TABLE 2.
Baseline characteristics by Quartile (Q) of Southern Diet Score in the REasons for Geographical and Racial Differences in Stroke (REGARDS) Study.
| Characteristic, mean or frequency (%) | Q1 n (%) (lowest adherence) N=5349 |
Q2 n (%) N=5349 |
Q3 n (%) N=5350 |
Q4 n (%) (highest adherence) N=5349 |
P-value |
|---|---|---|---|---|---|
| Range of Southern Diet Score | −4.42, −0.61 | −0.61, −0.10 | −0.10, 0.48 | 0.48, 8.25 | --- |
| Age (years), mean | 65 (9) | 65 (9) | 65 (9) | 64 (9) | <0.0001 |
| Black | 425 (7.3) | 1047 (18.0) | 1775 (30.6) | 2563 (44.1) | <0.0001 |
| Male | 1623 (21.2) | 1713 (22.4) | 1985 (25.9) | 2337 (30.5) | <0.0001 |
| Stroke belt region | 1999 (21.6) | 2246 (24.2) | 2412 (26.0) | 1585 (21.1) | <0.0001 |
| HS grad and below | 971 (17.1) | 1240 (21.8) | 1535 (27.0) | 1940 (34.1) | <0.0001 |
| Income <$75K/year | 2995 (22.2) | 3293 (24.4) | 3523 (26.1) | 3711 (27.4) | <0.0001 |
| Current smoker | 353 (15.0) | 471 (20.1) | 636 (27.1) | 887 (37.8) | <0.0001 |
| Living in food desert | 390 (15.3) | 499 (19.6) | 718 (28.2) | 940 (36.9) | <0.0001 |
| Neighborhood disadvantage | 1278 (15.5) | 1791 (21.8) | 2332 (28.3) | 2834 (34.4) | <0.0001 |
| Rural | 507 (25.3) | 532 (26.6) | 488 (24.4) | 474 (23.7) | 0.232 |
| Reporting no physical activity | 1137 (21.2) | 1351 (25.2) | 1404 (26.2) | 1472 (27.4) | <0.0001 |
| BMI (kg/m 2 ) | 27.7 (5.5) | 28.8 (5.9) | 29.4 (6.0) | 30.6 (6.7) | <0.0001 |
| Female | 87.4 (14.8) | 90.8 (15.3) | 93.5 (15.6) | 98.2 (16.4) | |
| History of hypertension | 2131 (20.3) | 2509 (23.9) | 2834 (27.0) | 3016 (28.8) | <0.0001 |
| History of diabetes | 608 (16.2) | 836 (22.3) | 1021 (27.2) | 1283 (34.2) | <0.0001 |
BMI indicates body mass index; and HS, high school.