Table 3. Prediction of cognitive declinea using Sniffin' Sticks discrimination in multiple logistic regression analysis (N=282)b.
| Factors | B | s.e. | Wald | df | P* | OR |
95% CI
for OR |
|
|---|---|---|---|---|---|---|---|---|
| Lower | Upper | |||||||
| Sex | −0.005 | 0.340 | 0.000 | 1 | 0.988 | 0.995 | 0.511 | 1.937 |
| APOE genotypes | −0.518 | 0.323 | 2.579 | 1 | 0.108 | 0.596 | 0.316 | 1.121 |
| Age at baseline | 0.031 | 0.023 | 1.846 | 1 | 0.174 | 1.035 | 0.986 | 1.078 |
| Education years | −0.008 | 0.042 | 0.039 | 1 | 0.843 | 0.992 | 0.912 | 1.078 |
| MMSE | −0.140 | 0.132 | 1.119 | 1 | 0.290 | 0.870 | 0.617 | 1.127 |
| SS-D | −0.141 | 0.066 | 4.582 | 1 | 0.032* | 0.869 | 0.764 | 0.988 |
Abbreviations: CAMCOG-R, The Revised Cambridge Cognitive Examination; CI, confidence interval; MMSE, Mini Mental State Examination; OR, odds ratio; SS-D, Sniffin' Sticks discrimination.
a
Cognitive decline was considered as a score ⩾1 s.d. below baseline performance on the CAMCOG-R in the last assessment.
b
N was 308; however, only 282 were entered in the actual analysis.
*P< 0.05.