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Table 1 Anemia prevalence and mean hemoglobin levels of Indigenous women according to village characteristics. First National Survey of Indigenous People’s Health and Nutrition, Brazil, 2008–2009

From: Anemia among indigenous women in Brazil: findings from the First National Survey of Indigenous People’s Health and Nutrition

   Anemia Hemoglobin (g/dL)
  na OR (95 % CI) p-value* β (95 % CI) p-value*
Indigenous Initiatives Project    0.255   0.547
  Yes 1729 Reference (1)   Reference (0)  
  No 4809 1.16 (0.90; 1.51)   -0.07 (-0.29; 0.15)  
Indigenous Community Healthcare Initiatives Project    0.130   0.044
  Yes 2090 Reference (1)   Reference (0)  
  No 4534 1.27 (0.93; 1.72)   -0.28 (-0.55; -0.01)  
Food Acquisition Project    0.681   0.653
  Yes 1733 Reference (1)   Reference (0)  
  No 4905 0.95 (0.73; 1.23)   0.05 (-0.18; 0.28)  
Population size    0.344   0.224
  1st tertile 633 Reference (1)   Reference (0)  
  2nd tertile 1866 0.72 (0.47; 1.12)   0.33 (-0.04; 0.71)  
  3rd tertile 3872 0.86 (0.62; 1.20)   0.16 (-0.14; 0.45)  
  1. OR odds ratio, CI confidence interval
  2. *Wald Test of heterogeneity
  3. aMaximum N for each category, which may vary between variables due to missing data