“…In addition, when the infant reached 40 weeks of postmenstrual age, the mothers were asked to complete an questionnaire created by the researcher team containing questions about demographic characteristics, such as age, civil status, education, the infant's gestational age, birthweight, delivery mode, number of other children, length of hospital stay, breastfeeding or formula or both and pacifier use. The questions were selected based on other similar studies . The mothers were asked to fill in a box in response to whether they gave formula or expressed breastmilk to the infants at the hospital.…”