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Träfflista för sökning "L773:1044 3983 srt2:(2010-2014)"

Sökning: L773:1044 3983 > (2010-2014)

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1.
  • Aström, Daniel Oudin, et al. (författare)
  • Acute Fatal Effects of Short-Lasting Extreme Temperatures in Stockholm, Sweden : Evidence Across a Century of Change.
  • 2013
  • Ingår i: Epidemiology. - : Lippincott Williams & Wilkins. - 1044-3983 .- 1531-5487. ; 24:6, s. 820-829
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Climate change is projected to increase the frequency of extreme weather events. Short-term effects of extreme hot and cold weather and their effects on mortality have been thoroughly documented, as have epidemiologic and demographic changes throughout the 20th century. We investigated whether sensitivity to episodes of extreme heat and cold has changed in Stockholm, Sweden, from the beginning of the 20th century until the present.METHODS: We collected daily mortality and temperature data for the period 1901-2009 for present-day Stockholm County, Sweden. Heat extremes were defined as days for which the 2-day moving average of mean temperature was above the 98th percentile; cold extremes were defined as days for which the 26-day moving average was below the 2nd percentile. The relationship between extreme hot/cold temperatures and all-cause mortality, stratified by decade, sex, and age, was investigated through time series modeling, adjusting for time trends.RESULTS: Total daily mortality was higher during heat extremes in all decades, with a declining trend over time in the relative risk associated with heat extremes, leveling off during the last three decades. The relative risk of mortality was higher during cold extremes for the entire period, with a more dispersed pattern across decades. Unlike for heat extremes, there was no decline in the mortality with cold extremes over time.CONCLUSIONS: Although the relative risk of mortality during extreme temperature events appears to have fallen, such events still pose a threat to public health.
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  • Beelen, Rob, et al. (författare)
  • Long-term Exposure to Air Pollution and Cardiovascular Mortality An Analysis of 22 European Cohorts
  • 2014
  • Ingår i: Epidemiology. - : Lippincott Williams & Wilkins. - 1044-3983 .- 1531-5487. ; 25:3, s. 368-378
  • Tidskriftsartikel (refereegranskat)abstract
    • Background: Air pollution has been associated with cardiovascular mortality, but it remains unclear as to whether specific pollutants are related to specific cardiovascular causes of death. Within the multicenter European Study of Cohorts for Air Pollution Effects (ESCAPE), we investigated the associations of long-term exposure to several air pollutants with all cardiovascular disease (CVD) mortality, as well as with specific cardiovascular causes of death. Methods: Data from 22 European cohort studies were used. Using a standardized protocol, study area-specific air pollution exposure at the residential address was characterized as annual average concentrations of the following: nitrogen oxides (NO2 and NOx); particles with diameters of less than 2.5 mu m (PM2.5), less than 10 mu m (PM10), and 10 mu m to 2.5 mu m (PMcoarse); PM2.5 absorbance estimated by land-use regression models; and traffic indicators. We applied cohort-specific Cox proportional hazards models using a standardized protocol. Random-effects meta-analysis was used to obtain pooled effect estimates. Results: The total study population consisted of 367,383 participants, with 9994 deaths from CVD (including 4,992 from ischemic heart disease, 2264 from myocardial infarction, and 2484 from cerebrovascular disease). All hazard ratios were approximately 1.0, except for particle mass and cerebrovascular disease mortality; for PM2.5, the hazard ratio was 1.21 (95% confidence interval = 0.87-1.69) per 5 mu g/m(3) and for PM10, 1.22 (0.91-1.63) per 10 mu g/m(3). Conclusion: In a joint analysis of data from 22 European cohorts, most hazard ratios for the association of air pollutants with mortality from overall CVD and with specific CVDs were approximately 1.0, with the exception of particulate mass and cerebrovascular disease mortality for which there was suggestive evidence for an association.
