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Table 3 Regression coefficients with standard errors and P values for independent variables* in final model with infant fat mass (kg) as dependent variable

From: An anthropometric model to estimate neonatal fat mass using air displacement plethysmography

Independent Variable Coefficient Standard Error P
SConstant -0.012 0.246 0.962
Infant Gender -0.064 0.014 < 0.001
Ethnicity 0.046 0.017 0.010
Age at Measurement (days) 0.024 0.010 0.023
Weight (kg) -0.150 0.146 0.306
Weight2 (kg2) 0.055 0.022 0.013
Sum of Skin-fold Thicknesses (mm) 0.020 0.003 < 0.001
  1. R2 = 0.81, MSE = 0.08 kg
  2. * Infant gender: 1 = male and 0 = female; Ethnicity: 1 = Hispanic and 0 = not Hispanic; Age at measurement: number of days post-delivery; Weight: weight at measurement (kg); Weight2: weight at measurement squared (kg2); Sum of Skin-fold Thicknesses: sum of triceps, sub scapular, and thigh skin-fold thicknesses (mm)