Skip to main content
. Author manuscript; available in PMC: 2010 Feb 10.
Published in final edited form as: Biol Psychiatry. 2007 Sep 14;63(3):325. doi: 10.1016/j.biopsych.2007.07.013

Table 3.

Pearson Correlations of Blood Lead with Key Demographic and Behavioral Measures

Child Lead Maternal Lead
Gender of the Child −.28a −.06
Age of the Child −.03 .20b
Child Estimated FSIQ −.18b .10
Household Income −.27a −.01
DSM-IV Inattention .18b −.10
DSM-IV Hyperactivity .31a .03
DSM-IV ADHD Diagnosis .24a −.10
DSM-IV Conduct Disorder .02 .21b
Conners Rating Scale Cognitive Problems .14 −.10
Conners Rating Scale Hyperactivity .25a −.10
Conners Rating Scale Oppositional .18b −.06
Conners Rating Scale ADHD Index .17b −.06
CBCL Attention Problems .21b −.09

The DSM-IV scores represent symptom counts derived from the “or” algorithm counting symptoms from parent KSADS and teacher ADHD Rating Scale. FSIQ, Estimated Full Scale Intelligence Quotient; Conners Rating Scale, parent rated Conners Revised Short Form; Cognitive Problems, inattention symptoms on that scale; CBCL, maternal rated Child Behavior Checklist; other abbreviations as in Table 1.

a

p < .01.

b

p < .05.