Results of multiple logistic regression analysis with age at examination included
| Odds ratio | 95% CI | Wald χ 2 | p Value | Effect | |
|---|---|---|---|---|---|
| Age at examination | 1.77 | 1.21 - 2.57 | 8.91 | 0.0028 | 10 year increase |
| Sex | 2.02 | 1.03 - 3.98 | 4.15 | 0.042 | female increase relative to male |
| Education | 0.95 | 0.83 - 1.09 | 0.53 | 0.47 | 1 year increase |
| Duration of illness | 1.12 | 0.98 - 1.28 | 2.88 | 0.09 | 12 month increase |
| ApoE ε4 positive | 1.05 | 0.59 - 1.88 | 0.03 | 0.86 | ε4+ increase relative to ε4- |
| MMSE | 0.94 | 0.88 - 0.99 | 4.88 | 0.027 | 1 point increase |
CI = confidence interval; ApoE = apolipoprotein E; MMSE = mini mental state examination.