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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 4.

Results of models 1-4 of maternal and paternal SMI predicting ASD and ADHD

Predictors Model 1 Model 2 Model 3 Model 4
HR 95% CI HR 95% CI HR 95% CI HR 95% CI
ASD
 Maternal SMI 2.04* 1.78-2.34 1.99* 1.74-2.28 1.73* 1.50-1.99 1.72* 1.46-2.02
 Paternal SMI 1.98* 1.72-2.28 1.92* 1.66-2.21 1.59* 1.37-1.85 1.56* 1.31-1.86
ADHD
 Maternal SMI 2.16* 1.97-2.37 2.09* 1.90-2.29 1.59* 1.44-1.75 1.56* 1.39-1.74
 Paternal SMI 2.21* 2.01-2.43 2.13* 1.94-2.35 1.47* 1.32-1.62 1.36* 1.21-1.54

Note: SMI= severe mental illness, ASD = Autism Spectrum Disorder, ADHD = Attention Deficit Hyperactivity Disorder, HR = hazard ratio, CI = confidence interval,

*

p<0.05. Model 1 controlled for offspring sex and parity. Model 2 additionally controlled for SMI in the other parent. Model 3 additionally controlled for all measured covariates. Model 4 additionally controlled for gestational age, birth weight, and small for gestational age.