Meta-Analysis of Time-Series Studies of Air Pollution and Mortality:

Technical Paper: HECSB Branch, Health Canada, Ottawa, Canada

A comprehensive, systematic synthesis was conducted of daily time-series studies of air pollution and mortality from around the world. Estimates of effect sizes were extracted from 109 studies, from single- and multipollutant models, and by cause of death, age, and season. Random ef-fects pooled estimates of excess all-cause mortality (single-pollutant models) associated with a change in pollutant concentration equal to the mean value among a representative group