110
Participants
Start Date
September 22, 2021
Primary Completion Date
June 30, 2022
Study Completion Date
June 30, 2026
Air purifier and fresh air ventilation systems with high-efficiency particulate air (HEPA) filters
This group will receive an intervention of true air purifiers. The air purifiers in classroom (air purifiers and fresh air ventilation systems with HEPA filters) will operate during the school time and the air purifiers in bedrooms (air purifiers with HEPA filters) operate during the home time in the intervention period (4 months anticipated).
Air purifier and fresh air ventilation systems without high-efficiency particulate air (HEPA) filters
This group will receive an intervention of sham air purifiers. The air purifiers in classroom (air purifiers and fresh air ventilation systems without HEPA filters) will operate during the school time and the air purifiers in bedrooms (air purifiers without HEPA filters) operate during the home time in the intervention period (4 months anticipated).
Department of Environmental Health, School of Public Health, Fudan University, Shanghai
Fudan University
OTHER