TABLE 4.

Multiple Linear Regression Models for 24-Hour Breast Milk Intake on Day 2 and at 1-Month Postpartum*

Day 2 (Adjusted R = 0.339)1 Month (Adjusted R = 0.366)
VariableCoefficientSEP ValueVariableCoefficientSEP Value
Constant−98.68199.855.325Constant183.796126.886.150
First weight (kg)64.98621.927.004First weight (kg)152.09433.624.000
BF duration (min)−0.3410.085.000BF duration (min)−0.7700.236.001
Initiate study (h)168.95835.359.000Parity (number)−17.11617.792.338
BF other mother on day 2−95.88141.193.022Pregnancy complication55.09227.280.046
Mother’s age (y)−4.9711.719.005Breastfeeds (number)14.0394.904.005
BFP (1 = yes)−40.71427.665.144
Parity BFP−57.77822.805.013
  • BF indicates breastfeeding; SE, standard error.

  • * n = 132; data for 1 birth weight was missing. Intake was adjusted for 3% insensible water loss.

  • Variable was centered for analysis.