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AuthorKhaled S.M., Brederoo S.G., Yehya A., Alabdulla M., Woodruff P.W., Sommer I.E.C.
Available date2024-04-02T06:04:51Z
Publication Date2023
Publication NameSchizophrenia bulletin
ResourceScopus
ISSN17451701
URIhttp://dx.doi.org/10.1093/schbul/sbac086
URIhttp://hdl.handle.net/10576/53809
AbstractBACKGROUND AND HYPOTHESIS: While literature indicates that culture modulates phenomenological characteristics of hallucinations in schizophrenia-spectrum disorders, little is known about the extent culture modulates these characteristics in nonclinical samples. STUDY DESIGN: We compared lifetime prevalence, age of onset, and phenomenology of hallucinations as assessed with the Questionnaire for Psychotic Experiences between samples of nonclinical participants used from the Netherlands (N = 2999) and Qatar (N = 2999). While participant recruitment differed between the 2 countries, the samples were relatively equal in terms of demographic factors. STUDY RESULTS: Our findings indicate that the lifetime prevalence of tactile and olfactory hallucinations are the same across countries. However, the prevalence of auditory hallucinations (AH) and visual hallucinations (VH) were twice as high in the Dutch sample. The reported age of onset for auditory and tactile hallucinations was younger for the Dutch sample. Findings from the measurement invariance supported cross-cultural comparisons with exception for duration, distress, and insight. Qatar's and Dutch participants reported similar valence and extent of interaction with AH and VH. However, compared to those in the Netherlands, participants from Qatar reported significantly more impact on daily functioning and a higher prevalence of receiving commands from hallucinations in the past week. CONCLUSIONS: While AH and VH were more often reported in the Dutch sample, participants in Qatar generally had higher mean factor scores for past week AH and VH than in the Netherlands. The phenomenology of hallucinations in the Qatar sample was of greater clinical relevance, with potentially important implications for early screening and prevention.
Languageen
PublisherNLM (Medline)
Subjectmeasurement invariance
Netherlands
phenomenology
prevalence
Qatar
Questionnaire of Psychotic Experiences
TitleCross-cultural Differences in Hallucinations: A Comparison Between Middle Eastern and European Community-Based Samples
TypeArticle
PaginationS23-S24
Issue Number1
Volume Number49
dc.accessType Open Access


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