Relation of baseline level of function in different cognitive domains to risk of incident AD*
| Cognitive domain | Separate models | Single model | ||||||
|---|---|---|---|---|---|---|---|---|
| Estimate (SE) | χ2 | p | RR (95% CI) | Estimate (SE) | χ2 | p | RR (95% CI) | |
| *Estimated from accelerated failure models adjusted for age, sex, and education. | ||||||||
| CI, confidence interval; RR, relative risk. | ||||||||
| Episodic memory | 0.72 (0.13) | 33.2 | <0.001 | 0.39 (0.28 to 0.54) | 1.12 (0.15) | 55.6 | <0.001 | 0.18 (0.11 to 0.28) |
| Semantic memory | 0.38 (0.14) | 7.0 | 0.008 | 0.62 (0.43 to 0.88) | 0.13 (0.15) | 0.8 | 0.370 | 0.81 (0.52 to 1.28) |
| Working memory | 0.42 (0.15) | 8.0 | 0.005 | 0.59 (0.41 to 0.85) | 0.07 (0.15) | 0.2 | 0.651 | 0.90 (0.57 to 1.42) |
| Perceptual memory | 0.43 (0.12) | 12.2 | <0.001 | 0.57 (0.42 to 0.78) | 0.36 (0.12) | 8.3 | 0.004 | 0.58 (0.40 to 0.84) |
| Visuospatial ability | −0.16 (0.12) | 1.7 | 0.198 | 1.22 (0.90 to 1.66) | 0.07 (0.11) | 0.4 | 0.536 | 0.90 (0.63 to 1.27) |