Table 1.
Characteristics of the Study Population of the POLYNTAKE Cohort
| Characteristics | Men | Women | Total |
|---|---|---|---|
| Mean (SD)/ n (%) | Mean (SD)/ n (%) | Mean (SD)/ n (%) | |
| Age (years) (mean, SD) | 52.3 (16.9) | 50.8 (18.3) | 51.5 (17.7) |
| Ethnicity (n, %) | |||
| White | 72 (73.5) | 93 (77.5) | 165 (75.7) |
| Black | 7 (7.1) | 6 (5.0) | 13 (6.0) |
| Asian | 12 (12.2) | 20 (16.7) | 32 (14.7) |
| Mixed | 7 (7.1) | 1 (0.8) | 8 (3.7) |
| Energy intake (kcal/d) (mean, SD) | 1724.4 (486.0) | 1474.5 (417.6) | 1586.9 (465.6) |
| Sample (n, %) | |||
| 24 h urine | 98 (45.0) | 120 (55.0) | 218 |
| Plasma * | 89 (45.6) | 106 (54.4) | 195 |
| Plant-rich dietary scores (mean, SD) | |||
| DASH | 23.8 (5.4) | 26.4 (4.3) | 25.3 (5.0) |
| MIND | 8.1 (1.5) | 9.0 (1.6) | 8.6 (1.6) |
| O-MED | 4.2 (1.9) | 4.5 (1.8) | 4.4 (1.9) |
| A-MED | 4.3 (2.0) | 4.6 (2.1) | 4.5 (2.1) |
| PDI | 52.1 (5.9) | 50.6 (6.2) | 51.3 (6.1) |
| hPDI | 51.8 (8.1) | 55.6 (7.7) | 53.9 (8.1) |
| uPDI | 51.2 (7.0) | 49.4 (6.9) | 50.2 (7.0) |
*: A total of 195 participants had plasma samples additionally collected. DASH, Dietary Approaches to Stop Hypertension; MIND, Mediterranean-DASH Intervention for Neurodegenerative Delay; O-MED, Original Mediterranean Score; A-MED, Amended Mediterranean Score; PDI, Plant-based Diet Index; hPDI, Healthy Plant-based Diet Index; uPDI, unhealthy Plant-based Diet Index