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Table 3 Risk of not initiating breastfeeding in two Spanish regions by neonatal/maternal characteristics and type of hospital

From: Uneven chances of breastfeeding in Spain

  Catalonia Valencia
ORca(CI 95%) ORab(CI 95%) ORca(CI 95%) ORab(CI 95%)
Type of delivery
  Single 1 1 1 1
  Multiple 6.75 (6.41, 7.11) 3.12 (2.93. 3.31) 5.50 (5.12, 5.90) 2.44 (2.23, 2.67)
Mode of delivery
  Vaginal 1 1 1 1
  Caesarean section 1.71 (1.66, 1.75) 1.35 (1.31, 1.39) 2.62 (2.53, 2.71) 2.09 (2.02, 2.18)
Gestational age/birth weight
  ≥37 weeks and ≥ 2500 grs. 1 1 1 1
  MPTB or MLBW 2.45 (2.34, 2,57) 2.00 (1.90, 2.11) 1.90 (1.79, 2.01) 1.51 (1.40, 1.61)
  MPTB and MLBW 6.63 (6.27, 7.01) 4.28 (4.01, 4.57) 4.10 (3.83, 4.38) 2.55 (2.34, 2.79)
  VPTB or VLBW 6.00 (5.39, 6.69) 4.33 (3.84, 4.89) 4.69 (3.90, 5.64) 2.73 (2.16, 3.44)
  VPTB and VLBV 10.37 (8.99, 11.96) 7.61 (6.50, 8.92) 6.29 (5.19, 7.62) 4.03 (3.13, 5.19)
Maternal age
  <20 0.91 (0.83, 1.00) 1.19 (1.07, 1.32) 0.98 (0.87, 1.11) 1.33 (1.17, 1.50)
  20-34 1 1 1 1
  ≥35 1.23 (1.19, 1.26) 1.10 (1.06, 1.14) 1.27 (1.22, 1.32) 1.10 (1.06, 1.15)
Maternal origin
  Spain 1 1 1 1
  Latin-America 0.40 (0.38, 0.43) 0.41 (0.38, 0.44) 0.27 (0.24, 0.30) 0.26 (0.23, 0.29)
  Maghreb 0.32 (0.30, 0.35) 0.34 (0.32, 0.37) 0.27 (0.22, 0.31) 0.28 (0.24, 0.34)
  Eastern-Europe 0.45 (0.41, 0.51) 0.48 (0.42, 0.54) 0.42 (0.37, 0.47) 0.43 (0.38, 0.49)
  Sub-Saharan Africa 0.35 (0.30, 0.42) 0.36 (0.30, 0.43) 0.63 (0.49, 0.83) 0.55 (0.41, 0.73)
  North-Asia 4.35 (3.96, 4.79) 5.54 (5.00, 6.15) 4.13 (3.42, 4.98) 4.71 (3.85, 5.77)
  South-Asia 0.62 (0.53, 0.73) 0.60 (0.50, 0.71) 0.64 (0.41, 1.02) 0.60 (0.36, 0.98)
  Others 0.56 (0.50, 0.63) 0.90 (0.84, 0.96) 0.86 (0.81, 0.91) 1.11 (0.99, 1.24)
Type of hospital
  Public 1 1 1 1
  Private 1.20 (1.17, 1.23) 1.04 (1.01, 1.07) 1.10 (1.04, 1.16) 0.99 (0.93, 1.05)
  1. ORca = Crude Odds Ratio.
  2. ORab = Odds Ratio Adjusted for all the other characteristics.
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