# A Cluster-RCT of SHS Among Primary School Students

> **NCT03380234** · NA · COMPLETED · sponsor: **The University of Hong Kong** · enrollment: 3432 (actual)

## Conditions studied

- Secondhand Smoke
- Thirdhand Smoke
- Smoking

## Interventions

- **OTHER:** Worksheets
- **OTHER:** Whatsapp messages
- **OTHER:** Online quizzes
- **OTHER:** Leaflet

## Key facts

- **NCT ID:** NCT03380234
- **Lead sponsor:** The University of Hong Kong
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2018-09-20
- **Primary completion:** 2019-11-30
- **Final completion:** 2019-11-30
- **Target enrollment:** 3432 (ACTUAL)
- **Last updated:** 2020-02-12

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03380234

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03380234, "A Cluster-RCT of SHS Among Primary School Students". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT03380234. Licensed CC0.

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