Skip to main content

Table 2 Correlation between Lead and Clinical Characteristics (n = 355)

From: Interaction between lead and noradrenergic genotypes affects neurocognitive functions in attention-deficit/hyperactivity disorder: a case control study

  R p-value
Age −.122 .022a
IQ −.045 .403
Continuous Performance Test
 Omission errors .158 .003a
 Commission errors .055 .304
 Response time .078 .151
 Response time variability .136 .010a
ADHD Rating Scale
 Inattention .153 .004a
 Hyperactivity-impulsivity .181 .001a
 Total .173 .002a
Stroop Color-Word Test
 Word reading score −.078 .157
 Color naming score −.057 .298
 Color-Word score −.013 .815
 Interference score .062 .272
  1. Note: a: Items that are still significant after the multiple comparison adjustment with the 0.05 false discovery rate threshold which have a p-value <.05
  2. ADHD attention-deficit/hyperactivity disorder, IQ intelligence quotient