Nutritonal iron intake (mg/day)

Period (weeks of gestation)

Frequency of anemia

OR

CI 95%

p

14 - 19

39/39 (100%)

2.2

1.7 - 2.9

0.101

<48

28 - 32

43/44 (97.7%)

3.1

0.3 - 35.5

0.358

At term

38/39 (97.4%)

2.3

0.2 - 26.6

0.459

14 - 19

39/39 (100%)

2.3

1.7 - 2.9

<0.05

<47

28 - 32

43/44 (97.7%)

4.8

0.5 - 48.3

0.179

A term

38/39 (97.4%)

3.6

0.4 - 35.9

0.267

14 - 19

38/39 (97.4%)

15.2

1.8 - 126.2

<0.01

<35

28 - 32

41/44 (93.2%)

4.9

1.2 - 20.7

<0.03

A term

35/39 (89.7%)

2.2

0.6 - 8.2

0.198

14 - 19

11/39 (28.2%)

13.4

1.6 - 109.9

<0.01

<21

28 - 32

11/44 (25%)

9.7

1.2 - 79.5

<0.02

At term

8/39 (20.5%)

2

0.6 - 7.3

0.230

14 - 19

7/39 (17.9%)

0.5

0.4 - 0.6

<0.01

<19

28 - 32

7/44 (15.9%)

0.6

0.5 - 0.7

<0.03

At term

5/39 (12.8%)

2.4

0.4 - 13.4

0.262

14 - 19

4/39 (10.3%)

0.5

0.4 - 0.6

0.071

<18

28 - 32

4/44 (9.1%)

0.6

0.5 - 0.7

0.118

At term

3/39 (7.7%)

2.8

0.3 - 28.6

0.349