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Table 3 The association of maternal experiences and knowledge with exclusive breastfeeding among breastfed infants under 6 months

From: Determinants of exclusive breastfeeding for the first six months in China: a cross-sectional study

  0–1 months 2–3 months 4–5 months Total
EBF/BF (%) aOR (95%CI) EBF/BF (%) aOR (95%CI) EBF/BF (%) aOR (95%CI) EBF/BF (%) aOR (95%CI)
(n = 1654) (n = 1621)   (n = 1553)   (n = 4828)
Ever breastfed a child a
 First birth 289/819 (35.3) 1.00 (reference) 274/764 (35.9) 1.00 (reference) 161/712 (22.6) 1.00 (reference) 724/2295 (31.5) 1.00 (reference)
 Never or for < 6 months 16/94 (17.0) 0.46 (0.25, 0.83) 26/111 (23.4) 0.74 (0.44, 1.22) 14/83 (16.9) 0.73 (0.38, 1.39) 56/288 (19.4) 0.61 (0.44, 0.84)
 For ≥6 months 278/779 (35.7)* 1.22 (0.94, 1.59) 304/773 (39.3)* 1.58 (1.22, 2.05) 171/791 (21.6) 1.00 (0.73, 1.37) 753/2343 (32.1)* 1.29 (1.10, 1.51)
Early initiation of breastfeeding b
 No 481/1449 (33.2) 1.00 (reference) 501/1428 (35.1) 1.00 (reference) 293/1371 (21.4) 1.00 (reference) 1275/4248 (30.0) 1.00 (reference)
 Yes 100/231 (43.3)* 1.34 (0.98, 1.82) 93/201 (46.3)* 1.46 (1.06, 2.02) 53/194 (27.3) 1.27 (0.87, 1.84) 246/626 (39.3)* 1.36 (1.13, 1.64)
Knowing about exclusive breastfeeding
 No 213/728 (29.3) 1.00 (reference) 209/689 (30.3) 1.00 (reference) 89/642 (13.9) 1.00 (reference) 511/2059 (24.8) 1.00 (reference)
 Yes 374/973 (38.4)* 1.50 (1.19, 1.88) 397/966 (41.1)* 1.55 (1.23, 1.94) 262/951 (27.5)* 2.12 (1.59, 2.83) 1033/2890 (35.7)* 1.61 (1.40, 1.84)
Score on the knowledge of benefits of breastfeeding a
  < 8 437/1297 (33.7) 1.00 (reference) 396/1229 (32.2) 1.00 (reference) 236/1198 (19.7) 1.00 (reference) 1069/3724 (28.7) 1.00 (reference)
  ≥ 8 148/398 (37.2)* 1.09 (0.83, 1.44) 208/422 (49.3)* 1.72 (1.32, 2.23) 113/388 (29.1)* 1.53 (1.12, 2.10) 469/1208 (38.8)* 1.38 (1.18, 1.62)
  1. EBF indicates exclusively breastfed infants, BF indicates breastfed infants, and aORs indicates adjusted odds ratios
  2. aORs were adjusted for residents, infant sex and age of months, and factors identified to be significantly associated with EBF in Table 2
  3. * p value < 0.05 for univariate analysis
  4. a Listwise deletion in logistic regression was used to handle missing data of these variables with < 1% missing data
  5. b A category “unknown” was assigned to the missing value of these variables with ≥1% missing data; these cases were also included in the analysis but the results are not presented