Table 4.
Multivariable logistic regression in the whole cohort and the young-onset cohort.
| Whole cohort | Young-onset cohort | |||||
|---|---|---|---|---|---|---|
| Variables | p | OR/β | 95% CI | p | OR/β | 95% CI |
| Dementia subtypes | 0.026* | 0.152 | ||||
| Unspecified NCD | 1/0 | 1/0 | ||||
| AD | 0.056 | 0.43/-0.37 | 0.18–1.02 | 0.121 | 0.46/-0.34 | 0.17–1.23 |
| FTD | 0.028* | 0.23/-0.64 | 0.06–0.85 | 0.012* | 0.25/-0.60 | 0.09–0.74 |
| VD | 0.248 | 0.52/-0.28 | 0.18–1.57 | 0.261 | 0.45/-0.35 | 0.11–1.82 |
| MDD | 0.005* | 0.23/-0.64 | 0.08–0.63 | 0.998 | – | – |
| Onset age of ≤50 | 0.023* | 2.29/0.36 | 1.12–4.68 | 0.024* | 2.59/0.41 | 1.13–5.91 |
| Current smoking | 0.038* | 2.18/0.34 | 1.04–4.57 | 0.006* | 3.23/0.51 | 1.39–7.47 |
| Constant | 0.000 | 0.14/0.85 | 0.000 | 0.11/-0.96 | ||
AD, Alzheimer disease; FTD, frontotemporal dementia; VD, Vascular dementia; MDD, Movement disorder associated dementia; OR, Odds ratio; CI, confidence interval.