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Table 2 Demographic and obstetric characteristics of participants

From: Intervention based on BASNEF model increases exclusive breastfeeding in preterm infants in Iran: a randomized controlled trial

  Intervention groupa n = 62 Control groupa n = 62 Statistic p -value
Age of mother, years 27.13 ± 0.53 27.19 ± 0.60 t = 1.54 0.52b
Education level
 Illiterate and elementary 21 (33.8) 21 (33.8) χ 2 = 0.23 0.99
 Middle 14 (22.6) 15 (24.2)
 Diploma 14 (22.6) 15 (24.2)
 Academic 13 (21.0) 11 (17.8)
Occupation
 Housewife 56 (90.3) 59 (95.2) χ 2 = 3.07 0.21c
 Employed 6 (9.7) 3 (4.8)
Baby gender
 Male 33 (53.2) 33 (53.2) χ 2 = 0.001 1.0
 Female 29 (46.8) 29 (46.8)
Type of delivery
 Normal vaginal delivery 19 (30.6) 19 (30.6) χ 2 = 0.001 1.0
 Caesarean section 43 (69.4) 43 (69.4)
Breastfeeding history
 Yes 50 (80.65) 45 (72.58) χ 2 = 1.66 0.43
 No 12 (19.35) 17 (27.42)   
Duration of previous breastfeeding, months 6.81 ± 0.53 6.57 ± 0.74 t = 0.83 0.35b
Number of previous children
 0 14 (22.58) 15 (24.19) χ 2 = 0.34 0.98
 1 31 (50.0) 30 (48.39)
 2 12 (19.35) 12 (19.35)
  ≥ 3 5 (8.07) 5 (8.07)
Infant feeding of previous children
 Breast milk 48 (77.42) 45 (72.58) χ 2 = 2.93 0.40c
 Formula 12 (19.35) 13 (20.97)
 Cow milk, etc. 2 (3.23) 4 (6.45)
History of exclusive breastfeeding with the last baby
 Yes 42 (67.74) 45 (72.58) χ 2 = 2.43 0.49
 No 20 (32.26) 17 (27.42)
  1. aNumber (%), mean ± SD, b t-test, cFisher’s Exact Test, the remainder Chi-square test