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Top five food sources of retinol and carotenes among case and control subjects.
| Food Sources | Proportion (%) | |
|---|---|---|
| Cases | Controls | |
| Retinol | ||
| Animal offal | 52.8 | 54.0 |
| Eggs | 20.9 | 20.3 |
| Dairy products | 3.9 | 5.7 |
| Lean hogs | 4.8 | 3.9 |
| Freshwater fish | 3.7 | 3.6 |
| Sub-total | 86.1 | 87.5 |
| Carotenes | ||
| Leafy green vegetables | 70.5 | 73.1 |
| Carrots | 15.7 | 13.3 |
| Melon and fruit vegetables | 4.3 | 3.9 |
| Tomatoes | 2.3 | 2.7 |
| Citrus fruits | 1.8 | 1.7 |
| Sub-total | 94.6 | 94.7 |
