|
Characteristic
|
Intervention cohort N = 1374
|
Control cohort N = 4780
|
|---|
| |
Mean (SD)
|
Mean (SD)
|
|---|
|
Age mother at delivery (years)
|
29.8 (4.21)
|
29.3 (4.68)
|
|
Educationa mother (years)
|
15.8 (2.43)
|
15.5 (2.58)
|
|
Educationa father (years)
|
15.1 (2.77)
|
15.0 (2.97)
|
|
Birthweight (grams)
|
3601 (545)
|
3582 (594)
|
| |
n (%)
|
n (%)
|
|
Boys
|
667 (49.3)
|
2389 (50.0)
|
|
One or more sibling
|
915 (67.4)
|
3265 (69.3)
|
|
Premature
|
162 (11.9)
|
671 (14.4)
|
|
Single mother
|
50 (3.8)
|
356 (7.7)
|
|
Breast fed ≥6 months
|
1053 (76.9)
|
3285 (69.3)
|
|
Smoking mother at start pregnancy
|
186 (13.8)
|
862 (18.6)
|
|
Smoking father at start pregnancy
|
205 (15.7)
|
917 (21.3)
|
|
Atopyb mother
|
652 (47.8)
|
1991 (42.4)
|
|
Atopyb father
|
578 (42.3)
|
1725 (36.8)
|
|
Atopy mother and father
|
304 (22.3)
|
865 (18.4)
|
|
Dog in dwelling
|
104 (7.6)
|
365 (7.7)
|
|
Cat in dwelling
|
150 (11.0)
|
397 (8.4)
|
|
Homeowner
|
1247 (91.4)
|
4118 (87.4)
|
-
a Education data is based on a sample (Intervention cohort: n = 1062. Control cohort: n = 1242).
-
b Defined as ever having had asthma, allergic rhinoconjunctivitis or AD.
