Table 2 Comparison of maternal baseline characteristics in late gestation between mothers who finished the follow up to 4 months vs. mothers who did not finish the follow up

Maternal characteristics

Maternal age (y)(mean, SD)

26.8 (± 6.1)

27.2 (± 6.1)

25.6 (± 5.9)

1.6

-1.2, 4.4

0.19

Nationality (n, %)

 Colombian

71 (78.9)

52 (80)

19 (76)

1.1

0.8, 1.5

0.77

 Venezuelan

19 (21.1)

13 (20)

6 (24)

Health care insurance (n, %)

 Transitory health insurance

20 (22.2)

13 (20)

7(28)

0.87

0.6, 1.2

0.41

 Subsudized coverage

64 (71.1)

47 (72.3)

17 (68)

1.06

0.8, 1.4

0.79

 Contributive health plan

6 (6.7)

5 (7.7)

1 (4)

1.2

0.8, 1.7

0.99

Years living in Bogotá (mean, SD)

13 (± 11.8)

13.8 (± 12.1)

10.7 (± 10.7)

3.2

-2.3, 8.7

0.42

Parity (n, %)

 Primiparous

38 (42.2)

30 (46.2)

8 (32)

0.85

0.7, 3.2

0.24

 Multiparous

52 (57.8)

35 (53.8)

17 (68)

Years of education (mean, SD)

11.7 (± 3.2)

11.8 (± 3.0)

11.2 (± 3.6)

0.6

-1.0, 2.2

0.49

Mother lives with the partner (n, %)

 Yes

63 (70)

45 (69.2)

18 (72)

1.03

0.8, 1.4

0.99

 No

27 (30)

20 (30.8)

7 (28)

Maternal occupation (n, %)

 Employed/Independent/Student

23 (25.6)

19 (29.2)

4 (16)

0.55

0.2, 1.4

0.28

 Unemployed

67 (74.4)

46 (70.8)

21 (84)

Pregestational nutritional status (n, %)

 Normal (BMI 20.0–25.0 kg/m²)

19 (21.1)

15 (25.9)

4 (18.2)

nd

nd

nd

 Overweight (BMI 25.1–30.0 kg/m²)

40 (44.4)

29 (50)

11 (50)

 Obesity (BMI > 30.1 kg/m2)

21 (23.3)

14 (24.1)

7 (31.8)

Maternal weight gain during pregnancy (kg)(mean, SD)

12.4 (± 5.8)

12.2 (± 5.5)

12.8 (± 6.5)

0.61

-3.5, 2.2

0.67

Gestational BMI (kg/m²)(mean, SD)

33.4 (± 3.4)

33.4 (± 3.5)

33.4 (± 3.0)

0.001

-1.6, 1.6

0.77

Physical activity during gestation

 Sedentary (< 1.49 MET/h/d)

43 (47.8)

35 (53.8)

8 (32)

3.6

1.2, 11.3

0.04*

 Light (1.5–2.9 MET/h/d)

25 (27.8)

18 (27.7)

7 (28)

2.1

0.6, 7.1

0.21

 Moderate/Vigorous (> 3.0 MET/h/d)

16 (17.8)

12 (18.5

10 (40)

1

Screen time (h) (TV and cellular phone)

6.8 (± 3.9)

Breastfeeding support and expertise

Family and/or friends support (n, %)

 Yes

85 (94.4)

61 (93.8)

24 (96)

nd

nd

nd

 No

5 (5.6)

4 (6.2)

1 (4)

Breast-fed a previous infant (n, %)

 Yes

48 (53.3)

34 (52.3)

14 (56)

1.04

0.8, 1.3

0.81

 No

42 (46.7)

31 (47.7)

11 (44)

Breast and nipple problems (self-reported)

Normal form of the breast (n, %)

 Yes

87 (96.7)

63 (96.9)

24 (96)

nd

nd

nd

 No

3 (3.3)

2 (3.2)

1 (4)

Large breast (n, %)

 Yes

35 (38.9)

22 (33.8)

13 (52)

1.2

0.9, 1.6

0.15

 No

55 (61.1)

43 (66.2)

12 (48)

Normal nipple (n, %)

 Yes

77 (85.6)

54 (83.1)

23 (92)

nd

nd

nd

 No

13 (14.4)

11 (16.9)

2 (8)

Maternal feeding practices

Food intolerances during gestation (n, %)

 Yes

52 (57.8)

36 (55.4)

16 (64)

1.1

0.8, 1.4

0.48

 No

38 (42.2)

29 (44.6)

9 (36)

Alcohol consumption (n, %)

 Yes

5 (5.6)

4 (6.2)

1 (4)

nd

nd

nd

 No

85 (94.4)

61 (93.8)

24 (96)

Smoking (n, %)

 Yes

0

0

0

nd

nd

nd

 No

90 (100)

65 (100)

25 (100)

Second hand smoking (n, %)

 Yes

24 (26.7)

18 (27.7)

6 (24)

0.9

0.7, 1.2

0.79

 No

66 (73.3)

47 (72.3)

19 (76)

Monthly food expenditure (US$)(mean, SD)

27.88 (± 14.88)

26.3 (± 12.7)

31.9 (± 19.3)

-5.5

-12.6, 1.5

0.38

Supplementation (n, %)

 Yes

71 (78.8)

49 (75.4)

22 (88)

nd

nd

nd

 No

19 (21.2)

16 (24.6)

3 (12)

Other medications (n, %)^a

 Yes

33 (36.7)

23 (35.4)

10 (40)

1.05

0.8, 1.4

0.80

 No

57 (63.3)

42 (64.6)

15 (60)

Maternal intake (kcal)(mean, SD)

2053.7 (± 501.3)

2052 (± 528)

2056 (± 432)

-4.5

-240, 231

0.83