Table 1.

Characteristics of the Infants Tested at 2½ and 5 Months of Age

2½ Months (n = 30)5 Months (n = 26)
Gender, female/male15/1514/12
Breastfeeding24 (80%)19 (73%)
Weight in g (mean ± 1 SD)5821  ± 6967468  ± 831
Sleeping in bed with parents01
Supine preferred position2326
Side or supine preferred position30
Side preferred position40