Table 1.
Free Recall Dichotic Digits Test Score (%) Age-Sex Adjusted Means by Potential Related Factors
| N (%) | Free Recall (%)
|
||
|---|---|---|---|
| Mean | p-value† | ||
|
| |||
| Overall | 3655 (100.0) | 76.7 | - |
| Categorically Measured Factors
| |||
| Cardiovascular Disease History | < 0.01 | ||
|
| |||
| Yes | 343 (9.4) | 74.9 | |
|
| |||
| No | 3294 (90.6) | 76.9 | |
|
| |||
| Hypertension | 0.24 | ||
|
| |||
| Yes | 1888 (51.9) | 76.5 | |
|
| |||
| No | 1752 (48.1) | 77.0 | |
|
| |||
| Diabetes | < 0.0001 | ||
|
| |||
| Yes | 512 (14.0) | 74.1 | |
|
| |||
| No | 3135 (86.0) | 77.1 | |
|
| |||
| Obesity (Body Mass Index >=30.0) | < 0.001 | ||
|
| |||
| Yes | 1785 (49.9) | 76.1 | |
|
| |||
| No | 1791 (50.1) | 77.4 | |
|
| |||
| Smoking Status | 0.40 | ||
|
| |||
| Never | 1882 (51.6) | 76.7 | |
|
| |||
| Former | 1351 (37.0) | 76.8 | |
|
| |||
| Current | 416 (11.4) | 76.0 | |
|
| |||
| Ever Heavy Alcohol | < 0.001 | ||
|
| |||
| Yes | 731 (20.5) | 75.1 | |
|
| |||
| No | 2836 (79.5) | 77.0 | |
|
| |||
| Exercise at Least 1x/wk | < 0.0001 | ||
|
| |||
| Yes | 2025 (55.5) | 77.6 | |
|
| |||
| No | 1622 (44.5) | 75.5 | |
|
| |||
| Mean Intima-media Thickness (tertiles) | 0.24 | ||
|
| |||
| 1 | 1201 (33.3) | 76.3 | |
|
| |||
| 2 | 1204 (33.4) | 77.2 | |
|
| |||
| 3 | 1201 (33.3) | 76.9 | |
|
| |||
| Plaque Count | 0.26 | ||
|
| |||
| 0 | 1536 (43.5) | 77.1 | |
|
| |||
| 1–3 | 1618 (45.8) | 76.9 | |
|
| |||
| 4–6 | 377 (10.7) | 75.9 | |
|
Continuously Measured Factors | |||
| Mean (S.D.) | Free Recall (%)
|
||
| β | p-value | ||
|
| |||
| Alcohol Consumption/Week (β: per 25 gm) | 50.8 (95.1) | 0.19 | < 0.001 |
|
| |||
| Non-HDL Cholesterol (β: per 10 mg/dL) | 143.5 (39.1) | 0.08 | 0.11 |
|
| |||
| Pulse Wave Velocity - Femoral (β: per 1 m/s) | 9.8 (2.7) | −0.03 | 0.68 |