Table 1 Characteristics of participants.

From: Daytime nap and nighttime breastfeeding are associated with toddlers’ nighttime sleep

Gestational age at birth (weeks), mean ± s.d 39.6 ± 1.2
Birth weight (g), mean ± s.d 3073 ± 385
No. of toddlers (boys:girls) 106 (50:56)
Maternal age at birth, mean ± s.d 35.6 ± 4.4
Birth order
First born 72
Subsequent born 34
Months of age at actigraphic recording, mean ± s.d 19.2 ± 0.9