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Quadratic Regression Analyses: Childhood Intelligence Quotient, Reading Comprehension at 26, Verbal Fluency and National Adult Reading Test at Age 53 Regressed on Developmental Variables with Sex, Socioeconomic Conditions, Maternal Education, and Paternal Education Included in the Model as Covariates
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Bold type indicates p < 0.05.
IQ = intelligence quotient; CI = confidence interval; NART = National Adult Reading Test.
