Sham Air Purifiers

BEHAVIORAL3 trials

Sponsors

Fudan University, Tiantian Li, Norwegian Institute of Public Health

Conditions

AsenteeismBlood PressureProtective Effect of Air Purifier on Children's Health

Unknown Phase

Health Effects of Indoor Air Filtration in Healthy Chinese Adults

CompletedNCT02712333

Fudan UniversityBlood Pressure

Start: 2015-11-30End: 2016-06-30Updated: 2017-10-02

The Health Benefits of Indoor Air Filtration Among Children

CompletedNCT04835337

Tiantian LiProtective Effect of Air Purifier on Children's Health

Start: 2021-04-10End: 2022-05-15Updated: 2024-09-24

Classroom Air Purifiers for Reducing School Absence

Enrolling by invitationNCT07119333

Norwegian Institute of Public HealthAsenteeism

Start: 2026-01-31End: 2027-03-31Target: 72Updated: 2025-11-18

Related Papers

Classroom air purifiers for reducing school absence: study protocol for a pragmatic, cluster-randomised, parallel, two-arm, group sequential superiority trial.

2025-12-24

Respiratory Benefits of Multisetting Air Purification in Children

JAMA Pediatrics2024-12-027 citations

Particulate Matter Exposure and Stress Hormone Levels

Circulation2017-08-14512 citations