Prevalence of preschool wheezing, transient wheezing, atopy, and eczema at age 5½ according to timing of introduction of solids and breast feeding response
| Preschool wheezing (%) | p value* | Transient wheezing (%) | p value* | Atopy (%) | p value* | Eczema (%) | p value* | |
|---|---|---|---|---|---|---|---|---|
| *p values of χ2 test; n, number of observations. | ||||||||
| Total (n = 642) | 18.9 | 30.5 | 16.7 | 35.4 | ||||
| Rice | ||||||||
| ⩽3 mth (n = 308) | 16.9 | 33.3 | 14.6 | 33.8 | ||||
| >3 mth (n = 306) | 19.9 | 0.35 | 28.1 | 0.17 | 18.2 | 0.27 | 36.8 | 0.44 |
| Fruit | ||||||||
| ⩽4 mth (n = 442) | 18.5 | 32.1 | 16.3 | 36.9 | ||||
| >4 mth (n = 181) | 20.0 | 0.68 | 26.6 | 0.18 | 17.6 | 0.71 | 32.0 | 0.25 |
| Vegetables | ||||||||
| ⩽4 mth (n = 449) | 18.3 | 32.3 | 16.5 | 36.2 | ||||
| >4 mth (n = 174) | 20.7 | 0.50 | 25.7 | 0.11 | 17.0 | 0.90 | 33.7 | 0.57 |
| Cereal | ||||||||
| ⩽4 mth (n = 313) | 18.5 | 29.7 | 15.5 | 37.6 | ||||
| >4 mth (n = 308) | 19.3 | 0.80 | 31.1 | 0.70 | 18.0 | 0.45 | 33.3 | 0.28 |
| Meat | ||||||||
| ⩽5 mth (n = 365) | 19.3 | 30.0 | 15.2 | 34.8 | ||||
| >5 mth (n = 256) | 18.6 | 0.83 | 30.5 | 0.90 | 19.1 | 0.23 | 36.7 | 0.64 |
| Fish | ||||||||
| ⩽6 mth (n = 414) | 19.2 | 31.3 | 17.1 | 35.2 | ||||
| >6 mth (n = 200) | 17.4 | 0.59 | 28.6 | 0.49 | 14.8 | 0.49 | 35.7 | 0.90 |
| Milk | ||||||||
| ⩽6 mth (n = 407) | 18.8 | 29.6 | 16.9 | 32.3 | ||||
| >6 mth (n = 213) | 19.1 | 0.92 | 32.2 | 0.50 | 16.4 | 0.88 | 41.2 | 0.032 |
| Egg | ||||||||
| ⩽8 mth (n = 315) | 16.2 | 29.0 | 15.4 | 30.5 | ||||
| 8 mth (n = 295) | 21.0 | 0.14 | 31.6 | 0.50 | 17.6 | 0.50 | 39.3 | 0.025 |
| Solid foods | ||||||||
| ⩽3 mth (n = 326) | 16.7 | 31.6 | 14.4 | 34.4 | ||||
| >3 mth (n = 267) | 19.2 | 0.45 | 28.6 | 0.44 | 18.8 | 0.17 | 35.0 | 0.88 |
| Breast fed | ||||||||
| Never (n = 235) | 22.1 | 33.2 | 13.2 | 39.5 | ||||
| Ever (n = 388) | 17.2 | 0.14 | 28.9 | 0.27 | 18.7 | 0.09 | 33.2 | 0.12 |