Table 3.
Parameter estimates from the RI-CLPMs for physical activity, screen time, and depressive symptoms
| Total | Child (< 10 years) | Adolescents (≥ 10 years) | ||||
|---|---|---|---|---|---|---|
| β (SE) | p value | β (SE) | p value | β (SE) | p value | |
| Model 1 | ||||||
| Within-person | ||||||
| Autoregressive | ||||||
| MVPA T1 → MVPA T2 | -0.094 (0.024) | < 0.001 | -0.125 (0.026) | < 0.001 | -0.063 (0.032) | 0.051 |
| MVPA T2 → MVPA T3 | -0.394 (0.065) | < 0.001 | -1.009 (0.286) | < 0.001 | -0.312 (0.062) | < 0.001 |
| DS T1 → DS T2 | -0.016 (0.046) | 0.734 | 0.055 (0.081) | 0.498 | -0.036 (0.057) | 0.526 |
| DS T2 → DS T3 | 0.077 (0.056) | 0.164 | -0.022 (0.090) | 0.810 | 0.118 (0.069) | 0.086 |
| Cross-lagged | ||||||
| MVPA T1 → DS T2 | -0.147 (0.052) | 0.005 | -0.064 (0.079) | 0.421 | -0.181 (0.064) | 0.005 |
| MVPA T2 → DS T3 | 0.108 (0.099) | 0.275 | 0.240 (0.349) | 0.491 | 0.106 (0.102) | 0.297 |
| DS T1 → MVPA T2 | 0.022 (0.018) | 0.221 | 0.016 (0.023) | 0.487 | 0.025 (0.023) | 0.288 |
| DS T2 → MVPA T3 | 0.005 (0.028) | 0.853 | 0.081 (0.059) | 0.170 | -0.021 (0.033) | 0.520 |
| Covariance | ||||||
| MVPA and DS T1 | -0.070 (0.082) | 0.392 | -0.048 (0.110) | 0.661 | -0.094 (0.109) | 0.390 |
| Residuals MVPA and DS T2 | -0.063 (0.078) | 0.420 | 0.059 (0.077) | 0.444 | -0.115 (0.110) | 0.294 |
| Residuals MVPA and DS T3 | 0.101 (0.081) | 0.212 | 0.049 (0.136) | 0.720 | 0.154 (0.099) | 0.119 |
| Between-person | ||||||
| Covariance (MVPA, DS) | -0.135 (0.055) | 0.014 | -0.145 (0.059) | 0.013 | -0.126 (0.074) | 0.089 |
| Model 2 | ||||||
| Within-person | ||||||
| Autoregressive | ||||||
| RST T1 → RST T2 | 0.268 (0.099) | 0.007 | -0.164 (0.166) | 0.324 | 0.405 (0.120) | 0.001 |
| RST T2 → RST T3 | 0.100 (0.017) | < 0.001 | 0.018 (0.028) | 0.516 | 0.118 (0.021) | < 0.001 |
| DS T1 → DS T2 | -0.007 (0.046) | 0.887 | 0.060 (0.080) | 0.453 | -0.020 (0.057) | 0.722 |
| DS T2 → DS T3 | 0.071 (0.056) | 0.205 | -0.027 (0.093) | 0.767 | 0.117 (0.069) | 0.087 |
| Cross-lagged | ||||||
| RST T1 → DS T2 | -0.103 (0.110) | 0.351 | -0.027 (0.179) | 0.881 | -0.127 (0.138) | 0.355 |
| RST T2 → DS T3 | 0.076 (0.032) | 0.018 | 0.060 (0.063) | 0.338 | 0.077 (0.038) | 0.041 |
| DS T1 → RST T2 | 0.085 (0.027) | 0.020 | 0.004 (0.063) | 0.950 | 0.100 (0.044) | 0.024 |
| DS T2 → RST T3 | -0.003 (0.026) | 0.904 | 0.039 (0.035) | 0.265 | -0.007 (0.034) | 0.838 |
| Covariance | ||||||
| RST and DS T1 | 0.071 (0.066) | 0.286 | -0.010 (0.074) | 0.897 | 0.108 (0.094) | 0.249 |
| Residuals RST and DS T2 | 0.531 (0.137) | < 0.001 | 0.635 (0.171) | < 0.001 | 0.529 (0.186) | 0.004 |
| Residuals RST and DS T3 | 0.127 (0.075) | 0.092 | 0.215 (0.088) | 0.015 | 0.087 (0.104) | 0.404 |
| Between-person | ||||||
| Covariance (RST, DS) | 0.255 (0.062) | < 0.001 | 0.033 (0.063) | 0.608 | 0.355 (0.090) | < 0.001 |
Abbreviation: MVPA: Moderate-to-vigorous intensity physical activity; RST: Recreational screen time; DS: Depressive symptoms; β: estimated standardized beta values; SE: Standard error; T1: Time point 1; T2: Time point 2; T3: Time point 3