Table 2.
Baseline Characteristics of REGARDS Participants by Life's Simple 7 Score Tertile and Incident Cognitive Impairment Status (N=17 761)
| Characteristic* | Life's Simple 7 Score Tertile* | Most Recent 3‐Test Measure | |||
|---|---|---|---|---|---|
| 0 to 6 Points (Low) N=5519 | 7 to 8 Points (Middle) N=6445 | 9 to14 Points (High) N=5797 | Impaired N=573 | Not Impaired N=17 188 | |
| Age, y, mean (SD) | 63.4 (8.3) | 64.4 (8.8) | 64.1 (9.2) | 65.1 (10.2) | 64.0 (8.7) |
| Male | 37.6 | 45.1 | 44.8 | 41.2 | 42.7 |
| Black | 47.6 | 37.7 | 23.0 | 33.5 | 36.1 |
| Education | |||||
| Less than high school | 12.8 | 8.8 | 5.2 | 8.2 | 8.9 |
| High school graduate | 29.5 | 26.2 | 19.8 | 24.3 | 25.2 |
| Some college | 29.5 | 26.6 | 25.6 | 28.3 | 27.2 |
| College graduate | 28.2 | 38.3 | 49.4 | 39.3 | 38.8 |
| Income | |||||
| <$20 000/y | 23.4 | 16.1 | 10.8 | 28.8 | 16.2 |
| $20 000 to $34 999/y | 30.0 | 26.6 | 22.3 | 26.2 | 26.2 |
| $35 000 to $74 999/y | 33.0 | 37.6 | 39.7 | 32.0 | 37.0 |
| ≥$75 000/y | 13.7 | 19.7 | 27.2 | 12.9 | 20.5 |
| Residing in stroke belt | 56.4 | 53.8 | 54.9 | 66.0 | 54.6 |
| Atrial fibrillation | 8.8 | 7.7 | 6.6 | 9.6 | 7.6 |
| Left ventricular hypertrophy | 6.2 | 4.9 | 3.0 | 6.6 | 4.6 |
| Atherosclerotic disease* | 21.7 | 19.0 | 14.8 | 25.6 | 18.2 |
REGARDS indicates REasons for Geographic And Racial Differences in Stroke; y, year.
*
Column percentages, unless otherwise noted.
*
Numbers of participants in each tertile are averaged across imputed data sets.
*
Atherosclerotic disease was defined as coronary artery disease, carotid artery disease, peripheral arterial disease, or transient ischemic attack.