Table 1.

Demographics and feeding characteristics.

Demographics
Sex
Male	37 (61%)
Female	24 (39%)
Race
Black/African American	1 (2%)
Asian	3 (5%)
White	59 (97%)
Other	1 (2%)
Feeding modality
Exclusively breast	25 (41%)
Mixed breast and bottle	36 (59%)
Bottle nipple
Extra slow	59 (9%)
Slow	307 (47%)
Medium	194 (30%)
Fast	89 (14%)

Values shown are number of infants (%) except for bottle nipple flow rates, which depict the number of feeds (%) due to caregivers using different bottle nipples throughout the study. Percentages were rounded to the nearest whole number and may not add up to 100%. Participants could pick more than one race when asked.