Table 3.

Multivariate regression analysis of associations with PIQ score (BP defined categorically)

CharacteristicRegression Coefficient95% CI
EBP (yes/no)−3.7−7.3 to −0.06
Male (yes/no)4.00.41 to 7.6
African American (yes/no)−8.8−13.0 to −4.3
Hispanic (yes/no)−0.22−5.7 to 4.7
Maternal education
    <13 years
    13 to 15 years3.1−1.1 to 7.4
    ≥16 years9.25.1 to 13
Age, years−0.5−1.1 to 0.07
BMI percentile−0.01−0.07 to 0.05
iGFRa1.0−0.02 to 2.0
% life with CKDa−0.29−0.84 to 0.26
Low birth weight (yes/no)−4.5−9.0 to 0.09
Antihypertensive medication (yes/no)−0.13−4.0 to 3.7
Hemoglobin, g/dl−0.3−1.1 to 0.49
  • PIQ, performance IQ; EBP, elevated BP; BMI, body mass index; iGFR, GFR determined by plasma iohexol disappearance; CKD, chronic kidney disease; CI, confidence interval.

  • a per 10 units.