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. Author manuscript; available in PMC: 2015 Sep 1.
Published in final edited form as: Ann Epidemiol. 2014 May 23;24(9):629–634.e1. doi: 10.1016/j.annepidem.2014.05.010

Table 3.

Results of pregnancy outcomes predicting ASD and ADHD

Predictors BASELINE ADJUSTED
HR 95% CI HR 95% CI
ASD
 Preterm Birth 1.53* 1.40-1.67 1.47* 1.34-1.62
 Low Birth Weighta 1.92* 1.74-2.13 1.79* 1.60-2.00
 Small for Gestational Agea 1.69* 1.50-1.91 1.50* 1.32-1.71
ADHD
 Preterm Birth 1.53* 1.43-1.62 1.42* 1.31-1.51
 Low Birth Weighta 1.90* 1.77-2.04 1.73* 1.61-1.87
 Small for Gestational Agea 1.71* 1.57-1.86 1.58* 1.45-1.73

Note: None of the cases missing birth weight or SGA had a diagnosis of ASD or ADHD, so missing birth weight and SGA were dropped from the analyses; ASD = Autism Spectrum Disorder, ADHD = Attention Deficit Hyperactivity Disorder, HR = hazard ratio, CI = confidence interval,

*

p<0.05. The baseline model controlled for offspring sex and parity. The adjusted model additionally controlled for all measured covariates.