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Table 1 Characteristics of participants and main outcome measures in comparison intervention and control groups

From: Development and evaluation of a self care program on breastfeeding in Japan: A quasi-experimental study

  Intervention group (n = 52) Control group (n = 63)
Mother's age (year) Delivery type vaginal caesarean forceps delivery 30.3 ± 0.6 (20-38) 28.9 ± 0.4 (20-36)
  40 (77%) 48 (77%)
  5 (10%) 8 (12%)
  7 (13%) 7 (11%)
Infant gestation weeks 39.3 ± 0.2 (36-42) 39.2 ± 0.1 (36-41)
Infant birth weight (g) 3059.3 ± 60.1 (2340-3990) 3037.1 ± 50.9 (2340-3896)
  day 4 postpartum 1-month postpartum day 4 postpartum 1-month postpartum
BSES-SF score 34.8 ± 1.1 (24-48) 49.9 ± 0.9 (38-68) 39.5 ± 1.5 (20-55) 46.5 ± 1.7 (27-65)
Changes BSES-SF score day 4 to 1-month 15.1 ± 1.03 (1-30) 7.0 ± 1.26 (13-19)
Fully breastfeeding n (%) 46 (90%) 46 (90%) 56 (89%) 41 (65%)
  1. Age, delivery type, infant gestation weeks and infant birth weight are average ± standard deviation.
  2. BSES-SF score is mean ± standard error.