11)*** | 1.29 (0.08)*** | 2.19 (0.09)*** |
| Slope | 0.05 (0.06) | 0.12 (0.05)** | −0.20 (0.06)** | 0.00 (0.04) | − 0.11 (0.05) |
| Intercept* Sex | −0.08 (0.17) | 0.15 (0.12) | −0.58 (0.16)*** | 0.12 (0.12) | 0.22 (0.15) |
| Slope* Sex | 0.02 (0.09) | 0.14 (0.07) | − 0.17 (0.09) | 0.01 (0.06) | − 0.02 (0.07) |
| Intercept/Slope | −0.55 (0.16)** | −0.03 (0.09) | − 0.65 (0.16)*** | −0.12 (0.12) | − 0.15 (0.12) |
| Grade 7 | |||||
| Intercept | 3.17 (0.11)*** | 1.13 (0.10)*** | 2.06 (0.11)*** | 1.38 (0.09)*** | 2.26 (0.10)*** |
| Slope | 0.24 (0.06)*** | 0.13 (0.05)** | −0.11 (0.06) | 0.10 (0.05) | 0.01 (0.06) |
| Intercept* Sex | 1.26 (0.17)*** | 1.11 (0.18)*** | −0.71 (0.15)*** | 0.76 (0.14)*** | 0.83 (0.16)*** |
| Slope* Sex | −0.18 (0.09) | 0.14 (0.08) | −0.26 (0.08)** | −0.09 (0.08) | − 0.11 (0.09) |
| Intercept/Slope | −0.45 (0.13)*** | − 0.50 (0.18)** | −0.48 (0.15)** | − 0.40 (0.14)** | −0.46 (0.16)** |
| Grade 9 | |||||
| Intercept | 3.93 (0.12)*** | 1.74 (0.12)*** | 2.09 (0.12)*** | 1.67 (0.09)*** | 2.44 (0.11)*** |
| Slope | 0.14 (0.07) | 0.18 (0.07) | −0.17 (0.07) | 0.16 (0.07) | −0.00 (0.07) |
| Intercept* Sex | 1.73 (0.18)*** | 1.35 (0.21)*** | −1.08 (0.16)*** | 0.86 (0.16)*** | 1.03 (0.17)*** |
| Slope* Sex | −0.39 (0.10)*** | −0.24 (0.10) | 0.08 (0.10) | −0.15 (0.10) | − 0.21 (0.11) |
| Intercept/Slope | −0.56 (0.15)*** | − 0.82 (0.21)*** | −0.61 (0.20)** | − 0.61 (0.19)** | −0.43 (0.16)** |
** = p < .01; *** = p < .001
Footnote: Reference group for sex is male