Table 2.
Odds of PD-MCI (diagnosed with and without the requirement for a cognitive complaint) based on education and IQ
| Variable | Odds ratio of PD-MCI with a cognitive complaint (95% CI); p value | Odds ratio of PD-MCI without a cognitive complaint (95% CI); p value | ||
|---|---|---|---|---|
| univariable analysis | multivariable analysisa | univari able analysis | multivariable analysisa | |
| YOE (1-year increment) | 0.83 (0.71–0.97); 0.02 | 1.06 (0.85–1.31); 0.63 | 0.84 (0.71–0.99); 0.03 | 0.94 (0.75–1.17); 0.57 |
| High educationb | 0.19 (0.06–0.61); 0.005 | 0.46 (0.12–1.78); 0.26 | 0.15 (0.03–0.69); 0.01 | 0.24 (0.04–1.30); 0.10 |
| IQ (5-point increment) | 0.61 (0.47–0.79); 0.0002 | YOE model: 0.60 (0.44–0.83); 0.002 High-education model: 0.67 (0.50–0.89); 0.006 | 0.68 (0.52–0.88); 0.004 | YOE model: 0.67 (0.47–0.94); 0.02 High-education model: 0.70 (0.51–0.96); 0.03 |
Variables in the model included education level (YOE or high education), IQ, age, gender, and total MDS-UPDRS score.
High education is defined as 1 year of post-secondary education or more.