Results of multiple logistic regression analysis with age at onset included
| Odds ratio | 95% CI | Wald χ 2 | p Value | Effect | |
|---|---|---|---|---|---|
| Age at onset | 1.73 | 1.19 - 2.52 | 8.33 | 0.0039 | 10 year increase |
| Sex | 2.01 | 1.03 - 3.96 | 4.12 | 0.042 | female increase relative to male |
| Education | 0.95 | 0.83 - 1.09 | 0.58 | 0.45 | 1 year increase |
| Duration of illness | 1.18 | 1.03 - 1.36 | 5.71 | 0.017 | 12 month increase |
| ApoE ε4 positive | 1.06 | 0.59 - 1.88 | 0.03 | 0.86 | ε4+ increase relative to ε4- |
| MMSE | 0.94 | 0.88 - 0.99 | 4.77 | 0.029 | 1 point increase |
CI = confidence interval; ApoE = apolipoprotein E; MMSE = Mini-Mental State Examination.