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Table 2 Adjusted multinomial logistic regression results for predictors of current feeding group membership

From: Associations of in-hospital postpartum feeding experiences with exclusive breastfeeding practices among infants in rural Sichuan, China

 

BF&L

RRR (95% CI)

MF

RRR (95% CI)

BF&S

RRR (95% CI)

NBF

RRR (95% CI)

Feeding practices in hospital

 Early breastfeeding initiation

1.55 (0.96–2.51)

0.88 (0.53–1.47)

1.34 (0.69–2.57)

0.85 (0.38–1.91)

 Ever fed colostrum

0.72 (0.37–1.39)

0.76 (0.41–1.43)

1.14 (0.35–3.72)

0.23*** (0.11–0.46)

 Ever fed water

2.48*** (1.61–3.82)

1.59* (1.10–2.29)

3.33** (1.45–7.64)

1.36 (0.79–2.36)

 Ever fed formula

1.03 (0.61–1.73)

2.52** (1.44–4.42)

1.04 (0.49–2.22)

1.76 (0.74–4.20)

Infant characteristics

 Infant age: 0 to < 2 m

1.00

1.00

1.00

1.00

 Infant age: 2 to < 4 m

0.95 (0.58–1.56)

0.69 (0.45–1.07)

0.73 (0.25–2.12)

1.39 (0.72–2.70)

 Infant age: 4 to < 6 m

2.72*** (1.54–4.79)

0.87 (0.50–1.54)

13.6*** (5.29–35.0)

6.30*** (3.08–12.9)

 Male

1.24 (0.84–1.82)

0.93 (0.64–1.35)

1.37 (0.77–2.45)

0.83 (0.48–1.43)

 Vaginal birth

1.25 (0.80–1.94)

1.28 (0.85–1.92)

1.39 (0.71–2.71)

0.94 (0.49–1.78)

 Born premature or low birth weight

1.09 (0.41–2.89)

1.65 (0.75–3.61)

2.26 (0.70–7.25)

0.90 (0.25–3.22)

 Maternal agea

1.00 (0.95–1.05)

1.06** (1.02–1.10)

1.00 (0.92–1.07)

1.07* (1.01–1.13)

 Maternal education

  Primary or less

1.00

1.00

1.00

1.00

  Secondary

0.80 (0.38–1.66)

0.96 (0.52–1.79)

0.79 (0.27–2.30)

0.61 (0.28–1.32)

  Tertiary or above

0.81 (0.32–2.02)

0.70 (0.31–1.61)

0.86 (0.24–3.13)

1.28 (0.51–3.22)

 Mother migrated previously for work

0.87 (0.52–1.45)

0.73 (0.45–1.20)

1.27 (0.58–2.80)

0.80 (0.42–1.54)

 Household wealth

  1st quintile

1.00

1.00

1.00

1.00

  2nd quintile

1.53 (0.80–2.93)

1.31 (0.74–2.29)

1.11 (0.44–2.82)

1.75 (0.65–4.71)

  3rd quintile

0.83 (0.41–1.68)

1.08 (0.59–1.95)

1.06 (0.40–2.76)

1.11 (0.41–3.03)

  4th quintile

0.70 (0.34–1.46)

0.98 (0.51–1.89)

0.78 (0.27–2.30)

1.08 (0.41–2.88)

  5th quintile

1.12 (0.54–2.36)

2.06* (1.15–3.70)

0.85 (0.24–3.04)

1.09 (0.36–3.29)

 County 1

1.00

1.00

1.00

1.00

 County 2

0.81 (0.44–1.50)

1.92* (1.05–3.50)

1.29 (0.42–4.03)

1.45 (0.67–3.09)

 County 3

0.50* (0.26–0.99)

1.35 (0.74–2.48)

0.86 (0.26–2.82)

1.26 (0.53–3.01)

 County 4

1.05 (0.57–1.94)

1.43 (0.79–2.58)

0.86 (0.26–2.82)

1.05 (0.44–2.51)

 Residence in town

0.93 (0.59–1.47)

1.19 (0.76–1.85)

2.22* (1.14–4.34)

1.68 (0.94–3.00)

 Birthing location

  Township health center

1.00

1.00

1.00

1.00

  County hospital

0.90 (0.47–1.73)

1.26 (0.71–2.22)

1.71 (0.66–4.41)

1.64 (0.52–5.22)

  City hospital

0.57 (0.31–1.47)

1.93* (1.01–3.07)

1.00 (0.35–2.83)

2.83 (0.96–8.29)

  1. Categories of feeding in previous 24 h: EBF exclusively breastfed, BF&L fed breastmilk and non-milk liquids, MF mixed feeding of breastmilk and animal milk or formula, BF&S fed breastmilk and solid or semi-solid foods, NBF not breastfed
  2. Adjusted multinomial logistic regression (mlogit) coefficients on predictor variables were estimated for each of five feeding groups relative to EBF, the reference group. Coefficients were exponentiated for ease of interpretation as relative risk ratios (RRR)
  3. EBF was used as the reference outcome group
  4. * p < 0.05, ** p < 0.01, *** p < 0.001
  5. aMaternal age was the only continuous variable in the regression (other variables were all categorical)