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Data Tables

Published by U.S. EPA Office of Research and Development (ORD) | U.S. Environmental Protection Agency | Metadata Last Checked: June 27, 2025 | Last Modified: 2023-08-14
Data tables are in two excel file worksheets. The first sheet, labeled 'Fitted Filtration Efficiency' has columns with subject, mask & condition (baseline or with clip), Chamber Relative Humidity (%) and Temperature (degrees Celsius), the Overall Fitted Filtration Efficiency mean (across four exercises) and standard deviation. The second sheet, labeled 'Sex' has columns with the subject number and their biological sex (F = Female, M = Male). This dataset is associated with the following publication: Pennington, E., J. Griffin, E. McInroe, W. Steinhardt, H. Chen, J. Samet, and S. Prince. Variation in the Fitted Filtration Efficiency of Disposable Face Masks by Sex. Journal of Exposure Science and Environmental Epidemiology. Nature Publishing Group, London, UK, s41370-024-00697-4, (2024).

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