Autism spectrum disorders in relation to parental occupation in technical fields.
Mothers in technical jobs have slightly higher odds of having a child with autism—worth noting during intake.
01Research in Context
What this study did
The team looked at the kids with autism and 659 kids without it.
They asked parents what jobs they had when the child was born.
They sorted jobs into tech fields like engineering, computer work, and lab science.
What they found
Moms in tech jobs were 2.5 times more likely to have a child with autism.
This link only showed up for mothers, not fathers.
The effect was small but clear across all tech fields.
How this fits with other research
Machado et al. (2024) took this further by testing parents for sensory issues.
They found both moms and dads of kids with autism show odd sensory patterns.
This extends the 2009 work by showing family traits go beyond job choice.
Granader et al. (2014) used parent reports to map autism traits, showing how we can measure family patterns in different ways.
Why it matters
When you take a developmental history, note if mom worked in tech. This single data point adds to your risk picture. Combine it with sensory screening from Machado et al. (2024) to build a fuller family profile.
Want CEUs on This Topic?
The ABA Clubhouse has 60+ free CEUs — live every Wednesday. Ethics, supervision & clinical topics.
Join Free →Add 'mother's occupation at birth' to your intake form under family history.
02At a glance
03Original abstract
A previous study reported that fathers of children with autism spectrum disorders (ASD) were more likely to work as engineers, requiring "systemizing skills," and suggesting a distinct phenotype, but alternatively this may have been related to selection biases. We conducted a population-based study to explore whether fathers, or mothers, of children with ASD are over-represented in fields requiring highly technical skills. Subjects included 284 children with ASD and 659 gender-matched controls, born in 1994 in the San Francisco Bay Area. Parental occupation and industry were abstracted verbatim from birth certificates. Engineering, computer programming, and science were examined as highly technical occupations. To limit bias by parental socio-economic status, we selected a referent group of occupations that seemed professionally similar but of a less technical nature. Odds ratios (ORs) and 95% confidence intervals (CI) were calculated by logistic regression, adjusting for parental age, education, and child race. Mothers of cases were somewhat more likely to work in hi-tech occupations (6.7%) than mothers of controls (4.0%, P=0.07), but little difference was observed among fathers, nor for engineering separately. Compared to parents in other "white collar" occupations, the adjusted OR for highly technical occupations among mothers was 2.5 (95% CI: 1.2-5.3) and among fathers was 1.3 (95% CI: 0.79-2.1), with no evidence of a joint effect observed. Our results regarding maternal occupation in technical fields being associated with ASD in offspring suggest further study to distinguish parental occupation as a phenotypic marker of genetic loading vs. other social or exposure factors.
Autism research : official journal of the International Society for Autism Research, 2009 · doi:10.1002/aur.84