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Table 1 Growth from birth to 18 months in normal weight and overweight children

From: Association between feeding practices and weight status in young children

Items

Normal weight children (n = 130)

Overweight children (n = 64)

Overall (n = 197)

Statistical value (F)

P a

Weight-for-age z scores (WAZ)

     

 At birth

0.02 ± 0.66

0.12 ± 0.66

0.06 ± 0.66

0.700

0.404

 At 6 months

0.62 ± 0.74

1.36 ± 0.76

0.86 ± 0.82

38.979

<0.001

 At 12 months

0.49 ± 0.69

1.28 ± 0.65

0.75 ± 0.77

55.388

<0.001

 At 18 months

0.31 ± 0.63

1.44 ± 0.51

0.66 ± 0.81

148.952

<0.001

Increase in WAZ

     

 0-6 months

0.60 ± 0.80

1.24 ± 0.85

0.81 ± 0.88

39.400

<0.001

 6-12 months

−0.13 ± 0.47

−0.07 ± 0.59

−0.11 ± 0.51

0.589

0.444

 12-18 months

−0.18 ± 0.64

0.16 ± 0.49

−0.09 ± 0.63

15.303

<0.001

 0-18 months

0.29 ± 0.76

1.32 ± 0.76

0.60 ± 0.93

160.586

<0.001

Length-for-age z scores (LAZ)

     

 At birth

0.03 ± 0.64

−0.04 ± 0.62

0.00 ± 0.63

0.945

0.332

 At 6 months

0.48 ± 0.80

0.72 ± 0.93

0.57 ± 0.85

3.447

0.065

 At 12 months

0.41 ± 0.89

0.56 ± 0.91

0.46 ± 0.90

1.529

0.218

 At 18 months

0.32 ± 0.93

0.56 ± 0.86

0.41 ± 0.92

3.258

0.073

Increase in LAZ

     

 0-6 months

0.45 ± 0.94

0.76 ± 0.96

0.56 ± 0.95

4.770

0.030

 6-12 months

−0.08 ± 0.62

−0.16 ± 0.70

−0.10 ± 0.64

0.406

0.525

 12-18 months

−0.09 ± 0.76

−0.00 ± 0.68

−0.06 ± 0.73

0.579

0.448

 0-18 months

0.28 ± 1.09

0.60 ± 0.90

0.40 ± 1.04

4.561

0.034

BMI-for-age z scores (BAZ)

     

 At birth

0.02 ± 0.97

0.23 ± 0.88

0.09 ± 0.94

2.041

0.155

 At 6 months

0.47 ± 0.77

1.27 ± 0.93

0.72 ± 0.91

36.907

<0.001

 At 12 months

0.40 ± 0.64

1.28 ± 0.73

0.68 ± 0.80

69.581

<0.001

 At 18 months

0.19 ± 0.49

1.56 ± 0.45

0.61 ± 0.85

335.717

<0.001

Increase in BAZ

     

 0-6 months

0.45 ± 1.18

1.03 ± 1.16

0.63 ± 1.22

23.086

<0.001

 6-12 months

−0.07 ± 0.62

0.02 ± 0.69

−0.04 ± 0.64

0.738

0.391

 12-18 months

−0.20 ± 0.71

0.28 ± 0.64

−0.07 ± 0.76

22.459

<0.001

 0-18 months

0.18 ± 1.05

1.33 ± 1.01

0.51 ± 1.22

174.607

<0.001

  1. aAnalysis of covariance by adjustment of mother’s pre-pregnancy BMI for WAZ, LAZ and BAZ at birth, and by adjustment of birth weight and mother’s pre-pregnancy BMI for other variables