| Eczema (n = 4953) | |
| At 6 months | 692 (13.9) |
| At 12 months | 1033 (20.9) |
| Food allergy (n = 4944) | |
| Any food allergy | 241 (4.9) |
| Cow’s milk | 194 (3.9) |
| Eggs | 126 (2.5) |
| Fruit or vegetables | 41 (0.83) |
| Cereals | 18 (0.36) |
| Fish | 14 (0.28) |
| Soy protein | 12 (0.24) |
| Peanuts | 10 (0.20) |
| Peas | 9 (0.18) |
| Nuts or almonds | 8 (0.16) |
| Pets in the home (n = 4987) | |
| Cat | 1076 (21.6) |
| Dog | 729 (14.6) |
| Rodent | 162 (3.2) |
| Bird | 113 (2.3) |
| Main type of fat on bread (n = 4893) | |
| Butter | 3488 (71.3) |
| Margarine | 1164 (23.8) |
| Nil | 241 (4.9) |
| Frequency of lactic acid (yoghurt, fermented vegetables, | |
| etc) in the diet (n = 4929) | |
| 3+ Times/week | 2497 (50.7) |
| 1–3 Times/week | 1439 (29.2) |
| 1–3 Times/month | 531 (10.8) |
| Occasionally | 161 (3.3) |
| Never | 301 (6.1) |
| Frequency of fish consumption (n = 4953) | |
| 3+ Times a week | 250 (5.0) |
| 1–3 Times a week | 2995 (60.5) |
| 1–3 Times a month | 1296 (26.2) |
| A few times a year | 217 (4.4) |
| Never | 195 (3.9) |
| Type of fish usually consumed (n = 4473) | |
| Lean fish (cod, haddock) | 3516 (78.6) |
| Salmon | 772 (17.3) |
| Flatfish | 140 (3.1) |
| Mackerel or herring | 45 (1.0) |