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  • Bornman, Riana, et al. (författare)
  • DDT in Brest Milk: Intake, Risk, Lactation Duration, and Effect of Gender.
  • 2012
  • Ingår i: Epidemiology. - : Ovid Technologies (Wolters Kluwer Health). - 1044-3983.
  • Konferensbidrag (övrigt vetenskapligt/konstnärligt)abstract
    • DDT is annually applied indoors of every dwelling at 64-128 g DDT for malaria vector control. We studied 163 breast milk samples from three DDT-sprayed villages and one reference village in South Africa for the presence and levels of DDT. Mean ?DDT levels in breast milk from the DDT-sprayed villages were 18, 11, and 9.5 mg/kg mf (milk fat) (1.4 mg/kg mf reference village). Primipara mothers from DDT-sprayed villages had significantly higher levels ?DDT in their milk. The highest DDT level in breast milk ever reported from South Africa was detected (5.2 mg/l wm (whole milk) and 140 mg/kg mf). The Maximum Residue Limit (MRL) in milk and Provisional Tolerable Daily Intake (PTDI) for DDT by infants were significantly exceeded in DDT-sprayed villages (maximum exceeded the MRL 310 times, and the PTDI 99 times). The differences between villages indicated differences in exposure and uptake due to application, substrate, and/or culture. The duration of completed lactation was similar for all four villages and DDT exposure had no effect on the duration. There were indications (not significant) that first-born female infants drank milk with higher ?DDT levels than first-born male infants and vice versa for multipara male and female infants. These patterns were evident in each of the DDT-spayed villages, suggesting gender involvement on levels of DDT in breast milk. In view of the high levels recorded, effective measures to reduce DDT exposure are urgently needed, over and above the need to find suitable, safe, and sustainable alternatives.
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  • Carlsson, Sofia, et al. (författare)
  • Body mass index and mortality : is the association explained by genetic factors?
  • 2011
  • Ingår i: Epidemiology. - 1044-3983 .- 1531-5487. ; 22:1, s. 98-103
  • Tidskriftsartikel (refereegranskat)abstract
    • BACKGROUND: Numerous studies have shown that higher body mass index (BMI) is associated with higher mortality. We investigated the extent to which this association might be explained by genetic factors. METHODS: We used data from the Swedish Twin Registry on twins born 1886-1958 who answered a questionnaire in 1969/1970 or 1972 (n = 44,258). Information on mortality from all-causes (n = 14,217), cardiovascular disease (CVD; n = 9009), and coronary heart disease (CHD; n = 3564) was obtained by linkage to the national Causes of Death Registry for the years 1972-2004. The association between BMI and mortality was studied without control for genetic factors in cohort analyses and with control for genetic factors in co-twin control analyses. RESULTS: In cohort analyses, there was a clear dose-response relationship between BMI and mortality. Hazard ratios per 1 unit increase in BMI in subjects with BMI ≥18.5 were 1.05 (95% confidence interval = 1.05-1.06) for all-cause mortality, 1.07 (1.07-1.09) for CVD mortality, and 1.09 (1.08-1.10) for CHD mortality. Similar results were seen in co-twin control analyses of dizygotic twins. However, within monozygotic twins, BMI was associated with death from CHD (OR = 1.06; 1.00-1.12), whereas the association with all-cause mortality (1.01, 0.98-1.04) and CVD mortality (1.02, 0.98-1.06) was weak. CONCLUSIONS: Our findings indicate that there is an association between high BMI and mortality from CHD that is not explained by genetic confounding. However, a large part of the association between BMI and other causes of death may be explained by genes rather than by a causal link between these factors.
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  • Choi, Hyunok, et al. (författare)
  • Sources of Glycol Ether Exposure at Home
  • 2011
  • Ingår i: Epidemiology. - : Ovid Technologies (Wolters Kluwer Health). - 1044-3983 .- 1531-5487. ; 22:1, s. S38-S38
  • Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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