Association of Mild Intellectual Disability/Borderline Intellectual Functioning and Post-Traumatic Stress Disorder to Treatment Outcome in Patients With Severe Mental Illness

IF 2.1 3区医学 Q2 PSYCHOLOGY, EDUCATIONAL

Journal of Applied Research in Intellectual Disabilities Pub Date : 2025-03-19 DOI:10.1111/jar.70043

H. J. H. Smits, B. L. Seelen-de Lang, H. L. I. Nijman, E. J. M. Penterman, J. G. Nieuwenhuis, E. O. Noorthoorn

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Abstract

Background

Understanding the associations among mild intellectual disability (IQ 50–70), borderline intellectual functioning (IQ 70–85) and post-traumatic stress disorder (PTSD) with treatment outcomes in severely mentally ill patients could contribute to better tailoring of care.

Methods

One or more assessments using the Health of the Nation Outcome Scale (HoNOS) were obtained from patients in long-term outpatient care. The Screener for Intelligence and Learning Disabilities (SCIL) was used to screen for mild intellectual disability and borderline intellectual functioning. The Trauma Screening Questionnaire was used to determine whether patients had PTSD symptoms.

Results

Having more than six trauma-related symptoms and a SCIL score indicating an IQ between 70 and 85 were associated with less improvement on the HoNOS. No significant changes were found in patients with an estimated IQ below 70.

Conclusions

This study confirms the value of screening for intellectual disability and trauma among severely mentally ill patients.

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来源期刊

Journal of Applied Research in Intellectual Disabilities Multiple-

CiteScore

4.70

自引率

12.50%

发文量

期刊介绍： JARID is an international, peer-reviewed journal which draws together findings derived from original applied research in intellectual disabilities. The journal is an important forum for the dissemination of ideas to promote valued lifestyles for people with intellectual disabilities. It reports on research from the UK and overseas by authors from all relevant professional disciplines. It is aimed at an international, multi-disciplinary readership. Topics covered include community living, quality of life, challenging behaviour, communication, sexuality, medication, ageing, supported employment, family issues, mental health, physical health, autism, economic issues, social networks, staff stress, staff training, epidemiology and service provision.