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Chapman, Derek A.; Scott, Keith G.; Mason, Craig A. – American Journal on Mental Retardation, 2002
Predictive value of maternal age and education in relation to rates of mental retardation in a 3-year-birth cohort (n=267,277) was studied. Low maternal education placed individuals at increased risk for both educable mentally handicapped and trainable mentally handicapped placement. Older maternal age was associated with increased risk of mental…
Descriptors: Age Differences, Disability Identification, Educational Attainment, Infants