Early-Life Environmental and Child Factors Associated with the Presence of Disruptive Behaviors in Seven-Year-Old Children with Autistic Traits in the Avon Longitudinal Study of Parents and Children.
Simone Breider, Pieter J Hoekstra, Klaas J Wardenaar and 3 others
PMID 34247301WHAT IT FOUND
Many early-life factors link to disruptive behaviors in autistic children, not just autism itself.
Smoking, difficult temperament, and family stress were specific to the disruptive group. Screen for these to tailor behavioral support.
Key findings
01Prenatal smoking, maternal antidepressant use, difficult child temperament, and a negative preschool family environment were associated with disruptive behaviors in children with autistic traits, but not with autistic traits alone.
02Child male sex, maternal depression, and a less optimal preschool family environment were associated with both autistic traits with disruptive behaviors and autistic traits without disruptive behaviors compared to controls.
03The model predicting disruptive behaviors in children with autistic traits explained about 20% of the variance, while the model for autistic traits without disruptive behaviors explained about 10%.
STILL TO COME
How it was doneWhat they foundWhat it means for OTsWhat it means for SLPs
Read the rest of this summary
You get three full summaries a month, free, and we do not ask for a card. Search, the TL;DRs and your library stay unlimited either way.
What it does not show
The study used a cut-off score for autistic traits rather than a clinical diagnosis, which may include children who would not meet criteria for ASD. The analysis identified associations but could not determine the strength of individual factors or prove causation. The models explained only 10-20% of the variance, meaning many other factors influencing these outcomes were not captured. Participants with missing data were excluded or analyzed in subsets, which may introduce selection bias.
Declared interests
The study was funded by the UK Medical Research Council, Wellcome, and the University of Bristol. No specific conflicts of interest for the authors were reported in the provided text.
The easy way to misread this
Do not interpret these findings as evidence that smoking or antidepressants cause autism. The study shows associations with disruptive behaviors in children who already have autistic traits, and the models explain only a small portion of the variance, so these factors are not deterministic predictors.