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Table 1 Characteristics of the 1344 mother-infant dyads included in the study, Feira de Santana, Bahia, Brazil

From: Risk factors for and protective factors against breastfeeding interruption before 2 years: a birth cohort study

Characteristics N %
Maternal skin color
 White 245 18.2
 Non-white 1099 81.8
Maternal age upon childbirth (years)
 < 20 262 19.5
 ≥ 20 1082 80.5
Maternal schooling (years of formal education)
 ≤ 8 508 37.8
 > 8 836 62.2
Parity
 Primiparous 671 49.9
 Multiparous 673 50.1
Family income (minimum wages)a
 < 2 735 54.7
 ≥ 2 609 45.3
Attendance to prenatal lecture/course on breastfeeding
 Yes 347 25.8
 No 997 74.2
Smoking during pregnancy
 Yes 32 2.4
 No 1312 97.6
Type of prenatal care funding
 Public 888 66.1
 Private/medical insurance plan 456 33.9
Type of delivery
 Vaginal 759 56.5
 Cesarean section 585 43.5
Type of hospital funding
 Public 1019 75.8
 Private/medical insurance plan 325 24.2
Breastfeeding in the first hour of life
 Yes 645 48.0
 No 699 52.0
Rooming in at hospital
 Yes 1229 91.4
 No 115 8.6
Guidance on breastfeeding at hospital
 Yes 1094 81.4
 No 250 18.6
Maternal expectation of breastfeeding duration (months)
 ≥ 12 230 17.1
 < 12 1114 82.9
Birth weight (g)
 < 2500 65 4.8
 ≥ 2500 1279 95.2
Infant sex
 Male 719 53.3
 Female 625 46.5
Mother working outside the home at the time of breastfeeding interruption
 Yes 356 26.5
 No 988 73.5
Partner’s support and encouragement to breastfeeding
 Yes 1274 94.8
 No 70 5.2
Cohabitation with child’s father
 Yes 1145 85.2
 No 199 14.8
Use of a pacifier at the time of breastfeeding interruption
 Yes 564 42.0
 No 780 58.0
Sleeping environment at the time of breastfeeding interruption
 Mother-infant bed-sharing 1045 77.8
 Other 299 22.2
Breastfeeding scheme in the first monthb
 On demand 1236 95.8
 Scheduled 54 4.2
Breastfeeding pattern at 4 monthsc
 Exclusive breastfeeding 255 21.0
 Non-exclusive breastfeeding 962 79.0
  1. a 1 minimum wage = US$ 117,49
  2. b Total of 1290 dyads analyzed
  3. c Total of 1217 dyads analyzed