borderline significantp = 0.04
Tests for interactions between maternal ethnicity and blood pressures were not significant (data not shown), whereas the interactions between maternal BMI category and blood pressures (peripheral SBP, central SBP and PP) were borderline significant for small for gestational age (p = 0.04 to 0.06), and the interaction between maternal BMI category and central PP was significant for low birth weight (p = 0.01).