Table 3.
Correlation matrix of all predictors included in survival analyses using binary logistic regression and multilevel model (n = 64)
| (1) | (2) | (3) | (4) | (5) | (6) | (7) | |
|---|---|---|---|---|---|---|---|
| (1) Age | |||||||
| (2) Sex (0 = male, 1 = female) | −0.20 (0.11) | ||||||
| (3) Number of children | 0.29 (0.03) | − 0.10 (0.47) | |||||
| (4) Motivational abilities a | − 0.09 (0.48) | 0.25 (0.05) | 0.04 (0.79) | ||||
| (5) Executive function b | 0.28 (0.03) | −0.07 (0.58) | 0.14 (0.31) | −0.004 (0.97) | |||
| (6) Education (years) | 0.02 (0.88) | −0.33 (0.01) | 0.22 (0.11) | −0.25 (0.05) | − 0.23 (0.07) d | ||
| (7) MCI subtype (0 = a; 1 = n-a.) | − 0.30 (0.02) | 0.21 (0.10) | − 0.18 (0.18) | − 0.22 (0.09) d | − 0.22 (0.09) d | 0.10 (0.46) | |
| (8) Cardiovascular risk c | 0.24 (0.10) | 0.05 (0.76) | −0.08 (0.64) | 0.11 (0.48) | 0.10 (0.50) | 0.03 (0.84) | 0.17 (0.27) |
The bold values indicate a statistically significant correlation with a p-value less than 0.05
a amnestic, MCI mild cognitive impairment, n-a. non-amnestic
a Composite measure including informant-rated motivational abilities at baseline (t1)
b Interference score of the Stroop Color-Word Test
c Composite measure including the diagnosis of diabetes mellitus, elevated cholesterol and high blood pressure
d marginally significant
Values in brackets indicate p-values