total bite rates ( which took into account multiple bites per child over the 12-month study period ) varied significantly by age group , with toddlers having the highest rate per 100 days of enrollment and preschoolers the lowest ( infants , 2.1931 ; toddlers , 3.1300 ; preschoolers , 0.5611 ) .
C0008059
child
C0021270
infants