“…32 Children were classified with functional constipation if they had experienced at least 1 of the following symptoms for at least 2 consecutive weeks: 2 or fewer bowel movements per week and predominantly hard/firm feces. 22 At age 6 years, children were classified with functional constipation if they met at least 2 of the following criteria for at least 2 consecutive weeks: 2 or fewer bowel movements per week, predominantly hard/firm feces, and fecal incontinence. 33 Analyses were adjusted for a number of sociodemographic (eg, sex, ethnic background, family income) and biobehavioral (eg, body mass index for age at the time of exposure, history of cow's milk allergy, maternal stress) factors (Table I), collected by postal questionnaires, from obstetric records, and during routine visits at the community well-baby clinics.…”