Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
General characteristics of the total study population
| n | Age in years (SD) | Male (%) | |
| Only atopic eczema | 15 530 | 8.7 (4.5) | 48.2 |
| Only asthma | 7887 | 10.7 (4.5) | 59.0 |
| Only allergic rhinitis | 6835 | 13.5 (3.5) | 57.8 |
| Atopic triad | 559 | 11.6 (4.0) | 61.4 |
NB: Children in the first three groups had only one of the three atopic disorders: that is, they had the disorder mentioned, but none of the other disorders, whereas children in the atopic triad group had all three disorders.
