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How well do hoarding research samples represent cases that rise to community attention?
Sheila R Woody1, Peter Lenkic1, Christiana Bratiotis2
1Department of Psychology, University of British Columbia, Vancouver, Canada.
Behaviour Research and Therapy
|February 12, 2020
Summary
Research samples of hoarding disorder differ from community clients. Community clients are older, less partnered, have lower socioeconomic status, and more severe home conditions like squalor and fire hazards.
Area of Science:
- Psychiatry
- Environmental Health
Background:
- Hoarding disorder is a complex condition often encountered by community agencies.
- Research samples may not fully represent the diverse population seeking community-based support.
Purpose of the Study:
- To compare individuals with hoarding disorder in research samples versus those seeking community services.
- To identify demographic and environmental differences between these two groups.
Main Methods:
- Analysis of archival data from three research groups and case files from three community organizations.
- Inclusion of data from 824 individuals diagnosed with hoarding disorder.
- Comparison of demographic, insight, and home condition variables.
Main Results:
- Community clients were older, more likely male, less partnered, and had lower socioeconomic status than research volunteers.
- Community clients' homes exhibited greater clutter volume, squalor, and fire safety concerns.
- Clutter volume strongly predicted home conditions, with squalor remaining more prevalent in community clients' homes even after controlling for clutter.
Conclusions:
- Research samples may have limited generalizability to hoarding disorder cases encountered by community agencies.
- Demographic and environmental factors highlight disparities in who accesses research versus community support for hoarding.
- Future research should consider diverse recruitment strategies to improve sample representativeness.
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