Differences in median age at first evaluation noting developmental concern in
children with autism spectrum disorder at the deciles and corresponding
95% confidence intervals comparing children of mothers of advanced
maternal age to those with mothers not of advanced maternal age, identified by
the Autism and Developmental Disabilities Monitoring Network in 2008, 2010, and
2012
Advanced maternal age (AMA) defined as childbirth at ≥35 years of age
Difference is age at first evaluation noting developmental concern for children
of AMA mothers – non-AMA mothers
Adjusted model controlled for maternal race/ethnicity, maternal education, study
site, child year of birth, child gestational age, paternal age, parity, birth
order, and record type with multiple imputation to account for missing paternal
age data.