Table 1 Factors related to early postpartum mother–child care influencing EBF rates until 6 months postpartum in Japan.

Factors related to early postpartum mother–child care

Early skin-to-skin contact^a (n = 79,822)

No early skin-to-skin contact

Reference

Reference

Early skin-to-skin contact

1.647

(1.588–1.709)

1.233

(1.165–1.304)

Carried baby against clothes

1.181

(1.127–1.236)

0.994

(0.932–1.059)

Rooming-in^a (n = 79,693)

Mother and child separated

Reference

Reference

Roomed-in for one-quarter of a day

1.145

(1.052–1.246)

0.923

(0.834–1.022)

Roomed-in for half a day

1.188

(1.102–1.281)

1.002

(0.915–1.098)

Roomed-in for three-quarters of a day

1.356

(1.264–1.455)

1.099

(1.009–1.198)

Roomed-in all day

2.008

(1.890–2.133)

1.567

(1.454–1.690)

Early nursing^a (n = 79,729)

Not nursed until 1 mo. postpartum

0.409

(0.311–0.538)

0.637

(0.410–0.990)

Within 1 h of birth

1.732

(1.682–1.783)

1.455

(1.401–1.512)

After 1 h of birth

Reference

Reference