Table 1.
Sample Demographics (N=768)
| Total sample, N=768 | Non-MCI N=644 | MCI N=124 | |
|---|---|---|---|
| Women (%) | 60.5 | 60.9 | 58.9 |
| White (%) | 67.3 | 68.2 | 62.9 |
| Age, mean (SD), y | 80.0(5.5) | 79.6(5.3) | 81.7(5.8) |
| Education, mean (SD), y | 14.1(3.4) | 14.2(3.3) | 13.2(3.5) |
| BIMC total errors, median (range) | 1 (0-11) | 1.7(1.9) | 3.0(2.6) |
| FCSRT-IR free recall score, mean (SD) | 30.8(6.4) | 31.9(5.6) | 24.8(7.1) |
| FCSRT-IR total recall score, mean (SD) | 47.6(2.2) | 47.7(2.2) | 47.1(2.1) |
| Logical Memory I total score, mean (SD) | 20.8(6.7) | 21.5(6.6) | 17.2(6.3) |
| Verbal IQ, mean (SD) | 109.8(16.4) | 110.3(16.2) | 104.7(17.1) |
| Beck Anxiety Index, mean(SD)† | 4.2(5.6) | 4.1(5.4) | 4.3(6.3) |
| Geriatric Depression Scale(GDS), mean(SD) | 2.2(2.1) | 2.1(2.1) | 2.6(2.3) |
| PSS-13, mean(SD) * | 17.1(7.6) | 16.9(7.5) | 18.2(7.8) |
| Positive Factor (Coping), mean(SD) | 18.1(5.4) | 18.2(5.3) | 17.0(5.9) |
| Negative Factor (Distress), mean(SD) * | 7.2(4.4) | 7.2(4.3) | 7.3(4.6) |
| PANAS-X-Positive Affect†† | 21.0(8.0) | 21.2(8.1) | 19.2(7.9) |
| PANAS-X-Negative Affect†† | 7.7(6.4) | 7.3(6.2) | 8.1(6.9) |
• FCSRT-IR: Free and Cued Selective Reminding Test -Immediate Recall BIMC: Blessed Information -Memory-Concentration Test; PANAS: Positive Affect and Negative Affect Schedule
• Range of possible scores for demographic data: BIMC (0-33), FCSRT-IR (0-48; for both free and total recall), LM I (0-50), GDS (0-15), and BAI (0-63)
†
Beck anxiety Index available for n=229
††
PANAS data available for n=699
*
Question 12 in PSS-14 is excluded from analysis