Table 2 Anemia prevalence and mean hemoglobin levels of Indigenous women according to household characteristics. First National Survey of Indigenous People’s Health and Nutrition. Brazil, 2008–2009

Housing condition index

0.001

<0.001

  1^st tertile

2245

Reference (1)

Reference (0)

  2^nd tertile

2160

0.78 (0.62; 0.98)

0.27 (0.12; 0.43)

  3^rd tertile

2188

0.63 (0.49; 0.80)

0.43 (0.24; 0.62)

Sanitation index

0.145

0.012

  1^st tertile

2995

Reference (1)

Reference (0)

  2^nd tertile

1768

0.92 (0.71; 1.20)

-0.02 (-0.22; 0.18)

  3^rd tertile

1805

0.79 (0.63; 1.01)

0.25 (0.04; 0.46)

Purchased foods index

<0.001

<0.001

  1^st tertile

2360

Reference (1)

Reference (0)

  2^nd tertile

2768

0.90 (0.77; 1.04)

0.11 (-0.02; 0.24)

  3^rd tertile

1502

0.61 (0.50; 0.75)

0.42 (0.26; 0.57)

Wild foods index

<0.001

<0.001

  1^st tertile

2612

Reference (1)

Reference (0)

  2^nd tertile

2873

1.48 (1.26; 1.73)

-0.26 (-0.39; -0.13)

  3^rd tertile

1145

1.80 (1.37; 2.37)

-0.49 (-0.71; -0.27)

Garden produced index

<0.001

<0.001

  1^st tertile

2199

Reference (1)

Reference (0)

  2^nd tertile

2185

0.68 (0.58; 0.79)

0.31 (0.18; 0.43)

  3^rd tertile

2246

0.94 (0.79; 1.13)

0.09 (-0.05; 0.24)

Household goods index

<0.001

<0.001

  1^st tertile

2234

Reference (1)

Reference (0)

  2^nd tertile

2191

0.76 (0.65; 0.89)

0.23 (0.11; 0.35)

  3^rd tertile

2226

0.58 (0.47; 0.71)

0.46 (0.30; 0.63)

Regular household income

0.217

0.195

  Yes

3134

Reference (1)

Reference (0)

  No

3499

1.08 (0.95; 1.23)

-0.07 (-0.16; 0.03)

Food shortages

0.026

0.001

  Yes

4673

Reference (1)

Reference (0)

  No

1908

0.83 (0.71; 0.98)

0.16 (0.06; 0.27)