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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