The 12-month prevalence of psychotic experiences and their association with clinical outcomes in Hong Kong: an epidemiological and a 2-year follow up studies

The relationship between the subtypes of psychotic experiences (PEs) and common mental health symptoms remains unclear. The current study aims to establish the 12-month prevalence of PEs in a representative sample of community-dwelling Chinese population in Hong Kong and explore the relationship of...

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Published in:Psychological medicine Vol. 51; no. 14; pp. 2501 - 2508
Main Authors: Chan, Sherry Kit Wa, Lee, Kaspar Kit Wai, Chan, Veronica Hei Yan, Pang, Herbert H., Wong, Corine Sau Man, Hui, Christy Lai Ming, Chang, Wing Chung, Lee, Edwin Ho Ming, Chan, Wai Chi, Cheung, Eric Fuk Chi, Chiu, Helen Fung Kum, Chiang, Tin Po, Lam, Ming, Lau, Joseph Tak Fai, Ng, Roger Man King, Hung, Se Fong, Lam, Linda Chiu Wa, Chen, Eric Yu Hai
Format: Journal Article
Language:English
Published: Cambridge, UK Cambridge University Press 01.10.2021
Subjects:
Adolescent
Adult
Aged
Alcohol use
Asians - statistics & numerical data
Census of Population
Clinical outcomes
Endorsements
Epidemiology
Female
Follow-Up Studies
Hallucinations
Hallucinations - etiology
Hong Kong - epidemiology
Humans
Independent Living
Interviews
Latent class analysis
Longitudinal studies
Male
Medical diagnosis
Medical screening
Mental disorders
Mental Disorders - classification
Mental health
Mental health care
Middle Aged
Original Article
Paranoia
Paranoid Disorders - etiology
Psychosis
Psychotic Disorders - classification
Psychotic Disorders - epidemiology
Subtypes
Suicidal Ideation
Suicide
Surveys and Questionnaires
Symptoms
Treatment outcomes
Young Adult
Hong Kong
Hong Kong China
Asia
China
Dose-dependent effect
latent class analysis
hallucination
persistent psychotic experience
ISSN:0033-2917, 1469-8978, 1469-8978
Online Access:Get full text
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Summary:The relationship between the subtypes of psychotic experiences (PEs) and common mental health symptoms remains unclear. The current study aims to establish the 12-month prevalence of PEs in a representative sample of community-dwelling Chinese population in Hong Kong and explore the relationship of types of PEs and common mental health symptoms. This is a population-based two-phase household survey of Chinese population in Hong Kong aged 16-75 (N = 5719) conducted between 2010 and 2013 and a 2-year follow-up study of PEs positive subjects (N = 152). PEs were measured with Psychosis Screening Questionnaire (PSQ) and subjects who endorsed any item on the PSQ without a clinical diagnosis of psychotic disorder were considered as PE-positive. Types of PEs were characterized using a number of PEs (single v. multiple) and latent class analysis. All PE-positive subjects were assessed with common mental health symptoms and suicidal ideations at baseline and 2-year follow-up. PE status was also assessed at 2-year follow-up. The 12-month prevalence of PEs in Hong Kong was 2.7% with 21.1% had multiple PEs. Three latent classes of PEs were identified: hallucination, paranoia and mixed. Multiple PEs and hallucination latent class of PEs were associated with higher levels of common mental health symptoms. PE persistent rate at 2-year follow-up was 15.1%. Multiple PEs was associated with poorer mental health at 2-year follow-up. Results highlighted the transient and heterogeneous nature of PEs, and that multiple PEs and hallucination subtype of PEs may be specific indices of poorer common mental health.
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ISSN:0033-2917
1469-8978
1469-8978
DOI:10.1017/S0033291720001452