Table 3 Prediction of cognitive declinea using Sniffin’ Sticks discrimination in multiple logistic regression analysis (N=282)b

From: Olfactory discrimination predicts cognitive decline among community-dwelling older adults

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

  1. Abbreviations: CAMCOG-R, The Revised Cambridge Cognitive Examination; CI, confidence interval; MMSE, Mini Mental State Examination; OR, odds ratio; SS-D, Sniffin’ Sticks discrimination.
  2. aCognitive decline was considered as a score ⩾1 s.d. below baseline performance on the CAMCOG-R in the last assessment.
  3. bN was 308; however, only 282 were entered in the actual analysis.
  4. *P< 0.05.
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