title: [Exclusive breastfeeding in <6mo is associated to a better weight for length in households with food insecurity in Mexico].
abstract: OBJECTIVE
  To evaluate the effect of exclusive breastfeeding in <6mo (EBF<6mo) on the relationship between food insecurity (FI) and nutritional status, in Mexican infants.
  
  
  METHODS
  We analyzed the sample of 12-49y women and their children <2y from the national survey ENSANUT 2012 (n = 4 022). Breastfeeding indicators from WHO-2008 were calculated. We estimated the effect modifier EBF<6mo of the relationship between FI and weight length (Z W/L) and length for age (Z L/A) Z score.
  
  
  RESULTS
  The EBF<6mo was lower in households (hh) with moderate and severe FI than in those with food security (FS) or mild FI hh. Only EBF<6mo infants from hh with moderate and severe FI showed greater Z W/L (0.44) than those without EBF<6mo (p= 0.038, one-tailed). Score Z W/L of infants from hh FS did not vary according to EBF<6mo.
  
  
  CONCLUSIONS
  EBF<6mo in Mexican infants is associated with better weight for length in households with moderate and severe FI. Breastfeeding promotion, protection and support must be targeted mainly at the most vulnerable, food insecure families.
authors: Centro de Investigación en Nutrición y Salud, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, México.
authors: Teresita
authors: T
authors: González-de Cossío
authors: Centro de Investigación en Nutrición y Salud, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, México.
authors: Leticia
authors: L
authors: Escobar-Zaragoza
authors: Centro de Investigación en Nutrición y Salud, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, México.
authors: Dinorah
authors: D
authors: González-Castell
authors: Centro de Investigación en Nutrición y Salud, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, México.
authors: Teresa
authors: T
authors: Shamah-Levy
authors: Centro de Investigación en Nutrición y Salud, Instituto Nacional de Salud Pública, Cuernavaca, Morelos, México.
authors: Juan A
authors: JA
authors: Rivera-Dommarco
mesh_terms: D000293:Adolescent; D000328:Adult; D001827:Body Height; D001835:Body Weight; D001942:Breast Feeding / Q000706:statistics & numerical data*; D005260:Female; D005523:Food Supply; D006801:Humans; D007223:Infant; D008800:Mexico; D008875:Middle Aged; D009752:Nutritional Status; D013997:Time Factors; D055815:Young Adult