Identifying Predictors of Momentary Negative Affect and Depression Severity in Adolescents with Autism: An Exploratory Ecological Momentary Assessment Study.
Aaron R Dallman, Antoine Bailliard, Clare Harrop
PMID 33677729WHAT IT FOUND
In 17 autistic boys, poor social interaction quality predicted higher momentary negative affect.
Early puberty showed more people boosted positive mood, while late puberty showed only interaction quality mattered. Emotional instability predicted parent-reported depression, but affect autocorrelation did not.
Key findings
01Poorer quality of social interaction significantly predicted higher momentary negative affect scores.
02For participants in early pubertal stages, higher levels of social interaction were associated with higher positive affect scores, whereas for late stages, only quality predicted positive affect.
03Positive affect instability predicted parent-reported depression symptomatology, but autocorrelation of positive affect did not.
STILL TO COME
How it was doneWhat they foundWhat it means for OTsWhat it means for SLPs
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What it does not show
The sample was extremely small and consisted only of males with an IQ above 85, so findings cannot be applied to autistic females or those with intellectual disability. There was no control group, so it is unclear whether these patterns are specific to autism or typical of adolescence. Participants required mobile phone access, which limits generalizability across socioeconomic backgrounds. The study was exploratory and the lack of a significant finding for affect autocorrelation may be due to low statistical power. ASD diagnosis was based on registry membership rather than formal assessment during the study, and some social communication questionnaires were not returned.
Declared interests
The study was funded by the Organization for Autism Research. No author conflicts of interest are reported in the provided text.
The easy way to misread this
Do not interpret these predictors as established causes of depression or as evidence that a specific intervention will work. The study was a small exploratory pilot with no control group and excluded females, so these associations are hypotheses for future research rather than actionable clinical findings.