the bite rates ( defined as number of bites per 100 child days of enrollment in the center ) varied significantly by age group but not by gender for initial or first-time bites , with toddlers having the highest rate and preschoolers the lowest ( infants , 0.7129 ; toddlers , 1.3672 ; preschoolers , 0.4193 ) .
C0008059
child
C0021270
infants