Table 5.
Change in location learning scores.
| Placebo (n = 37) | Lutein/zeaxanthin (n = 41) | Time × group interaction | Time × trial × group interaction | ||||
|---|---|---|---|---|---|---|---|
| Location learning trial 1 | Mean | 17.08 | 19.57 | 14.98 | 15.05 | 0.001 | 0.710 |
| (displacement score) | SE | 1.53 | 1.20 | 1.10 | 0.98 | ||
| Location learning trial 2 | Mean | 10.32 | 12.84 | 9.90 | 7.37 | ||
| (displacement score) | SE | 1.28 | 1.21 | 1.05 | 0.94 | ||
| Location learning trial 3 | Mean | 7.14 | 8.73 | 5.44 | 4.41 | ||
| (displacement score) | SE | 1.19 | 1.02 | 0.86 | 0.84 | ||
| Location learning trial 4 | Mean | 5.14 | 6.35 | 4.27 | 2.07 | ||
| (displacement score) | SE | 1.14 | 0.89 | 0.87 | 0.67 | ||
| Location learning trial 5 | Mean | 2.62 | 4.35 | 2.32 | 0.71 | ||
| (displacement score) | SE | 0.59 | 0.67 | 0.53 | 0.38 | ||
| Location learning recall | Mean | 4.24 | 5.89 | 3.51 | 1.49 | ||
| (displacement score) | SE | 0.90 | 0.92 | 0.66 | 0.71 | ||
A decrease in score indicates an improvement in performance.