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Table 2 Results of regression analyses for prediction of NBAS cluster scores based on CBL and other covariates in all neonates (left column) and neonates with CBL levels <10 μg/dL.

From: Association of umbilical cord blood lead with neonatal behavior at varying levels of exposure

NBAS cluster All Neonates Neonates with CBL < 10 μg/dL
  Unadjusted (coefficient, p) Adjusted (coefficient, p) Unadjusted (coefficient, p) Adjusted (coefficient, p)
Habituation 0.0145, 0.468 0.0292, 0.213 -0.0432, 0.812 -0.0057, 0.988
Orientation 0.0092, 0.853 0.0176, 0.753 0.2823, 0.518 1.5972, 0.053
Motor 0.0188, 0.446 0.0108, 0.724 -0.2733, 0.136 0.4154, 0.282
Range of state -0.0304, 0.196 -0.0419, 0.085 -0.5135, 0.008 -0.1957, 0.548
Regulation of state 0.0030, 0.930 0.0458, 0.336 -0.7138, 0.010 -1.2912, 0.036
Autonomic stability -0.0567, 0.008 -0.0506, 0.077 -0.1219, 0.462 -0.3156, 0.507
Abnormal reflexes* 0.0118, 6.8 × 10-5 0.0073, 0.084 -0.0487, 0.163 -0.1049, 0.168
  1. List of the covariates is provided in the Methods section, Study Variables subsection
  2. * Estimated using Poisson regression analysis