Table 2.
Correlations Between Classification Tests by Cognitive Status Group at Wave 1
| 1 | 2 | 3 | |
|---|---|---|---|
| Variables | |||
| Digit Symbol Substitution | - | ||
| Letter Series | - | ||
| CE | .36*** | ||
| CN | .44*** | ||
| CI | .33*** | ||
| Verbal Fluency | - | ||
| CE | .19 | .40*** | |
| CN | .26*** | .28*** | |
| CI | −.05 | .12 |
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