Marianne M. Hillemeier|Paul L. Morgan|George Farkas|Steve Maczuga
Perinatal and Socioeconomic Risk Factors for Variable and Persistent Cognitive Delay at 24 and 48 Months of Age in a National Sample
Pennsylvania State University|Pennsylvania State University|University of California, Irvine|Pennsylvania State University
objective paper examine patterns cognitive delay 24 48 months quantify effects perinatal sociodemographic risk factors persistent variable cognitive delay using data 7200 children early childhood longitudinal study birth cohort eclsb multiple logistic regression models identified significant predictors low cognitive functioning 24 48 months additional multiple logistic models predicting cognitive delay 48 months estimated separately children without delay 24 months nearly 1000 children delayed 24 months 242 remained delayed 48 months 79 children delayed 24 months exhibited delay 48 months low low birthweight increased cognitive delay risk 24 48 months low maternal education strongly increasing effect 23 24 months 137 48 months low family income 14 24 months 70 48 months among children delayed 24 months low maternal education predicted delay even strongly 48 months 305 low cognitive functioning highly dynamic 24 48 months although gestational factors including low birthweight increase childrens risk cognitive delay 24 months low maternal education family income prevalent pediatric population much stronger predictors persistent emerging delay ages 24 48 months