Table 3.
Right Ear Minus Left Ear Free Recall Dichotic Digits Test Scores (%) Age-Sex Adjusted Mean Difference by Potential Related Factors
| Free Recall Right-Left Ear Difference (%) |
||
|---|---|---|
| Mean | p-value† | |
|
| ||
| Overall | 14.7 | - |
| Categorically Measured Factors
| ||
| Cardiovascular Disease History | 0.03 | |
|
| ||
| Yes | 16.9 | |
|
| ||
| No | 14.4 | |
|
| ||
| Hypertension | 0.39 | |
|
| ||
| Yes | 14.9 | |
|
| ||
| No | 14.3 | |
|
| ||
| Diabetes | < 0.001 | |
|
| ||
| Yes | 17.5 | |
|
| ||
| No | 14.2 | |
|
| ||
| Obesity (Body Mass Index >=30.0) | 0.20 | |
|
| ||
| Yes | 15.1 | |
|
| ||
| No | 14.2 | |
|
| ||
| Smoking Status | 0.55 | |
|
| ||
| Never | 14.4 | |
|
| ||
| Former | 15.1 | |
|
| ||
| Current | 14.3 | |
|
| ||
| Ever Heavy Alcohol | 0.03 | |
|
| ||
| Yes | 16.2 | |
|
| ||
| No | 14.3 | |
|
| ||
| Exercise at Least 1x/wk | 0.61 | |
|
| ||
| Yes | 14.5 | |
|
| ||
| No | 14.9 | |
|
| ||
| Mean Intima-media Thickness (tertiles) | 0.56 | |
|
| ||
| 1 | 15.3 | |
|
| ||
| 2 | 14.5 | |
|
| ||
| 3 | 14.2 | |
|
| ||
| Plaque Count | 0.96 | |
|
| ||
| 0 | 14.7 | |
|
| ||
| 1–3 | 14.7 | |
|
| ||
| 4–6 | 14.3 | |
|
Continuously Measured Factors | ||
| Free Recall Right-Left Ear Difference (%) |
||
| β | p-value | |
|
| ||
| Alcohol Consumption/Week (β: per 25 gm) | −0.04 | 0.65 |
|
| ||
| Non-HDL Cholesterol (β: per 10 mg/dL) | −0.21 | 0.02 |
|
| ||
| Pulse Wave Velocity - Femoral (β: per 1 m/s) | 0.36 | < 0.01 |