CIDI 5.0 validation against SCID-5 for lifetime mental disorders in Hong Kong adults

Is this trial a fit for you?

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This observational study evaluates the validity of the CIDI 5.0, a structured diagnostic interview, against the SCID-5 gold standard for lifetime mental disorders (MDD, GAD, PTSD) in a population-based sample in Hong Kong. Randomly sampled adults 18+ from local housing are assessed in Chinese or English. The study leverages updated DSM-5 criteria and prior Qatar data to examine specificity and sensitivity of CIDI 5.0 in real-world settings. Outcomes focus on concordance with clinical diagnoses and potential applicability for large-scale epidemiological research. The design emphasizes population-based validity rather than clinical treatment effects.

Why it matters

Who can join: the full rules

Inclusion Criteria:

* All household members aged 18 years old and over are randomly sampled from the Census and Statistics Department List of Quarters
* Live in the address sampled from the Census and Statistics Department List of Quarters
* Reside in Hong Kong for at least six months in the past year
* Able to read and communicate in Chinese or English
* Without linguistic or cognitive difficulties

Exclusion Criteria:

* Domestic workers

Where it's running

• The University of Hong Kong
  Hong Kong, Hong Kong Recruiting

Study contacts

• Study coordinator: Yoona Kim, PhD
• Email: yoonak@hku.hk
• Phone: +852 3917 9109

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How to take part

1. Review the eligibility criteria above with your treating physician.
2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.