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Table 1 Characteristics of the participating mothers and their preterm infants

From: Mothers’ experiences of a telephone based breastfeeding support intervention after discharge from neonatal intensive care units: a mixed-method study

  Total
(n = 493)
Written comments
(n = 274)
Telephone interview
(n = 26)
Participant characteristics n (%) n (%) n (%)
Randomised to
 Proactive support 231 (47) 132 (48) 8 (31)
 Reactive support 262 (53) 142 (52) 18 (69)
 Maternal age, year; mean (SD) 30 (5.2) 30.5 (5.2) 30 (4.7)
Maternal educational level
 Higher education 258 (52) 160 (58) 15 (58)
 Upper secondary school or less 235 (48) 114 (42) 11 (42)
 Primipara mothers 278 (56) 164 (60) 16 (61)
 Mothers not born in Sweden 46 (9.3) 18 (6.6) 2 (7.7)
 Vaginal birth 277 (56) 158 (60) 13 (50)
 Infant gestational age at birth, weeks; median (IQR) 34 (2) 34 (3) 34 (1)
 Infant gestational age at discharge, weeks; median (IQR) 38 (2) 38 (2) 39 (2)
 Length of stay for the infant, days; median (IQR) 23 (21) 23 (20) 25 (22)
 Multiple birth 52 (11) 30 (11) 6 (23)
Exclusive breastfeeding
 At discharge 406 (82) 231 (84) 21 (81)
 8 weeks after discharge 282 (57) 171 (62) 13 (50)
 6 months postnatal age 103 (21) 72 (26) 7 (27)
 Partial breastfeeding at 12 months postnatal age* 49 (22) 32 (20) 4 (27)
  1. SD = standard deviation, IQR = interquartile range
  2. *281 mothers agreed to answer the additional questionnaire administered when their infants were 12 months postnatal age