Effect of Children's Autism Spectrum Disorder Severity on Family Strain and Sleep Quality: A Cross-Sectional Online Survey in the U.S.
Gonzalo Durán-Pacheco, Mariabeth Silkey, Michelle Johnson and 4 others
PMID 35118575WHAT IT FOUND
Higher autism severity in children was linked to worse child sleep and greater caregiver strain.
Child sleep problems played a small mediating role in caregiver strain. Caregiver sleep quality was driven mainly by household income, not directly by the child's autism severity.
Key findings
01Caregiver strain scores increased as child autism severity (AIM score) increased, with median strain rising from 15 in the lowest quartile to 27 in the highest.
02Poor child sleep quality was associated with greater caregiver strain, and child sleep mediated a small fraction (5.6% to 13.9%) of the effect of autism severity on caregiver strain.
03Household income was the most important driver of caregiver sleep quality, while child autism severity had no direct effect on caregiver sleep once child sleep and caregiver strain were accounted for.
STILL TO COME
How it was doneWhat they foundWhat it means for OTs
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What it does not show
The cross-sectional design prevents establishing causality or directionality, particularly regarding feedback loops between sleep and behavior. Sleep quality was assessed using a single, self-designed question rather than validated instruments or objective measures like actigraphy. Data relied entirely on caregiver report, which may be subject to recall bias and does not capture the child's own perception of sleep or symptoms. The study did not account for sleep interventions or treatments the families might have been using. Subgroups, such as children with intellectual disability, were not analyzed due to incomplete data.
Declared interests
The study was facilitated by the Simons Foundation Powering Autism Research for Knowledge (SPARK). The text does not explicitly state other funding sources or individual author conflicts of interest beyond the SPARK affiliation.
The easy way to misread this
Do not conclude that treating the child's autism severity directly improves caregiver sleep. The study found no direct link between autism severity and caregiver sleep; the impact was mediated through child sleep problems and caregiver strain. Improving caregiver sleep may require addressing family stress and socioeconomic factors, not just the child's symptoms.