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Table 1 Variables organized according to the temporal proximity to outcome

From: Gestational, perinatal, and postnatal factors that interfere with practice of exclusive breastfeeding by six months after birth

Distal level Intermediate distal level Proximal intermediate level Proximal level Outcome
Maternal sociodemographic variables Prenatal care variables Variables related to the period of delivery Postnatal variables Cessation of EBF by six months after birth
• Maternal age • Planning of the last pregnancy • Number of pregnancies • Time of first baby suckling after birth  
• Maternal schooling • Number of prenatal visits attended • Period of birth • Initial maternal difficulty with BF  
• Remunerated activity performed • Maternal prenatal guidance about BF • Classification of birth • Maternal guidance about BF after birth  
• Maternal experience with EBF for at least one month     
• Maternal experience with EBF for at least six months