| Factors | DF | MS | F | F0.05 | Sg |
| CDW filler content | 4 | 33.42 | 13.56 | 2.87 | S |
| Age | 1 | 908.63 | 368.68 | 4.35 | S |
| CDW filler content - Age | 4 | 16.05 | 6.51 | 2.87 | S |
| Error | 20 | 2.46 |
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