Table 1 Sociodemographic characteristics by individual and household educational level of the EPIC-NL study population
From: To what extent do dietary costs explain socio-economic differences in dietary behavior?
| Sociodemographic characteristics |
Low education level (N = 5435) |
Middle education level (N = 1002) |
High education level (N = 2838) |
Low household education level (N = 4316) |
Middle household education level (N = 1012) |
High household education level (N = 3954) |
Total (N = 9306) |
|---|---|---|---|---|---|---|---|
| Mean age in years (SD) | 71.6 (8.8) | 64.6 (13.2) | 67.3 (9.9) | 71.6 (8.8) | 65.1 (13.1) | 68.4 (9.9) | 69.6 (10.0) |
| Sex (% female) | 47.3 | 8.3 | 21.8 | 36.7 | 7.8 | 32.8 | 77.4 |
| Mean energy intake in kcal/day (SD) | 1850 (652) | 1999 (646) | 2023 (630) | 1847 (662) | 2017 (693) | 1973 (616) | 1919 (650) |
| Study center (in %) | |||||||
| Amsterdam | 6.6 | 2.9 | 8.7 | 5.6 | 2.6 | 10.0 | 18.1 |
| Doetinchem | 7.2 | 1.0 | 2.4 | 6.2 | 1.2 | 3.2 | 10.5 |
| Maastricht | 11.4 | 2.9 | 6.8 | 9.4 | 3.0 | 8.7 | 21.1 |
| Utrecht | 33.4 | 4.2 | 12.7 | 25.4 | 4.2 | 20.7 | 50.3 |
| Mean dietary cost in €/day (SD) | 4.9 (1.7) | 5.4 (1.6) | 5.5 (1.6) | 4.8 (1.7) | 5.3 (1.7) | 5.4 (1.6) | 5.1 (1.7) |
| DHD15-index (SD)a | 63.2 (15.5) | 67.2 (15.9) | 72.0 (15.2) | 62.2 (15.5) | 65.3 (15.7) | 70.9 (15.4) | 66.2 (16.0) |
| DASH score (SD)b | 20.1 (4.3) | 21.2 (4.3) | 22.5 (4.2) | 20.0 (4.3) | 20.8 (4.3) | 22.1 (4.3) | 21.0 (4.4) |