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EPA'S INDOOR AIR QUALITY AND WORK ENVIRONMENT STUDY: RELATIONSHIPS OF EMPLOYEE'S SELF-REPORTED HEALTHY SYMPTOMS WITH DIRECT INDOOR AIR QUALITY MEASUREMENTS
Citation:
Nelson, C., C. Clayton, L. Wallace, V. Highsmith, M. Kollander, R. Bascom, AND B. Leaderer. EPA'S INDOOR AIR QUALITY AND WORK ENVIRONMENT STUDY: RELATIONSHIPS OF EMPLOYEE'S SELF-REPORTED HEALTHY SYMPTOMS WITH DIRECT INDOOR AIR QUALITY MEASUREMENTS. U.S. Environmental Protection Agency, Washington, D.C., EPA/600/D-91/125 (NTIS PB91213579), 1991.
Description:
In recent years, employees at the three headquarters buildings of the U.S. Environmental Protection Agency (EPA) in the Washington, D.C. area have expressed concerns about air quality and work environment discomforts. s part of a large-scale study of health and comfort concerns, environmental monitoring was carried out In arch 1989 at approximately 100 sites (rooms) within these buildings. mployees in the vicinity of the monitors were administered a brief questionnaire to elicit information regarding their work environment, comfort levels, odors noticed, health symptoms, mood states, and perceptions of overall air quality. tatistical analyses were carried out for the 191 ales and the 192 females for whom both questionnaire and monitoring data were available analyses entailed estimation of linear regression and logistic regression models at testing for associations between the employees' responses and the environmental measurements, which included temperature, humidity, carbon dioxide, and particulate concentrations (100 sites), and various microbiologic and volatile organic compound concentrations (subset of 56 sites). rincipal component analyses were used to develop some of the outcome and explanatory variables used in the models. n this paper, we describe the study design, the study limitations, the statistical models and methods, a the results and implications of the data analysis.
