|
Airway resistance [10-1•kPa•s/l]
|
6.30 ± 15.0
|
6.39 ± 1.49
|
6.15 ± 1.50
|
*
|
5.83 ± 1.53
|
6.23 ± 1.58
|
6.96 ± 1.51
|
6.35 ± 1.27
|
*
|
|
Total lung capacity [% predicted]
|
105 ± 11
|
105 ± 10
|
104 ± 11
|
-
|
103 ± 11
|
105 ± 9
|
105 ± 9
|
107 ± 11
|
*
|
|
Birth weight [10•g]
|
337 ± 59
|
333 ± 58
|
348 ± 61
|
*
|
334 ± 60
|
338 ± 56
|
343 ± 54
|
337 ± 58
|
*
|
|
Body height [cm]
|
120.4 ± 5.6
|
120.0 ± 5.6
|
121.5 ± 5.4
|
*
|
120.6 ± 5.6
|
120.9 ± 5.4
|
120.7 ± 5.2
|
119.6 ± 5.7
|
*
|
|
Overweight, BMI > 19 kg/m2
|
7.5
|
8.3
|
4.7
|
*
|
5.7
|
5.1
|
6.5
|
11.8
|
*
|
|
Bronchitis, ever diagnosed
|
45.5
|
45.0
|
47.2
|
-
|
44.9
|
52.3
|
51.2
|
41.5
|
-
|
|
More than 4 colds in last 12 months
|
14.7
|
15.5
|
11.9
|
*
|
15.7
|
13.2
|
15.1
|
13.4
|
*
|
|
Frequent cough
|
7.8
|
8.4
|
5.7
|
*
|
8.9
|
6.8
|
8.5
|
6.1
|
*
|
|
Sneeze attacks in the last 12 months
|
5.8
|
6.4
|
3.6
|
*
|
4.9
|
--g
|
6.2
|
7.1
|
*
|
|
Allergy, ever diagnosed
|
14.0
|
14.1
|
14.0
|
-
|
15.8
|
13.5
|
12.4
|
12.1
|
*
|
|
Eczema, ever diagnosed
|
13.4
|
13.6
|
12.6
|
-
|
10.7
|
16.3
|
15.7
|
15.5
|
*
|
|
Atopic eczema, day of investigation
|
7.9
|
7.0
|
9.2
|
-
|
10.9
|
9.0
|
5.5
|
4.6
|
*
|
|
Specific IgE grass pollen positive
|
10.8
|
11.2
|
10.2
|
-
|
9.8
|
12.2
|
10.6
|
10.6
|
-
|
|
Specific IgE house dust mite positive
|
13.0
|
13.0
|
13.1
|
-
|
11.7
|
14.3
|
10.8
|
16.2
|
-
|
|
Living conditions
| | | | | | | | | |
|
Single child
|
27.2
|
31.1
|
13.3
|
*
|
28.8
|
22.1
|
19.6
|
29.6
|
-
|
|
Small living space
|
29.0
|
33.8
|
12.1
|
*
|
33.8
|
22.5
|
20.6
|
27.4
|
*
|
|
Unfavourable indoor air
|
16.2
|
16.3
|
16.0
|
-
|
19.2
|
23.0
|
15.8
|
9.4
|
*
|
|
Damp housing condition
|
5.3
|
6.2
|
2.3
|
*
|
5.9
|
3.9
|
4.6
|
5.2
|
-
|
|
Maternal smoking during pregnancy
|
28.7
|
33.6
|
11.4
|
*
|
34.8
|
25.2
|
19.4
|
24.3
|
*
|
|
Living near a busy road
|
50.9
|
54.6
|
38.1
|
*
|
48.5
|
57.5
|
50.6
|
52.4
|
*
|
|
Parental education
| | | | | | | | | |
|
Low parental educational level
|
65.2
|
66.5
|
60.6
|
*
|
63.4
|
47.5
|
67.3
|
73.5
|
*
|
