Table 2.
Baseline Demographic Characteristics
| Group | N | Age, Mean ± SD | Female, % | Mean ± SD
|
ApoE4 Carrier, n/N (%)* | Mean ± SD
|
Depression During Follow-Up, n (%) | ||
|---|---|---|---|---|---|---|---|---|---|
| Education, Years | Number of Visits | Follow-Up, Years† | Baseline Mini-Mental State Examination Score | ||||||
| NL-NL | |||||||||
|
| |||||||||
| Total | 321 | 75.9 ± 6.6 | 64.4 | 16.1 ± 2.2 | 3.7 ± 1.0 | 65/215 (30) | 7.9 ± 6.8 | 29.2 ± 1.1 | — |
|
| |||||||||
| Insomnia | 70 | 77.4 ± 6.3 | 72.9 | 15.9 ± 2.1 | 3.3 ± 1.7 | 15/54 (28) | 7.7 ± 5.1 | 29.1 ± 1 | 18/70 (26) |
|
| |||||||||
| NL-AD | |||||||||
|
| |||||||||
| Total | 25 | 76.0 ± 5.4 | 62.5 | 14.8 ± 2.9 | 2.7 ± 1.0 | 7/21 (33) | 5.7 ± 3.8 | 28.8 ± 1.1 | — |
|
| |||||||||
| Insomnia | 10 | 77.9 ± 4.7 | 80.0 | 14.7 ± 2.8 | 2.9 ± 1.4 | 1/6 (17) | 5.2 ± 3.1 | 28.8 ± 0.8 | 1/10 (10) |
*
Missing values in 110 participants; n = ApoE4 carriers, N = total number of participants for whom ApoE4 information was available.
†
P<.05.
SD = standard deviation; NL = normal; AD = Alzheimer’s disease.