Table 6.
Stepwise logistic regression analysis of MF occupational classifications and MMSE Score: main effects and interactions
| Variable (Classes) | Risk Factors In Model | Odds Ratio (per unit) | P-Value | 95% CI |
|---|---|---|---|---|
| L vs M/H MF | MF × Smoke Hx | 3.2 | < 0.02 | 1.2 – 6.8 |
| 65–74, 75–84, 85+ | Age Group × Stroke Hx | 3.0 | < 0.02 | 1.7 – 5.4 |
| Age Group | 3.0 | < 0.0001 | 2.0 – 4.7 | |
| L vs M/H MF | MF × Age Group | 3.0 | < 0.02 | 1.2 – 7.9 |
| 65–74, 75+ | Age Group × Stroke Hx | 5.1 | < 0.0001 | 2.3 – 11.4 |
| Age Group × Smoke Hx | 3.7 | < 0.0001 | 1.9 – 7.1 | |
| Hearing × Gender (Women*) | 2.5 | < 0.02 | 1.2 – 5.2 | |
| L vs H MF | MF × Smoke Hx | 8.9 | < 0.0001 | 2.7 – 29.5 |
| 65–74, 75–84, 85+ | Age Group × Stroke Hx | 3.0 | < 0.0001 | 1.6 – 5.4 |
| Age Group | 3.0 | < 0.0001 | 1.9 – 4.7 | |
| L vs H MF | MF × Age Group | 6.8 | 0.0006 | 2.3 – 20.4 |
| 65–74, 75+ | Age Group × Stroke Hx | 5.0 | < 0.0001 | 2.2 – 11.4 |
| Age Group × Smoke Hx | 3.9 | 0.0002 | 2.0 – 7.4 | |
| Hearing × Gender (Women*) | 2.3 | < 0.03 | 1.1 – 4.8 | |
| L vs M/H MF | MF × Smoke Hx | 4.6 | < 0.005 | 1.6 – 13.0 |
| 75+ | Stroke Hx | 5.0 | < 0.0001 | 2.2 – 11.0 |
| L vs H MF | MF × Smoke Hx | 17.8 | < 0.0001 | 4.6 – 69.1 |
| 75+ | Stroke Hx | 5.2 | < 0.0001 | 2.3 – 11.8 |
*
In the analyses, women were coded as 1 and men were coded as 0.