Table 1a.
Results of the multi-level modeling analysis to predict the factors which account for variability in the slope and intercept of the stimulus-lag functions for subjects aged 3 to 20 years.
| Factor | Estimate | SE | DF | t | p | |
|---|---|---|---|---|---|---|
|
Lag for 3 year old at 3D demand |
Intercept | 1.13 | 0.076 | 48 | 14.82 | <0.0001 |
|
Mean Slope |
Demand | 0.170 | 0.046 | 207 | 3.70 | 0.0003 |
|
Inter-Subject Variability in Intercept (Lag at 3 D demand) |
Age (centered at 3) | −0.037 | 0.0123 | 48 | −2.99 | 0.0044 |
| Max Amplitude (centered at 7.24 D) | −0.022 | 0.040 | 48 | −0.56 | 0.5812 | |
| Refractive Error (myope vs emmetrope) | 0.178 | 0.148 | 48 | 1.20 | 0.2358 | |
| Distance Residual AR | 0.027 | 0.120 | 48 | 0.23 | 0.8202 | |
| Inter-Subject Variability in Slope | Demand * Age (centered at 3) | −0.001 | 0.007 | 207 | −0.12 | 0.9042 |
| Demand * Max Amplitude (centered at 7.24 D) | −0.081 | 0.024 | 207 | −3.38 | 0.0009 | |
| Demand * Refractive Error (myope vs emmetrope) | −0.103 | 0.089 | 207 | −1.15 | 0.2506 | |
| Demand * Dist Residual AR | 0.048 | 0.072 | 207 | 0.66 | 0.5123 | |