Molecularly defined adult-type hypolactasia in school-aged children with a previous history of cow’s milk allergy

Table 1 Milk consumption and abdominal symptoms in school-aged children with a history of cow’s milk allergy¹ and their controls

	Previous allergy1	Controls
Questionnaire completed	92% (n = 86)	97% (n =77)
Milk product consumption	80% (n = 69)	100%a (n = 77)
Milk consumption < 1 dL/d	36% (23/69)	16%b (12/77)
Low lactose content in diet	14% (10/69)	8% (6/77)
Abdominal symptoms: Flatulence	13% (11/86)	8% (6/77)
Loose stools	5% (4/86)	4% (3/77)
Skin prick test >3 mm to cow’s milk	22%2 (20/91)	0 (0/77)

¹milk challenge positive at a mean age of 7 mo;

^aP < 0.0001 vs milk consumption;

^bP < 0.02 vs milk product consumption.