2024 No https://doi.org/10.1080/14015439.2023.2187450 Putus, T Europe Observational Epidemiology Study Exposure Study Students Staff Elementary (K-5) Noise Moisture/Water quality Other Voice problems Air quality Elementary school buildings Hoarseness Indoor environment Using survey data and logistic regression, this study analyzed risk factors for hoarseness among Finnish schoolchildren, finding strong associations with noise, indoor air quality, and microbial smells in elementary school buildings.