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. Author manuscript; available in PMC: 2012 Jun 1.
Published in final edited form as: Epilepsy Behav. 2011 May 4;21(2):147–152. doi: 10.1016/j.yebeh.2011.03.020

Table 2.

Pearson correlations (95% confidence intervals), p values, and sample sizes for maternal and paternal IQ and education.

Group Maternal & Paternal IQ Maternal1 & Paternal1 Education Maternal IQ & Education1 Paternal IQ & Education1
Child DAS and both parent TONIs available 0.38 (0.22–0.52)
p<.0001
n=135		 0.66 (0.55–0.74)
p<.0001
n=135		 0.60 (0.48–0.70)
p<.0001
n=135		 0.57 (0.45–0.68)
p<.0001
n=135
All subjects available2 0.35 (0.20–0.48)
p<.0001
n=157		 0.65 (0.58–0.71)
p<.0001
n=276		 0.55 (0.46–0.62)
p<.0001
n=303		 0.57 (0.45–0.67)
p<.0001
n=156
1

Total number of years of schooling reported.

2

For maternal IQ, TONI was used primarily. If TONI was missing WASI or WAIS was used, and these were missing NART was used. See Methods for details.