Table 3.

Description of the included population

Boy/girl	21/19
Age at inclusion (months) mean + SD	3.4 +± 1.5
Median (range)	3 (0–6)
Time since the first apparition of the symptoms (months), mean ± SD	1.9 ± 1.2
Median (range)	1.8 (0.2–5.4)
Infants never breast fed (n (%))	9 (23.1)
Duration of exclusive breast feeding (weeks), mean ± SD	5.2 ± 5.0
Median (range)	4 (0–18)
Duration of partial breast feeding (weeks; mean ± SD)	2.3 ± 4.0
Median (range)	1 (0–16)
Infants with at least one parent or sibling having a proven or suspected allergic disease (n (%))	36 (90.0)