Participant features, overall and by Alternative Healthy Eating Index (AHEI) 2010 tertile
| Feature | All | AHEI tertile | P value* | ||
| ≤46.9 | 46.9–56.5 | ≥56.6 | |||
| n=95 | n=32 | n=32 | n=31 | ||
| AHEI, range | 30.9–77.2 | 30.9–46.8 | 46.9–56.5 | 56.6–77.2 | |
| Mean, SD | 52.7 (10.1) | 42.6 (3.9) | 50.9 (2.8) | 65.0 (5.4) | <0.001 |
| Women | 44 (46.3) | 13 (40.6) | 17 (53.1) | 14 (45.2) | 0.61 |
| Age, mean (SD) | 65.9 (15.5) | 61.9 (14.1) | 68.8 (15.4) | 66.9 (16.5) | 0.18 |
| Education | |||||
| Less than high school | 8 (8.4) | 5 (15.6) | 1 (3.1) | 2 (6.5) | 0.14 |
| High school graduate | 30 (31.6) | 13 (40.6) | 13 (40.1) | 4 (12.9) | |
| More than high school | 57 (60.0) | 14 (43.8) | 18 (56.3) | 25 (80.6) | |
| Race | |||||
| White | 75 (79.0) | 22 (68.7) | 27 (84.4) | 26 (83.9) | 0.33 |
| Black | 15 (15.8) | 6 (18.8) | 5 (15.6) | 4 (12.9) | |
| Other | 5 (5.2) | 4 (12.5) | 0 | 1 (3.2) | |
| Body mass index (kg/m2)† | 29.1 (6.4) | 30.1 (7.8) | 27.4 (6.4) | 28.5 (5.6) | 0.38 |
| Prior stroke or TIA | 20 (21.1) | 4 (12.5) | 10 (31.3) | 6 (19.4) | 0.18 |
| Hypertension history | 66 (69.5) | 24 (75) | 20 (62.5) | 22 (71) | 0.54 |
| Hyperlipidaemia history | 60 (63.2) | 22 (68.8) | 20 (62.5) | 18 (58.1) | 0.68 |
| Diabetes | 25 (26.3) | 23 (71.2) | 23 (71.2) | 24 (77.4) | 0.85 |
| Atrial fibrillation | 18 (19.0) | 2 (6.3) | 7 (21.9) | 9 (29.0) | 0.06 |
| Stroke (vs TIA) | 78 (83) | 26 (81.3) | 27 (84.4) | 25 (80.6) | 0.91 |
| NIHSS (mean, SD)‡ | 4 (5) | 5 (5) | 4 (5) | 2 (3) | 0.02 |
Values are n (%) unless otherwise specified.
*P value from ANOVA for continuous and χ2 for categorical variables.
†Includes 92 participants with measured weight for BMI.
‡Includes 87 participants with NIHSS score.
AHEI, Alternative Health Eating Index; ANOVA, analysis of variance; BMI, body mass index; NIHSS, NIH Stroke Scale; TIA, transient ischaemic attack.