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Table 2 Baseline comparisons of the three study group’s characteristics

From: Assessment of complementary feeding of Canadian infants: effects on microbiome & oxidative stress, a randomized controlled trial

Variable

Cer

Cer + Fr

M

All groups

(n = 22)

(n = 28)

(n = 32)

(n = 82)

Males (%)

44.0

48.3

54.8

49.4

Birth weight (g) mean ± SD

3437 ± 475

3693 ± 494

3544 ± 519

3563 ± 503

Length at birth (cm) mean ± SD

52 ± 2.8

52.5 ± 2.6

51.7 ± 2.7

52 ± 2.7

HC at birth (cm) mean ± SD

34.1 ± 2.0

34 ± 1.9

35.5 ± 1.8

34.7 ± 1.9

Gestation (wk) mean ± SD

39.8 ± 1.3

39.8 ± 1.7

39.4 ± 1.0

39.7 ± 1.4

Parity (%)

 1

32

27.6

35.5

31.8

 2

36

41.4

51.6

43.5

  ≥ 3

32

30.8

12.9

24.8

Parity mean ± SD

2.0 ± 0.8

2.3 ± 1.5

1.8 ± 0.9

2.0 ± 1.1

Mean Maternal age (years)

31.1 ± 4.4

31.9 ± 4.1

34.5 ± 3.7*

32.6 ± 4.3

Mode of delivery (%)

 Vaginal

83.3

92.3

83.3

86.3

 Caesarian

12.5

3.8

16.7

11.3

 Other

4.2

3.8

0.0

2.5

Antenatal-postnatal complication (%)

 Yes

24

20.7

29

24.7

 No

76

79.3

71

75.3

Fe supplementation during pregnancy (%)

20

31

25.8

25.9

Vitamin supplementation during pregnancy (%)

88

89.7

96.8

91.8

Vitamin supplementation during BF (%)

48*

62.1*

79.3*

63.9

Marital status (%)

 Married

88

93.1

93.5

91.8

 Single

4.0

6.9

0.0

3.5

 Divorced

0.0

0.0

0.0

0.0

 Common-law

8.0

0.0

6.5

4.7

Maternal pre-pregnancy weight (Kg) mean ± SD

67 ± 14.7

66.6 ± 12.1

69.8 ± 14.7

67.9 ± 13.8

Maternal height mean ± SD

165 ± 6.3

166.3 ± 6.9

166.5 ± 7.5

166 ± 6.9

Maternal pre-pregnancy BMI mean ± SD

24.6 ± 4.4

24.1 ± 3.9

25.3 ± 5.3

24.7 ± 4.6

Duration of previous BF (months) mean ± SD

14.9 ± 8.9

12.3 ± 7.5

13.4 ± 6.2

13.5 ± 7.4

Maternal education (%)

 Primary & secondary

16

10.7

9.7

11.9

 Post secondary

84

89.3

90.3

88.1

Pre-delivery working mothers (%)

76

85.7

96.8

86.9

Paternal weight (Kg) mean ± SD

88.4 ± 14.9

92 ± 18.8

87.9 ± 11.7

89.5 ± 15.2

Paternal height mean ± SD

179.5 ± 8.0

180 ± 7.1

180 ± 7.9

180 ± 7.6

Paternal BMI mean ± SD

25.1 ± 8.7

28.3 ± 5.3

27.0 ± 4.2

26.9 ± 6.1

Paternal education (%)

 Primary & secondary

16.0

3.8

3.2

7.3

 Post secondary

84.0

96.2

96.8

92.7

No. of household occupants mean ± SD

3.9 ± 0.8

4.3 ± 1.5

3.9 ± 1.0

4.0 ± 1.2

No. of household children mean ± SD

1.8 ± 0.7

2.4 ± 1.5

1.9 ± 0.9

2.0 ± 1.1

Maternal smoking (%)

4.0

0.0

3.2

2.4

Infant Vitamin D supplementation (%)

96.0

100.0

90.3

95.3

  1. BF Breastfeeding, BM breast milk, *: p < 0.05