TABLE 3.
Characteristics of cognitively impaired participants by subgroup.
| Study groups |
Effect size1 | ||
| Mild cognitive impairment | Impaired/No complaints | ||
| Number | 52 | 41 | |
| Age | 64.9 (10.4) | 60.5 (8.0) | 0.06* |
| Education | 14.5 (2.7) | 13.1 (2.7) | 0.07* |
| Sex [Percent (N) Male] | 28.9 (15) | 41.5 (17) | 0.13 |
| Race [Percent (N) Caucasian] | 48.1 (25) | 17.1 (7) | 0.32* |
| Handedness [Percent(N) Right] | 92.0 (46) | 87.5 (35) | 0.08 |
| APOE*4 Present [Percent(N)] | 31.3 (15) | 39.5 (15) | 0.09 |
| Montreal Cognitive Assessment | 23.3 (2.6) | 23.5 (3.0) | 0.001 |
| Wide Range Achievement Test – 4 | 60.9 (6.8) | 56.1 (8.5) | 0.10 |
| Walk Endurance – 2min distance | 481.9 (86.3) | 528.2 (82.1) | 0.08* |
| Gait Speed – 4meter walk – time | 3.6 (0.7) | 3.3 (0.6) | 0.04 |
| Oral Reading Recognition | 4.9 (2.6) | 4.1 (2.9) | 0.02 |
| Dimensional Change Card Sort Test | 28.2 (2.0) | 28.1 (2.1) | 0.002 |
| Flanker Inhibitory Control | 19.9 (0.8) | 20.0 (0.2) | 0.01 |
| Pattern Comparison | 36.6 (8.3) | 40.6 (6.3) | 0.08 |
| Picture Sequence Memory | 7.1 (4.4) | 7.6 (5.0) | 0.003 |
| Crystalized Cognition | 106.6 (9.0) | 103.2 (9.1) | 0.04 |
| Fluid Cognition | 86.5 (9.2) | 90.3 (8.9) | 0.05 |
| Total Cognition | 95.5 (7.8) | 95.3 (7.0) | 0.000 |
| Promis Abilities | 24.7 (7.9) | 32.6 (5.7) | 0.32* |
| Promis Concerns | 20.3 (7.5) | 12.7 (4.6) | 0.35* |
| General Life Satisfaction | 19.6 (8.7) | 20.7 (12.6) | 0.003 |
| Meaning and Purpose | 26.5 (13.2) | 34.1 (15.1) | 0.07* |
| Positive Affect | 18.1 (12.3) | 24.7 (18.1) | 0.05 |
| Sadness | 8.8 (2.1) | 9.5 (2.4) | 0.03 |
| Self-Efficacy | 17.0 (8.0) | 20.2 (11.2) | 0.03 |
1Cramer’s V or Cohen’s f2. *p < 0.05.