Table 3.

Summary of logistic regressions

Variable	p Value for variable alone, unadjusted	p Value for variable adjusted for AED in model	p Value for AED effect adjusted for variable in model
Baseline, AED only		0.005
Maternal age	0.61	0.36	0.004
Maternal IQ	0.73	0.46	0.02
Education (5 levels)	0.83	0.65	0.005
Post–high school education (yes/no)	0.21	0.14	0.005
Alcohol use (yes/no)	0.76	0.68	0.005
Tobacco use (yes/no)	0.62	0.45	0.004
Race(5 categories)	0.50	0.54	0.02
Race (2 categories)	0.75	0.78	0.01
Gestational age at enrollment	0.32	0.26	0.002
Birth weight	0.71	0.87	0.003
Convulsive seizures	0.26	0.18	0.003
Nonconvulsiveseizures	0.64	0.29	0.005
Folate (yes/no)	0.40	0.59	0.005
Seizure type	0.21	0.42	0.02
AED dose1st trimester	0.004	0.003	0.004
AED doseentire pregnancy	0.003	0.002	0.004
History of pregnancy abnormality	0.74	0.80	0.005
Socioeconomic status²⁷	0.56	0.65	0.01

AED = antiepileptic drug.