Table 2 Caracteristics of the main sample (n = 11,636)
Maternal characteristics | ||
|---|---|---|
Age at delivery, mean (SD) | 31 (4.86) | |
Education level, % (n) | ||
Up to lower secondary | 3.3% (419) | |
Upper secondary | 32.8% (4179) | |
Intermediate | 24.2% (3074) | |
3-y university degree | 18.7% (2383) | |
At least 5-y university degree | 21% (2669) | |
Employed during pregnancy, % (n) | 74.2% (9737) | |
Family income, (€/month/consumption unit), mean (SD) | 1661 (930) | |
Migration status, % (n) | ||
Immigrant | 8.2% (1071) | |
Descendant of at least one immigrant | 10.1% (1314) | |
Rest of population | 81.7% (10682) | |
Smoking during pregnancy, % (n) | 19.3% (2556) | |
Older siblings, % (n) | ||
No older siblings | 43.6% (5721) | |
One older sibling 37.9% (4974) | 37.9% (4974) | |
At least two older siblings | 18.6% (2440) | |
Maternal diet quality (PANDiet-G, 0–100 score), mean (SD) | 55.7 (9.1) | |
Living in a rural area (< 2000 inhabitants), n (%) | 23.4% (3133) | |
Child and family characteristics | ||
Boys, % (n) | 51% (6820) | |
C-section, % (n) | 17.6% (2333) | |
Family history of allergy, % (n) | 50.3% (6539) | |
Respiratory and allergic diseases, % (n) | ||
Wheezing from 0 to 5.5 years | 40.2% (5377) | |
Current asthma (ISAACa definition) from 0 to 5.5 years | 7.7% (890) | |
Eczema from 0 to 5.5 years | 47.8% (6383) | |
Food allergy from 0 to 5.5 years | 6.4% (847) | |
Maternal dietary exposure to mixtures of chemicals, mean (SD) | ||
TE-F-PAH | 1.55 (0.6) | |
Mixt-3 | 0.18 (0.3) | |
Pest-1 | 0.65 (1.0) | |
Pest-3 | 0.33 (0.9) | |
PCB-BFR-Aso-MeHg | 0.50 (0.6) | |
Pest-2 | 0.36 (0.8) | |
Mixt-4 | 0.53 (0.9) | |
PFAA-Ge-Li | 0.84 (1.0) | |