Revised Analyses of Time-Series Studies of Air Pollution and Health

Special Report, May 2003

Over the past decade, time-series studies conducted in many cities have contributed information about the association between daily changes in concentrations of airborne particulate matter (PM) and daily morbidity and mortality. In 2002, however, investigators at Johns Hopkins University and at Health Canada identified issues in the statistical model used in the majority of time-series studies. This HEI Special Report details attempts to address several questions raised by these discoveries. The first section addresses the impact of the issues on the HEI-funded National Morbidity, Mortality, and Air Pollution Study (NMMAPS). The second section addresses the impact on additional studies selected by the US Environmental Protection Agency (EPA). Special Panels of the Health Effects Institute contributed Commentaries on the findings.

Table of Contents:

- HEI Statement

- Contributors

- Preface

- Revised Analyses of the National Morbidity, Mortality, and Air Pollution Study, Part II

- Mortality Among Residents of 90 Cities. Francesca Dominici, Aidan McDermott, Michael Daniels, Scott L Zeger, and Jonathan M Samet

- Morbidity and Mortality Among Elderly Residents of Cities with Daily PM Measurements. Joel Schwartz, Antonella Zanobetti, and Thomas Bateson

- Commentary on Revised Analyses of NMMAPS II

- Revised Analyses of Selected Time-Series Studies

- List of Original Publications of Selected Time-Series Studies

- Revised Analyses

- Commentary on Revised Analyses of Selected Studies

For the original NMMAPS report, see HEI Research Report 94.

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PDF icon Press Release18.79 KB
PDF icon HEI Statement, a short synopsis57.57 KB
PDF icon Special Report4.39 MB