Four Latent Class Model of Cognitive Performance at Age 72 (Wisconsin Longitudinal Study, 2011, N = 3,713)
| . | Latent class . | |||
|---|---|---|---|---|
| Assigned label . | Overall low . | Older overall high . | Older high fluency . | Older high episodic memory . |
| Latent class prevalences | .26 | .22 | .30 | .22 |
| Item-response probabilities | ||||
| Letter fluency | ||||
| Lowest 25% | .39 | .03 | .03 | .29 |
| 25%–50% | .41 | .20 | .27 | .56 |
| 50%–75% | .17 | .24 | .33 | .15 |
| Highest 25% | .03 | .44 | .37 | .00 |
| Category fluency | ||||
| Lowest 25% | .52 | .10 | .16 | .36 |
| 25%–50% | .24 | .13 | .20 | .26 |
| 50%–75% | .20 | .45 | .40 | .32 |
| Highest 25% | .04 | .32 | .23 | .04 |
| Immediate recall | ||||
| Lowest 25% | .55 | .01 | .23 | .00 |
| 25%–50% | .34 | .09 | .38 | .27 |
| 50%–75% | .11 | .64 | .38 | .65 |
| Highest 25% | .00 | .27 | .01 | .08 |
| Delayed recall | ||||
| Lowest 25% | .59 | .01 | .34 | .06 |
| 25%–50% | .27 | .03 | .36 | .15 |
| 50%–75% | .15 | .13 | .29 | .33 |
| Highest 25% | .00 | .83 | .01 | .46 |
| . | Latent class . | |||
|---|---|---|---|---|
| Assigned label . | Overall low . | Older overall high . | Older high fluency . | Older high episodic memory . |
| Latent class prevalences | .26 | .22 | .30 | .22 |
| Item-response probabilities | ||||
| Letter fluency | ||||
| Lowest 25% | .39 | .03 | .03 | .29 |
| 25%–50% | .41 | .20 | .27 | .56 |
| 50%–75% | .17 | .24 | .33 | .15 |
| Highest 25% | .03 | .44 | .37 | .00 |
| Category fluency | ||||
| Lowest 25% | .52 | .10 | .16 | .36 |
| 25%–50% | .24 | .13 | .20 | .26 |
| 50%–75% | .20 | .45 | .40 | .32 |
| Highest 25% | .04 | .32 | .23 | .04 |
| Immediate recall | ||||
| Lowest 25% | .55 | .01 | .23 | .00 |
| 25%–50% | .34 | .09 | .38 | .27 |
| 50%–75% | .11 | .64 | .38 | .65 |
| Highest 25% | .00 | .27 | .01 | .08 |
| Delayed recall | ||||
| Lowest 25% | .59 | .01 | .34 | .06 |
| 25%–50% | .27 | .03 | .36 | .15 |
| 50%–75% | .15 | .13 | .29 | .33 |
| Highest 25% | .00 | .83 | .01 | .46 |
Four Latent Class Model of Cognitive Performance at Age 72 (Wisconsin Longitudinal Study, 2011, N = 3,713)
| . | Latent class . | |||
|---|---|---|---|---|
| Assigned label . | Overall low . | Older overall high . | Older high fluency . | Older high episodic memory . |
| Latent class prevalences | .26 | .22 | .30 | .22 |
| Item-response probabilities | ||||
| Letter fluency | ||||
| Lowest 25% | .39 | .03 | .03 | .29 |
| 25%–50% | .41 | .20 | .27 | .56 |
| 50%–75% | .17 | .24 | .33 | .15 |
| Highest 25% | .03 | .44 | .37 | .00 |
| Category fluency | ||||
| Lowest 25% | .52 | .10 | .16 | .36 |
| 25%–50% | .24 | .13 | .20 | .26 |
| 50%–75% | .20 | .45 | .40 | .32 |
| Highest 25% | .04 | .32 | .23 | .04 |
| Immediate recall | ||||
| Lowest 25% | .55 | .01 | .23 | .00 |
| 25%–50% | .34 | .09 | .38 | .27 |
| 50%–75% | .11 | .64 | .38 | .65 |
| Highest 25% | .00 | .27 | .01 | .08 |
| Delayed recall | ||||
| Lowest 25% | .59 | .01 | .34 | .06 |
| 25%–50% | .27 | .03 | .36 | .15 |
| 50%–75% | .15 | .13 | .29 | .33 |
| Highest 25% | .00 | .83 | .01 | .46 |
| . | Latent class . | |||
|---|---|---|---|---|
| Assigned label . | Overall low . | Older overall high . | Older high fluency . | Older high episodic memory . |
| Latent class prevalences | .26 | .22 | .30 | .22 |
| Item-response probabilities | ||||
| Letter fluency | ||||
| Lowest 25% | .39 | .03 | .03 | .29 |
| 25%–50% | .41 | .20 | .27 | .56 |
| 50%–75% | .17 | .24 | .33 | .15 |
| Highest 25% | .03 | .44 | .37 | .00 |
| Category fluency | ||||
| Lowest 25% | .52 | .10 | .16 | .36 |
| 25%–50% | .24 | .13 | .20 | .26 |
| 50%–75% | .20 | .45 | .40 | .32 |
| Highest 25% | .04 | .32 | .23 | .04 |
| Immediate recall | ||||
| Lowest 25% | .55 | .01 | .23 | .00 |
| 25%–50% | .34 | .09 | .38 | .27 |
| 50%–75% | .11 | .64 | .38 | .65 |
| Highest 25% | .00 | .27 | .01 | .08 |
| Delayed recall | ||||
| Lowest 25% | .59 | .01 | .34 | .06 |
| 25%–50% | .27 | .03 | .36 | .15 |
| 50%–75% | .15 | .13 | .29 | .33 |
| Highest 25% | .00 | .83 | .01 | .46 |
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