Table 1 Characteristics of the Study Cohort within the REasons for Geographic and Racial Differences in Stroke (REGARDS) Study by Climate Region
Characteristic | Dry | Continental | Tropics | Mediterranean/oceanic | Overall |
|---|---|---|---|---|---|
N (%), unless otherwise specified | |||||
Participants (N) | 485 | 5026 | 13,494 | 1682 | 20,687 |
Age, mean (SD), yearsa | 68.9 (9.5) | 68.3 (9.3) | 67.5 (9.1) | 68.3 (9.8) | 67.8 (9.2) |
Sex, female | 247 (50.9) | 2711 (53.9) | 7794 (57.8) | 1024 (60.9) | 11,776 (56.9) |
Race, Black | 43 (8.9) | 2111 (42.0) | 5062 (37.5) | 759 (45.1) | 7975 (38.6) |
Education | |||||
Less than high school | 13 (2.7) | 461 (9.2) | 1478 (11.0) | 58 (3.5) | 2010 (9.7) |
High school graduate | 92 (19.0) | 1355 (27.0) | 3490 (25.9) | 231 (13.7) | 5168 (25.0) |
Some College | 140 (28.9) | 1347 (26.8) | 3569 (26.5) | 515 (30.6) | 5571 (26.9) |
College graduate and above | 240 (49.5) | 1863 (37.1) | 4957 (36.7) | 878 (52.2) | 7938 (38.4) |
Temperature on day of test in °C, mean (SD)b | 15.2 (9.1) | 10.6 (10.8) | 17.5 (8.4) | 15.5 (6.2) | 15.6 (9.4) |
Composite cognitive score, meanc | 0.1 (0.9) | −0.05 (0.9) | −0.09 (1.0) | 0.05 (0.9) | − 0.06 (1.0) |