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Table 1 Baseline characteristics compared between WLZ categories, ENSIN 2010

From: Associations between maternal BMI, breastfeeding practices and infant anthropometric status in Colombia; secondary analysis of ENSIN 2010

 

Overall (n = 5030)

WLZ

Wasting <−2 SD (n = 74)

Normal ≥ − 2 SD, ≤ + 2 SD (n = 4663)

Overweight > + 2 SD (n = 293)

OR

95% CI

p value

/Difference

Sociodemographic characteristics (n, %)

 Type of place of residence

  Rural

1841 (36.6)

27 (36.5)

1706 (36.6)

108 (36.9)

0.98 b

0.77, 1.26

0.92

  Urban

3189 (63.4)

47 (63.5)

2957 (63.4)

185 (63.1)

0.99 a

0.62, 1.60

0.98

 Wealth index

  Poorer and poorest

3167 (63)

54 (73)

2937 (63)

176 (60.1)

1.35 a

0.72, 2.53

0.35

    

1.03 b

0.75, 1.43

0.82

  Middle

945 (18.8)

12 (16.2)

882 (18.9)

51 (17.4)

1

  

  Richer and richest

918 (18.3)

8 (10.8)

844 (18.1)

66 (22.5)

0.54 a

0.26, 1.13

0.13

    

1.35 b

0.92, 1.97

0.12

Maternal characteristics

 Age (y) (mean, SD)

26.6, (±6.3)

28 (±6.3)

26.6 (±6.3)

26.3 (±6.1)

−1.4 a

−3.2, 0.35

0.16

    

0.3 b

−0.61, 1.21

0.99

 Maternal education (y) (mean, SD)

8.4, (±3.9)

6.9 (±4.3)

8.3 (±3.9)

9.1 (±3.6)

1.4 a

0.31, 2.54

0.01*

    

−0.8 b

−1.4, − 0.25

0.002*

 Ethnicity (n, %)

  Minorities

1406 (28)

22 (29.7)

1294 (27.8)

90 (30.7)

0.92 a

0.55, 1.51

0.69

  Mestizo

3624 (72)

52 (70.3)

3369 (72.2)

203 (69.3)

1.15 b

0.89, 1.49

0.27

 Currently working (n, %)

  Yes

2047 (40.7)

29 (39.2)

1888 (40.5)

130 (44.4)

0.94 a

0.59, 1.50

0.81

  No

2983 (59.3)

45 (60.8)

2775 (59.5)

163 (55.6)

1.17 b

0.92, 1.48

 

 Mother lives with the partner (n, %)

  Yes

3816 (75.9)

56 (75.7)

3527 (75.6)

233 (79.5)

0.99 a

0.58, 1.69

0.53

  No

1214 (24.1)

18 (24.3)

1136 (24.4)

60 (20.5)

1.25 b

0.93, 1.67

0.13

Pregnancy conditions

       

 Alcohol at pregnancy (n = 4577) (n, %)

 

n = 74

n = 4577

n = 291

   

  Yes

451 (9)

6 (8.1)

412 (9)

33 (11.3)

0.87 a

0.38, 2.03

0.48

  No

4491 (89.3)

68 (91.9)

4165 (91)

258 (88.7)

1.29 b

0.88, 1.88

0.18

 Smoked at pregnancy (n = 4577) (n, %)

 

n = 74

n = 4577

n = 291

   

  Yes

105 (2.1)

3 (4.1)

95 (2.1)

7 (2.4)

1.97 a

0.61, 6.37

0.21

  No

4837 (96.2)

71 (95.9)

4482 (97.9)

284 (97.6)

1.16 b

0.53, 2.52

0.70

 Caesarean section delivery (n, %)

       

  Yes

1579 (31.4)

21 (28.4)

1441 (30.9)

117 (39.9)

0.86 a

0.52, 1.44

0.62

  No

3451 (68.6)

53 (71.6)

3222 (69.1)

176 (60.1)

1.49 b

1.17, 1.89

< 0.001**

Infant caractetistics

 Birth weight (kg)(n = 3877) (mean, SD)

 

n = 53

n = 3585

n = 239

   

3.3, (±0.5)

3.2 (±0.6)

3.3 (±0.5)

3.4 (±0.5)

0.08 a

−0.08, 0.25

0.68

    

−0.17 b

−0.25, − 0.09

0.001**

 Gender (n, %)

  Male

2605 (51.8)

40 (54.1)

2416 (51.8)

149 (50.9)

0.91 a

0.57, 1.44

0.73

  Female

2425 (48.2)

34 (45.9)

2247 (48.2)

144 (49.1)

0.96 b

0.76, 1.21

0.75

Infant age (months) (mean, SD)

12.1, (±7.1)

8.9 (±6.9)

12.3 (±7.1)

11.1 (±6.9)

3.39 a

1.41, 5.37

0.001**

    

1.14 b

0.12, 2.15

0.02*

  1. Comparisons performed with χ2 test or Kruskall-Wallis test (all the continuous variables non-parametric distributed) as appropriate
  2. a Comparisons between normal and wasting
  3. b Comparisons between normal and overweight
  4. * Significance at the level of p < 0.05
  5. ** Significance at the level of p < 0.001
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