Table 1.
Demographic and clinical characteristics of the study participants at baseline.
| Mean ± SD (Range)/Frequency (%) | |
|---|---|
| Numbers | 1,184 |
| Age, years | 73.5 ± 5.7 (60–80) |
| Female:Male | 731:453 |
| Education, years | 8.4 ± 4.5 (0–23) |
| MMSE | 22.8 ± 3.4 (9–30) |
| SGDS | 6.1 ± 3.5 (0–15) |
| Family history of dementia | 141 (11.9) |
| MBI-positive | 623 (52.6) |
| Decreased motivation | 150 (12.7) |
| Affective dysregulation | 560 (47.3) |
| Impulse dyscontrol | 168 (14.2) |
| Social inappropriateness | 52 (4.4) |
| Abnormal perception/thought content | 52 (4.4) |
| Follow-up, years | 3.1 ± 2.0 (0.9–9.4) |
| Progression to AD | 284 (24) |
SD, standard deviation; MMSE, mini-mental state examination; SGDS, short form of geriatric depression scale; MBI, mild behavioral impairment; AD, Alzheimer’s disease.