Frequency distribution of Household Food Insecurity (HFI) levels according to socio-demographic variables.

<p>Demographic Health Survey, Brazil 2006.^{<a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0045747#nt102" target="_blank">1</a>}</p>1<p>The column “n” presents real sample values and the column “%” presents values expanded to the Brazilian population.</p>2<p>P values refer to the Chi-square test for differences in proportions.