Table 2.
Whole grain intake by socio-economic classification measured by National Statistics Socio-economic Classification (NS-SEC)* (Number of subjects, percentages, medians, interquartile range (IQR); minimum (Min) and maximum (Max) values)
| Whole grain (g/d) | ||||||
|---|---|---|---|---|---|---|
| Social class using NS-SEC | n | % | Median | IQR | Min | Max |
| 1. Higher managerial and professional occupations | 446 | 15 | 24 | 10–40 | 0 | 220 |
| 2. Lower managerial and professional occupations | 833 | 28 | 18 | 7–34 | 0 | 142 |
| 3. Intermediate occupations | 256 | 8 | 17 | 4–31 | 0 | 158 |
| 4. Small employers and own account workers | 330 | 11 | 15 | 3–30 | 0 | 157 |
| 5. Lower supervisory and technical occupations | 327 | 11 | 15 | 5–34 | 0 | 156 |
| 6. Semi-routine occupations | 404 | 13 | 14 | 2–29 | 0 | 181 |
| 7. Routine occupations | 333 | 11 | 8 | 1–21 | 0 | 286 |
| 8. Never worked | 79 | 3 | 8 | 1–22 | 0 | 99 |
| All | 3008 | 16 | 4 – 32 | 0 | 286 |
*
Median whole grain intake distribution across all NS-SEC groups (P< 0·001; Kruskal–Wallis equality test).