Factors

Anemia

14 - 19 gestational weeks

28 - 32 gestational weeks

At term

Frequency (n = 39)

OR

CI (95%)

p

Frequency (n = 44)

OR

CI (95%)

p

Frequency (n = 39)

OR

CI (95%)

p

Low socioeconomic level

27 (69.2%)

20.7

2.9 - 142.9

<0.001

24 (54.5%)

7.8

2.3 - 26.1

<0.001

18 (46.2%)

2.1

0.8 - 5.6

0.094

Intestinal parasitosis

24 (61.5%)

3.1

1.2 - 7.9

<0.02

22 (50%)

1.1

0.5 - 2.9

0.482

18 (46.2%)

0.8

0.3 - 2.02

0.413

Geophagia

16 (41%)

7.4

1.9 - 28.5

<0.01

14 (31.8%)

2.3

0.7 - 7.4

0.115

13 (33.3%)

2.4

0.8 - 7.3

0.092

Tanins and fibers

30 (76.9%)

9.6

3.3 - 27.9

<0.001

29 (65.9%)

3.9

1.5 - 10.3

<0.01

25 (64.1%)

2.7

1.1 - 6.9

<0.04