Table 2.
Characteristics of individuals within quartiles of energy-adjusted dietary costs in the Fenland Study (Mean values and standard deviations; percentages; n 10 020)
| Q1 [0·7–3·6]* | Q2 [3·6–4·1]* | Q3 [4·1–5·0]* | Q4 [5·0–14·9]* | |||||
|---|---|---|---|---|---|---|---|---|
| Mean | sd | Mean | sd | Mean | sd | Mean | sd | |
| Age (years) | 46·7 | 7·5 | 47·4 | 7·4 | 48·3 | 7·4 | 49·0 | 7·2 |
| Sex (% women) | 42·9 | 52·4 | 57·2 | 63·2 | ||||
| Low education (%)† | 26·1 | 21·3 | 21·0 | 21·3 | ||||
| Low income (%)‡ | 18·2 | 13·1 | 11·8 | 11·7 | ||||
| Current smoker (%) | 15·2 | 13·2 | 9·4 | 14·1 | ||||
| Alcohol intake (g/d) | 86·3 | 149·2 | 118·5 | 172·4 | 158·7 | 230·2 | 244·9 | 351·2 |
| Fruit intake (g/d) | 167·7 | 134·0 | 214·1 | 147·5 | 258·5 | 170·7 | 350·0 | 285·8 |
| Vegetable intake (g/d) | 202·6 | 95·7 | 243·1 | 99·1 | 289·3 | 109·1 | 386·6 | 192·7 |
| Combined F&V intake (g/d) | 370·3 | 179·8 | 457·3 | 187·0 | 547·7 | 214·4 | 736·6 | 381·0 |
| Energy intake (MJ/d) | 8·5 | 2·7 | 7·8 | 2·3 | 7·8 | 2·2 | 8·4 | 2·3 |
F&V, fruit and vegetable.
*
Values in brackets indicate the range in crude costs within each quartile. Q1 represents the lowest quartile of dietary costs, whereas Q4 represents the highest quartile of dietary costs.
†
Low education was defined as ‘<11 years of education’ (included no qualifications and general certificate of secondary education). A total of 309 individuals had missing values on educational attainment.
‡
Low income was defined as ‘<£20 000 per year’. A total of 303 individuals had missing values on income.