Risk assessment for cardiovascular and respiratory mortality due to air
pollution and synoptic meteorology in 10 Canadian cities
Synoptic weather and ambient air quality synergistically influence human health. We report the relative
risk of mortality from all non-accidental, respiratory-, and cardiovascular-related causes, associated with
exposure to four air pollutants, by weather type and season, in 10 major Canadian cities for 1981 through
1999. We conducted this multi-city time-series study using Poisson generalized linear models stratified
by season and each of six distinctive synoptic weather types. Statistically significant relationships of
mortality due to short-term exposure to carbon monoxide, nitrogen dioxide, sulphur dioxide, and ozone
were found, with significant modifications of risk by weather type, season, and mortality cause. In total,
61% of the respiratory-related mortality relative risk estimates were significantly higher than for
cardiovascular-related mortality. The combined effect of weather and air pollution is greatest when
tropical-type weather is present in the spring or summer.
Risk assessment for cardiovascular and respiratory mortality due to air
pollution and synoptic meteorology in 10 Canadian cities
Synoptic weather and ambient air quality synergistically influence human health. We report the relative
risk of mortality from all non-accidental, respiratory-, and cardiovascular-related causes, associated with
exposure to four air pollutants, by weather type and season, in 10 major Canadian cities for 1981 through
1999. We conducted this multi-city time-series study using Poisson generalized linear models stratified
by season and each of six distinctive synoptic weather types. Statistically significant relationships of
mortality due to short-term exposure to carbon monoxide, nitrogen dioxide, sulphur dioxide, and ozone
were found, with significant modifications of risk by weather type, season, and mortality cause. In total,
61% of the respiratory-related mortality relative risk estimates were significantly higher than for
cardiovascular-related mortality. The combined effect of weather and air pollution is greatest when
tropical-type weather is present in the spring or summer.
การแปล กรุณารอสักครู่..