PTSD Symptoms After Traumatic Versus Stressful Life Events in People With Mild Intellectual Disabilities: Proving the Null

ABSTRACT Background Research in people without ID suggests that both traumatic events (i.e., A criterion events) and stressful life events (i.e., non‐A criterion events) can produce PTSD symptoms. However, research on this subject in ID populations is limited. The discussion about the usefulness of...

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Published in:Journal of intellectual disability research Vol. 69; no. 12; pp. 1403 - 1412
Main Authors: Rouleaux, Mariëlle, Peters‐Scheffer, Nienke, Bouwmeester, Samantha, Lindauer, Ramón, Mevissen, Liesbeth, Didden, Robert
Format: Journal Article
Language:English
Published: England Wiley Subscription Services, Inc 01.12.2025
Subjects:
Activities of Daily Living
Adult
Bayesian analysis
borderline intellectual functioning
Criteria
Everyday life
Female
Groups
Humans
Indexes
Intellectual disabilities
Intellectual Disability - complications
Intellectual Disability - epidemiology
Intellectual Disability - physiopathology
Intellectual functioning
Learning disabled people
Life Change Events
Life events
Male
Middle Aged
mild intellectual disabilities
Mild Intellectual Disability
People with disabilities
Post traumatic stress disorder
Posttraumatic Stress Disorder
Psychological Trauma - physiopathology
PTSD A criterion
PTSD symptoms
Severity of Illness Index
Stress Disorders, Post-Traumatic - diagnosis
Stress Disorders, Post-Traumatic - etiology
Stress Disorders, Post-Traumatic - physiopathology
Stress, Psychological - complications
stressful life events
Trauma
Traumatic life events
Usefulness
Word meaning
Young Adult
mild intellectual disabilities
PTSD symptoms
borderline intellectual functioning
stressful life events
PTSD A criterion
ISSN:0964-2633, 1365-2788, 1365-2788
Online Access:Get full text
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Summary:ABSTRACT Background Research in people without ID suggests that both traumatic events (i.e., A criterion events) and stressful life events (i.e., non‐A criterion events) can produce PTSD symptoms. However, research on this subject in ID populations is limited. The discussion about the usefulness of Criterion A (i.e., the stressor criterion) as a gate criterion for PTSD in the DSM‐5‐TR is particularly important for people with mild intellectual disabilities (MID) or borderline intellectual functioning (BIF) because of their vulnerability to stressors. This study aimed to compare PTSD symptoms and impairment of daily life functioning (IDLF) score following traumatic versus stressful index events in people with MID‐BIF. Methods The Diagnostic Interview Trauma and Stressors–Intellectual Disability (DITS‐ID) was administered to 54 participants with MID‐BIF. Two groups were generated based on the type of index event (i.e., traumatic or stressful). Bayesian equivalence testing was used to assess whether the two groups differed in terms of PTSD symptoms and IDLF score. Results Data were more consistent with either a small difference or no difference at all between the traumatic (N = 22) and stressful group (N = 32) regarding the mean number of PTSD symptoms and the mean IDLF score. Differences in PTSD symptoms and IDLF scores ranged from 0.00 to 0.87. Conclusion No clinically relevant differences were found between the traumatic and stressful groups in terms of mean number of PTSD symptoms and IDLF score. Stressful life events might produce PTSD symptoms in people with MID‐BIF.
Bibliography:This study was supported by the Stichting Wetenschappelijk onderzoek 's Heeren Loo (2220500).
Funding
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ISSN:0964-2633
1365-2788
1365-2788
DOI:10.1111/jir.70034