Table 1.
Participant Characteristics for the Total Sample and Separated by MCI and Non-MCI Group
| Demographic | Total (n = 202) Mean±SD (range) |
Non-MCI (n = 171) Mean±SD (range) |
MCI (n = 31) Mean±SD (range) |
p |
|---|---|---|---|---|
| Age | 68.79 ± 6.18 (55–85) | 68.55 ± 5.95 (55–85) | 70.10 ± 7.30 (60–85) | 0.200 |
| Sex (Male:Female) | 110 : 92 | 94 : 77 | 16 : 15 | 0.920 |
| Race (White:Non-White) | 189 : 13 | 163 : 8 | 26 : 5 | 0.017 |
| Education | 16.02 ± 2.70 (9–24) | 16.23 ± 2.57 (9–24) | 14.89 ± 3.16 (10–22) | 0.031 |
| TICS | 37.8173 ± 3.73 (26–47) | 38.38 ± 3.53 (26–47) | 34.59 ± 3.29 (27–40) | <0.001 |
| Charlson Comorbidity Index | 0.422 ± 0.69 (0–4) | 0.424 ± 0.711 (0–4) | 0.414 ± 0.57 (0–2) | 0.944 |
| Premorbid cognitive reserve | 0.50 ± 0.62 (−1.25–1.90) | 0.56 ± 0.59 (−1.25–1.90) | 0.16 ± 0.64 (−0.9–1.58) | <0.001 |
| STAI-State | 28.24 ± 7.99 (20–59) | 27.86 ± 8.028 (20–59) | 30.63 ± 7.04 (20–44) | 0.094 |
| STAI-Trait | 30.23 ± 7.86 (20–55) | 29.83 ± 7.91 (20–55) | 32.74 ± 7.22 (21–48) | 0.074 |
| BDI-II | 4.6 ± 5.17 (0–30) | 4.40 ± 5.25 (0–30) | 5.85 ± 4.55 (0–17) | 0.176 |
TICS, Telephone Interview for Cognitive Status; STAI, State-Trait Anxiety Inventory; BDI-II, Beck Depression Inventory 2nd Edition.