Table 1 Characteristics of recruited sites
| Â | Site | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Â | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
Type of site | Office | Manufacturing & Office | Depot | Office | Manufacturing | Manufacturing & Office | Depot | Manufacturing | Depot |
No of employees | 748 | 1154 | 668 | 956 | 477 | 269 | 1300 | 541 | 1060 |
Percentage that are full time | 90.5 | 98.2 | 97.0 | 89.5 | 96.0 | 94.8 | 90.3 | 97.2 | 88.5 |
Mean agea | 38.0 | 38.3 | 45.5 | 36.7 | 36.5 | 38.5 | 45.5 | Missing | 40.5 |
Percentage that are female | 47.9 | 39.7 | 12.7 | 60.8 | 10.3 | 38.3 | 12.9 | 7.9 | 24.8 |
Predominant occupational groupb | C1&C2 | A&B | D&E | A&B | D&E | C1&C2 | C1&C2 | D&E | D&E |
Mean cost of main meal (£) | 3.25 | 3.34 | 2.75 | 3.25 | 2.83 | 3.00 | 1.20 | 2.53 | 1.28 |