Table 2. Covariates stratified by Mediterranean diet score.
| Variable | Overall NOMAS MRI Cohort N=966 |
Mediterranean diet score | ||||
|---|---|---|---|---|---|---|
| 0-2 N=112, 12% |
3 N=153, 16% |
4 N=222, 23% |
5 N=227, 23% |
6-9 N=252, 26% |
||
| WMH*† | ||||||
| mean (SD) | 0.69 (0.82) | 0.87 (0.83) | 0.73 (0.95) | 0.71 (0.83) | 0.62 (0.80) | 0.63 (0.74) |
| Sex n (%)* | ||||||
| Male | 393 (41) | 33 (29) | 63 (41) | 92 (41) | 82 (36) | 123 (49) |
| Female | 573 (59) | 79 (71) | 90 (59) | 130 (59) | 145 (64) | 129 (51) |
| Race/ethnicity n (%) | ||||||
| White | 151 (16) | 22 (20) | 25 (16) | 31 (14) | 38 (17) | 35 (14) |
| Black | 169 (17) | 21 (19) | 30 (20) | 36 (16) | 40 (18) | 42 (17) |
| Hispanic | 624 (65) | 67 (60) | 95 (62) | 147 (66) | 147 (65) | 168 (67) |
| Other race | 22 (2) | 2 (2) | 3 (2) | 8 (4) | 2 (1) | 7 (3) |
| High school completion n (%) | ||||||
| Yes | 439 (45) | 49 (44) | 81 (53) | 97 (44) | 99 (44) | 113 (45) |
| No | 527 (55) | 63 (56) | 72 (47) | 125 (56) | 128 (56) | 139 (55) |
| Cigarette smoking n (%) | ||||||
| Current smoker | 152 (16) | 17 (15) | 27 (18) | 38 (17) | 32 (14) | 38 (15) |
| Former smoker | 361 (37) | 39 (35) | 49 (32) | 89 (40) | 94 (41) | 90 (36) |
| Never smoker | 453 (47) | 56 (50) | 77 (50) | 95 (43) | 101 (45) | 124 (49) |
| Physical activity* n (%) | ||||||
| None-light | 859 (89) | 107 (96) | 135 (90) | 194 (87) | 207 (91) | 216 (86) |
| Moderate-Heavy | 103 (11) | 4 (4) | 15 (10) | 28 (13) | 20 (9) | 36 (14) |
| Diabetes n (%) | ||||||
| Yes | 184 (19) | 24 (21) | 28 (18) | 42 (19) | 45 (20) | 45 (18) |
| No | 782 (81) | 88 (79) | 125 (82) | 180 (81) | 182 (80) | 207 (82) |
| History of cardiac disease n (%) | ||||||
| Yes | 168 (17) | 19 (17) | 29 (19) | 41 (18) | 38 (17) | 41 (16) |
| No | 798 (83) | 93 (83) | 124 (81) | 181 (82) | 189 (83) | 211 (84) |
| Age at MRI | ||||||
| mean (SD) | 71.6 (8.3) | 73.2 (7.8) | 71.2 (8.8) | 71.3 (8.4) | 71.7 (8.1) | 71.3 (8.4) |
|
Kcal mean (SD) |
1606.2 (720.8) | 1569.0 (736.3) | 1668.4 (774.8) | 1607.9 (744.1) | 1620.4 (755.6) | 1570.5 (623.1) |
| LDL | ||||||
| mean (SD) | 128.2 (34.7) | 134.0 (35.1) | 130.7 (35.8) | 124.0 (33.7) | 127.4 (37.2) | 128.7 (32.2) |
| HDL | ||||||
| mean (SD) | 46.6 (14.5) | 46.2 (14.8) | 46.9 (15.3) | 46.8 (15.0) | 45.5 (14.0) | 47.4 (14.0) |
| Systolic BP | ||||||
| mean (SD) | 140.7 (19.9) | 143.7 (19.4) | 140.0 (21.2) | 139.9 (21.5) | 140.6 (19.4) | 140.7 (18.2) |
| Diastolic BP | ||||||
| mean (SD) | 83.7 (10.5) | 83.1 (10.1) | 83.8 (10.2) | 83.4 (11.0) | 84.1 (10.3) | 83.9 (10.6) |
*
Difference across MeDi categories p<0.05
†
White matter hyperintensity volume as a percentage of total cranial volume