Table 2 Baseline characteristics at 8 years of age (%) for all children participating in the study and according to sex and living area
LuleÅ | PiteÅ | Kiruna | All | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
(n = 1242) | (n = 658) | (n = 478) | (n = 2378) | |||||||||
Variables at 8 years | All | Girls | Boys | All | Girls | Boys | All | Girls | Boys | All | Girls | Boys |
(%) | (%) | (%) | (%) | (%) | (%) | (%) | (%) | (%) | (%) | (%) | (%) | |
Allergic heredity | 57.6 | 56.1 | 59.1 | 63.5 | 61.7 | 65.0 | 57.5 | 54.0 | 60.9 | 59.2 | 57.1 | 61.2 |
Current asthma | 4.5 | 3.2 | 5.8 | 7.1 | 5.0 | 8.9 | 9.2 | 6.8 | 11.5 | 6.2 | 4.4 | 7.8 |
Current rhinitis | 5.8 | 5.7 | 5.9 | 6.2 | 4.4 | 7.8 | 6.7 | 5.1 | 8.2 | 6.1 | 5.2 | 6.9 |
Current eczema | 11.4 | 11.3 | 11.6 | 10.0 | 11.1 | 9.2 | 11.5 | 9.8 | 13.2 | 11.1 | 10.9 | 11.2 |
Any positive SPT* | 29.8 | 26.9 | 32.8 | - | - | - | 29.3 | 26.4 | 32.2 | 29.7 | 26.8 | 32.6 |