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Means and Standard Deviations for Predictor Variables, Three Age Groups
| Young 55 to 64 (n = 50) | Middle 65 to 74 (n = 90) | Older 75 to 83(n = 29) | ||||
|---|---|---|---|---|---|---|
| M | (SD) | M | (SD) | M | (SD) | |
| Health | 10.10 | (1.57) | 10.20 | (1.83) | 9.5 | (2.32) |
| Chronic illness | 1.15 | (1.05) | 1.54 | (1.32) | 1.96 | (1.67) |
| Depression | 1.38 | (2.12) | 1.26 | (1.75) | 1.62 | (1.99) |
| Prescription medications | 1.94 | (1.71) | 2.43 | (1.45) | 2.66 | (1.14) |
| Memory efficacy-level | 3.52 | (.82) | 3.21 | (.88) | 3.02 | (.94) |
| Memory efficacy-strength | 54.35 | (15.28) | 50.33 | (16.70) | 44.16 | (17.16) |
