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Table 2 Association between biomedical factors and very early introduction of solid foods (< 17 weeks) (n = 934)

From: Determinants for early introduction of complementary foods in Australian infants: findings from the HSHK birth cohort study

Variables

Solids introduceda

Solids introduceda

Univariate odds ratiob

< 17 weeks

≥17 weeks

N (%)

N (%)

OR

CI95

Parity

 Primiparous

61 (13.1)

406 (86.9)

1.00

 

 Multiparous

66 (14.1)

401 (85.9)

1.09

0.75, 1.59

Infant gender

 Female

59 (12.9)

398 (87.1)

1.00

 

 Male

68 (14.3)

409 (85.7)

1.12

0.77, 1.63

Infant birth weight

  ≥ 2500 g

121 (13.6)

767 (86.4)

1.00

 

  < 2500 g

6 (13.0

40 (87.0)

0.95

0.39, 2.29

Gestational age

  ≥ 37 weeks

120 (13.9)

746 (86.1)

1.00

 

  < 37 weeks

7 (10.3)

61 (89.7)

0.71

0.32, 1.60

Method of delivery

 Vaginal

94 (14.4)

558 (85.6)

1.00

 

 Caesarean

33 (11.7)

249 (88.3)

0.79

0.52, 1.20

Breastfeeding initiation

 No

23 (30.7)

52 (69.3)

1.00

 

 Yes

104 (12.1)

755 (87.9)

0.31***

0.18, 0.53

Feeding method at 4 weeks

 Fully breastfed

62 (10.6)

524 (89.4)

1.00

 

 Partially breastfed

13 (9.0)

131 (91.0)

0.84

0.45, 1.57

 Fully formula fed

52 (25.5)

152 (74.5)

2.89***

1.92, 4.36

Smoking status of the mother postpartum

 No

100 (11.8)

751 (88.2)

1.00

 

 Yes

27 (32.5)

56 (67.5)

3.62***

2.19, 6.00

Smoking status of the mother during pregnancy

 No

108 (12.2)

775 (87.8)

1.00

 

 Yes

19 (37.3)

32 (62.7)

4.26***

2.33,7.78

Alcohol drinking status of the mother postpartum

 No

78 (12.3)

554 (87.7)

1.00

 

 Yes

49 (16.2)

253 (83.8)

1.38

0.93, 2.03

Alcohol drinking status of the mother during pregnancy

 No

111 (13.2)

731 (86.8)

1.00

 

 Yes

16 (17.4)

76 (82.6)

1.39

0.78, 2.46

  1. a The total of the categories do not always add up to 934 due to missing or incomplete data for some items
  2. b The univariate odds ratio indicates the likelihood of early introduction of solid foods
  3. OR odds ratio; CI95–95% confidence interval
  4. *** p < 0.001