Table 4 Prevalence rates of anemia among indigenous children < 60 months according to place of delivery, nutritional status, occurrence of diarrhea, and use of iron sulfate, First National Survey of Indigenous People’s Health and Nutrition, Brazil, 2008–2009

Place of delivery ^†

  Hospital

3235

47.88

1.00

Reference

  Village

2141

58.96

1.23

1.12-1.36

Birth weight (grams)

  ≥ 2500

3202

50.82

1.00

Reference

  < 2500

271

50.83

1.00

0.86-1.17

Weight-for-age (z-score) ^†

p = 0.000*

  ≥ 0

1502

46.07

1.00

Reference

  < 0 and ≥ −1

2135

49.29

1.07

0.98-1.16

  < −1

1749

60.28

1.31

1.21-1.41

Height-for-age (z-score) ^†

p = 0.000*

  ≥ 0

602

41.00

1.00

Reference

  < 0 and ≥ −1

1210

46.00

1.12

1.01-1.25

  < −1

3533

55.83

1.36

1.21-1.53

Weight-for-height (z-score) ^†

p = 0.212*

  ≥ 0

3471

50.84

1.00

Reference

  < 0 and ≥ −1

1508

51.12

1.00

0.93-1.09

  < −1

369

57.16

1.12

1.01-1.26

Diarrhea during the prior week ^†

  No

3847

47.58

1.00

Reference

  Yes

1509

63.02

1.32

1.22-1.43

Iron sulfate use

  Yes

893

50.50

1.00

Reference

  No

4388

51.30

1.02

0.90-1.15