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Explaining paranoia: cognitive and social processes in the occurrence of extreme mistrust

Abstract:

Background: Paranoia – incorrectly thinking that others are deliberating trying to harm you – causes distress, undermines social interactions, and leads to withdrawal. It presents across multiple psychiatric diagnoses.

Objective: The primary aim was to determine the extent that cognitive and social processes may explain paranoia. The secondary aim was to identify explanatory factors that distinguished paranoia and social anxiety.

Methods: 10,382 UK adults, quota sampled to match the population for age, gender, ethnicity, income, and region, participated in a non-probability survey. All participants completed a paranoia measure and assessments of cognitive and social processes. Structural equation modelling was conducted.

Findings: 2586 (24.9%) participants described being mistrustful of other people. 1756 (16.9%) participants wanted help to trust more. 66.7% of variance in paranoia was explained by a model comprising (in descending order of importance): within-situation defence behaviours, negative images, negative self-beliefs, discrimination, dissociation, aberrant salience, anxiety sensitivity, agoraphobic distress, worry, less social support, agoraphobic avoidance, less analytic reasoning, and alcohol use. All explanatory factors were associated with paranoia and social anxiety. Ten factors were more closely associated with paranoia than social anxiety, including discrimination, hallucinations, negative images, aberrant salience, and alcohol use. Nine factors were more closely associated with social anxiety, including less positive self-belief, an external locus of control, worry, and less analytic reasoning.

Conclusions: Multiple causes are likely to be involved in paranoia. Cognitive and social processes may explain a high degree of paranoia.

Clinical implications: Multiple clear targets for intervention to reduce paranoia are identified.

Publication status:
Published
Peer review status:
Peer reviewed

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Files:
Publisher copy:
10.1136/bmjment-2023-300880

Authors


More by this author
Institution:
University of Oxford
Division:
MSD
Department:
Experimental Psychology
Oxford college:
Magdalen College
Role:
Author
ORCID:
0000-0002-2541-2197


Publisher:
BMJ Publishing Group
Journal:
BMJ Mental Health More from this journal
Volume:
26
Issue:
1
Article number:
e300880
Publication date:
2023-11-09
Acceptance date:
2023-10-26
DOI:
EISSN:
2755-9734


Language:
English
Keywords:
Pubs id:
1552855
Local pid:
pubs:1552855
Deposit date:
2023-10-27

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