Table 1.
Description of Participant Groups at Baseline
| Variable | No MCI (n =64) | MCI (n =255) | Total (n=319) | Group comparison p value1 |
|---|---|---|---|---|
| Age (years) | 80 (6) | 82.3 (6.6) | 82 (7) | 0.0022* |
| Sex (m/f) | 2/46 | 12/46 | 111/195 | 0.021* |
| Education2 | 0.167 | |||
| 1 | 4 | 29 | 33 | |
| 2 | 8 | 51 | 59 | |
| 3 | 9 | 49 | 58 | |
| 4 | 2 | 20 | 22 | |
| 5 | 8 | 28 | 36 | |
| 6 | 24 | 66 | 90 | |
| Lives alone3 | 0.328 | |||
| 1 | 20 | 80 | 100 | |
| 2 | 26 | 95 | 121 | |
| 3 | 3 | 28 | 31 | |
| Weight (kg) | 71 (17) | 69 (16) | 70 (16) | 0.613 |
| Height (cm) | 161 (12) | 161 (10) | 161 (10) | 0.732 |
| PPA | 1.6 (1.1) | 1.7 (1.0) | 1.7 (1.1) | 0.280 |
| GDS | 2.9 (2.6) | 3.1 (2.5) | 3.1 (2.5) | 0.605 |
| FCI | 2 (2) | 3 (2) | 3 (2) | 0.087 |
| IADLs | 7.1 (1.7) | 6.7 (1.8) | 6.8 (1.8) | 0.126 |
| TUG | 18.0 (7.9 | 20.8 (10.5) | 20.3 (10.1) | 0.062 |
| NIA | 7.5 (2.3) | 7.2 (2.6) | 7.2 (2.6) | 0.350 |
| MMSE | 27 (4) | 26 (3) | 26 (3) | 0.010* |
| MoCA | 27.9 (1.1) | 20.8 (4.0) | 21.9 (4.5) | <0.001* |
| Stroop Difference | −17.5 (132.3) | −8.2 (90.4) | −9.9 (99.6) | 0.5263 |
| Trail Making Difference | 68.9 (55.0) | 159.2 (201.0) | 142.2 (185.9) | 0.0018* |
| Digits | 3.0 (3.4) | 3.6 (2.5) | 3.5 (2.7) | 0.1067 |
1
For all variables except sex, this value represents the p value for the one-way ANOVA omnibus F statistic. For sex, the value represents the p value for the χ2 test. For variables in which the omnibus test was significant, groups with shared subscripts are not significantly different (p>.05).
2
Education sample size: No MCI (n=55), MCI (n=243), Total (n=298)
3
Lives alone: No MCI (n=49), MCI (n=203), Total (n=252)
*
p < 0.05