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Table 1 Prevalence rates of anemia among indigenous children < 60 months according to geopolitical region, sex, age, and socioeconomic characteristics, First National Survey of Indigenous People’s Health and Nutrition, Brazil, 2008–2009

From: Prevalence of anemia and associated factors among indigenous children in Brazil: results from the First National Survey of Indigenous People’s Health and Nutrition

Characteristic studied

N

Prevalence (%)

PR

CI 95%

Region

  Northeast

1211

41.06

1.00

Reference

  South/Southeast

765

47.95

1.17

0.95-1.44

  Central-West

1141

51.52

1.25

1.04-1.51

  North

2280

66.40

1.62

1.36-1.92

Child's sex

  Female

2635

49.60

1.00

Reference

  Male

2761

52.79

1.06

1.01-1.13

Child’s age (months)

  

p = 0.000*

 

  6–11

673

80.24

1.00

Reference

  12–23

1198

68.21

0.85

0.78-0.92

  24–35

1170

48.78

0.61

0.55-0.67

  36–47

1239

39.42

0.49

0.44-0.55

  48–59

1117

32.86

0.41

0.36-0.47

Maternal schooling (years)

  

p = 0.000*

 

  0

950

57.23

1.39

1.23-1.56

  1–4

2370

52.70

1.28

1.15-1.42

  5–9

1345

49.90

1.21

1.08-1.35

  ≥ 10

683

41.25

1.00

Reference

Regular income

  Yes

2217

48.97

1.00

Reference

  No

3168

52.86

1.08

1.01-1.15

Household goods index (tertile)

  

p = 0.000*

 

  1st

1802

59.85

1.38

1.23-1.54

  2nd

2083

51.73

1.19

1.09-1.30

  3rd

1512

43.50

1.00

Reference

  1. PR Prevalence ratio.
  2. CI Confidence interval.
  3. *χ 2 test for linear trend.
  4. Variable retained for multivariate analysis.