Browsing by Author "Woodruff, Peter W."
Now showing items 1-12 of 12
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Abnormal corneal nerve morphology and brain volume in patients with schizophrenia
( Nature Research , 2022 , Article)Neurodevelopmental and neurodegenerative pathology occur in Schizophrenia. This study compared the utility of corneal confocal microscopy (CCM), an ophthalmic imaging technique with MRI brain volumetry in quantifying ... -
Age of onset and cumulative risk of mental disorders: a cross-national analysis of population surveys from 29 countries
( Elsevier , 2023 , Article)Background Information on the frequency and timing of mental disorder onsets across the lifespan is of fundamental importance for public health planning. Broad, cross-national estimates of this information from coordinated ... -
Clinical reappraisal of the composite international diagnostic interview version 3.3 in Qatar's National Mental Health Study
( Wiley , 2024 , Article)Objectives: Lifetime DSM-5 diagnoses generated by the lay-administered Composite International Diagnostic Interview for DSM-5 (CIDI) in the World Mental Health Qatar (WMHQ) study were compared to diagnoses based on blinded ... -
Conducting a state-of-the-art mental health survey in a traditional setting: Challenges and lessons from piloting the World Mental Health Survey in Qatar
( Wiley , 2021 , Article)Objectives: A small country in the Arabian Peninsula, Qatar experienced rapid economic growth in the last 3 decades accompanied by major socio-demographic shifts towards a younger and more highly educated population. To ... -
Cross-cultural Differences in Hallucinations: A Comparison Between Middle Eastern and European Community-Based Samples
( Oxford University Press , 2023 , Article)BACKGROUND 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 ... -
Cross-cultural Differences in Hallucinations: A Comparison between Middle Eastern and European Community-Based Samples
( Oxford University Press , 2023 , Article)Background 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 ... -
Design and field procedures for the clinical reappraisal of the Composite International Diagnostic Interview version 3.3 in Qatar's national mental health study
( John Wiley and Sons Ltd , 2023 , Article)Background: The Composite International Diagnostic Interview (CIDI) has been clinically reappraised in several studies conducted mainly in the US and Europe. This report describes the methodology used to conduct one of the ... -
Lifetime prevalence, risk, and treatment of mood and anxiety disorders in Qatar's national mental health study
( John Wiley and Sons Ltd , 2024 , Article)Objectives: To estimate lifetime prevalence, risk, and treatment for mental disorders and their correlates in Qatar's general population for the first time. Methods: We conducted a national phone survey of 5,195 Qatari and ... -
Prevalence and potential determinants of covid-19 vaccine hesitancy and resistance in qatar: Results from a nationally representative survey of qatari nationals and migrants between december 2020 and january 2021
( MDPI AG , 2021 , Article)Global COVID-19 pandemic containment necessitates understanding the risk of hesitance or resistance to vaccine uptake in different populations. The Middle East and North Africa currently lack vital representative vaccine ... -
The role of religiosity types in the phenomenology of hallucinations: A large cross-sectional community-based study in a predominantly Muslim society
( Elsevier , 2022 , Article)Religiosity is a multidimensional construct known to influence the occurrence of hallucinations. However, it remains unknown how different religiosity types affect clinically relevant phenomenological features of hallucinations. ... -
Trends in prevalence of depression and anxiety symptoms and effects of sociodemographic variables before and after the first wave of COVID-19 in Qatar
( Elsevier , 2022 , Article)Background Prevalence trends from Arabic speaking countries on psychiatric symptoms before and after the first wave of the COVID-19 pandemic are lacking. We estimated the point prevalence and change in depression and ... -
Twelve-month prevalence, persistence, severity, and treatment of mood and anxiety disorders in Qatar's national mental health study
( John Wiley and Sons Ltd , 2024 , Article)Objectives To estimate 12-month prevalence, persistence, severity, and treatment of mental disorders and socio-demographic correlates in Qatar. Methods We conducted the first national population-based telephone survey ...
