Table 1.

Characteristics of the participating families

	Experimental group n=1,140	Control group n= 1,249	p-value
Mothers’ age, years, mean ± SD	28.4 ± 5	28.5 ± 5	.593
Length of postpartum hospitalization, hours, med (IQR)	48 (48-72)	48 (48-72)	.328
At least one another child in the family, n (%)	587 (51.5)	725 (58.0)	.001
Caesarean birth a, n (%)	187 (16.4)	267 (21.4)	.002
Newborn hospitalized in the neonatology ward during postpartum stay, n (%)	51 (4.5)	172 (13.8)	<.001

^a Two missing values in the experimental group and one missing value in the control group