Factors

14 - 19 weeks

28 - 32 weeks

At term

Frequency

OR (CI 95%)

p

Frequency

OR (CI 95%)

p

Frequency

OR (CI 95%)

p

Pathologic SOD

Anemia

38/60 (63.3%)

22.5 (2.8 - 183.5)

<0.001

26/52 (50%)

0.7 (0.3 - 1.9)

0.323

26/48 (54.2%)

1.2 (0.5 - 3.1)

0.460

Low socioeconomic level

27/60 (45%)

10.6 (1.3 - 86.6)

<0.01

20/52 (38.5%)

1.1 (0.4 - 3.1)

0.540

20/48 (41.7%)

1.6 (0.6 - 4.4)

0.252

Intestinal parasitosis

32/60 (53.3%)

2.9 (0.8 - 10.1)

0.084

23/52 (44.2%)

0.6 (0.2 - 1.5)

0.180

23/48 (47.9%)

0.9 (0.4 - 2.4)

0.529

Geophagia

18/60 (30%)

5.6 (0.7 - 45.8)

0.070

14/52 (26.9%)

1.3 (0.4 - 4.04)

0.473

14/48 (29.2%)

1,7 (0.5 - 5.5)

0.259

Tannins and fibers

35/60 (58.3%)

3.5 (1.9 - 12.4)

<0.05

30/52 (57.7%)

1.9 (0.7 - 5.4)

0.143

26/48 (54.2%)

1.2 (0.5 - 3.1)

0.460

Patholologic oxidized LDL

Anemia

35/41 (85.4%)

42.3 (10.9 - 164.4)

<0.001

28/38 (73.7%)

6.4 (2.3 - 17.5)

<0.001

35/42 (83.3)

35 (9.3 - 131.7)

<0.001

Low socioeconomic level

25/41 (61%)

15.6 (4.1 - 59.8)

<0.001

21/38 (55.3)

5.1 (1.8 - 14.5)

<0.01

25/42 (59.5%)

14.2 (3.7 - 54.2)

<0.001

Intestinal parasitosis

25/41 (61%)

3.1 (1.2 - 8.1)

<0.02

22/38 (57.9%)

2.2 (0.9 - 5.5)

0.080

26/42 (61.9%)

3.6 (14 - 9.5)

<0.01

Geophagia

14/41 (34.1%)

2.9 (1.9 - 9.2)

<0.05

12/38 (31.6%)

1.9 (0.7 - 5.6)

0.177

15/42 (35.7%)

3.9 (1.2 - 13.2)

<0.03

Tannins and fibers

27/41 (65.9%)

3.4 (1.3 - 8.8)

<0.02

26/38 (68.4%)

3.8 (1.5 - 10.1)

<0.01

30/42 (71.4%)

6.4 (2.3 - 17.7)

<0.001