Table 3.
Model-building results from multivariate stepwise regressions predicting the difference in latency to peak amplitude of the negative deflection seen between 200 and 900 ms when viewing novel vs. familiar stimuli. Variables were set to enter the equation if p < 0.15.
| Lead Grouping | Variable | β | SE | F-Value | p-Value | Model F | Model p | Model R-sq |
|---|---|---|---|---|---|---|---|---|
| Frontal Left | Intercept | 85.43 | 35.7 | 5.73 | 0.02 * | 4.04 | 0.02 * | 0.13 |
| DHA X Choline | −0.02 | 0.007 | 7.88 | 0.007 ** | ||||
| DHA X Lutein | 0.05 | 0.03 | 3.13 | 0.08 ^ | ||||
| Central Z | Intercept | −266.55 | 96.24 | 7.67 | 0.008 ** | 5.26 | 0.003 ** | 0.24 |
| Choline | 1.13 | 0.53 | 4.61 | 0.04 * | ||||
| Lutein | 15.66 | 4.46 | 12.35 | 0.0009 *** | ||||
| Lutein X Choline | −0.09 | 0.02 | 14.30 | 0.0004 *** |
*** Significant at p < 0.001; ** Significant at p < 0.01; * Significant at p < 0.05; ^ Trending toward significance at p < 0.1; DHA: docosahexaenoic acid; SE: standard error.