Table 3. Crude and adjusted linear regression models for the effect of the Household Food Insecurity (HFI) level on body mass index for age (BMI-Z) and weight for height (WHZ).

		BMI-Z
	n	crude ß	95% CI	p 2	adjusted3 ß	95% CI	p 2
Household Food Insecurity	3,433			0.047			0.501
Security	1,710	reference	-		reference	-
Mild insecurity	944	−0.02	−0.16–0.11		0.01	−0.12–0.14
Moderate+severe insecurity	779	−0.19	−0.35–−0.03		−0.09	−0.27–0.08

Demographic Health Survey, Brazil 2006.¹

¹Estimates were weighted and 95% CI were corrected to take into account the complex sampling design;

²p values refers to the Wald test for multiple comparisons;

³Adjusted for geographical region of household, place of household, household income quartiles, mothers' skin color, mothers' years of schooling, mothers' smoking habit, mothers' marital status, child sex, age, order of birth and number of children 0–60 months of age living in the household.

CI: confidence interval.