Dataset Information

Diurnal Temperature Range in Relation to Daily Mortality and Years of Life Lost in Wuhan, China.

ABSTRACT: Diurnal temperature range (DTR) is an important meteorological indicator associated with global climate change, and has been linked with mortality and morbidity in previous studies. To date, however, little evidence has been available regarding the association of DTR with years of life lost (YLL). This study aimed to evaluate the DTR-related burden on both YLL and mortality. We collected individual records of all registered deaths and daily meteorological data in Wuhan, central China, between 2009 and 2012. For the whole population, every 1 °C increase in DTR at a lag of 0-1 days was associated with an increase of 0.65% (95% CI: 0.08-1.23) and 1.42 years (-0.88-3.72) for mortality and YLL due to non-accidental deaths, respectively. Relatively stronger DTR-mortality/YLL associations were found for cardiovascular deaths. Subgroup analyses (stratified by gender, age, and education level) showed that females, the elderly (75+ years old), and those with higher education attainment (7+ years) suffered more significantly from both increased YLL and mortality due to large DTR. Our study added additional evidence that short-term exposure to large DTR was associated with increased burden of premature death using both mortality incidence and YLL.

SUBMITTER: Zhang Y

PROVIDER: S-EPMC5580595 | biostudies-literature | 2017 Aug

REPOSITORIES: biostudies-literature

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Diurnal Temperature Range in Relation to Daily Mortality and Years of Life Lost in Wuhan, China.

Zhang Yunquan Y Yu Chuanhua C Yang Jin J Zhang Lan L Cui Fangfang F

International journal of environmental research and public health 20170808 8

Diurnal temperature range (DTR) is an important meteorological indicator associated with global climate change, and has been linked with mortality and morbidity in previous studies. To date, however, little evidence has been available regarding the association of DTR with years of life lost (YLL). This study aimed to evaluate the DTR-related burden on both YLL and mortality. We collected individual records of all registered deaths and daily meteorological data in Wuhan, central China, between 20 ...[more]

PMID: 28786933

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Project description:Background The association between diurnal temperature range (DTR) and hospitalization for exacerbation of chronic respiratory diseases (CRD) was rarely reported. Objectives To examine the association between DTR and daily hospital admissions for exacerbation of CRD and find out the potential effect of modifications on this association. Method Data on daily hospitalization for exacerbation of chronic obstructive pulmonary disease (COPD), asthma and bronchiectasis and meteorology measures from 2013 through 2017 were obtained from 21 cities in South China. After controlling the effects of daily mean temperature, relative humidity (RH), particulate matter <?2.5??m diameter (PM2.5) and other confounding factors, a standard generalized additive model (GAM) with a quasi-Poisson distribution was performed to evaluate the relationships between DTR and daily hospital admissions of CRD in a two-stage strategy. Subgroup analysis was performed to find potential modifications, including seasonality and population characteristics. Result Elevated risk of hospitalization for exacerbation of CRD (RR?=?1.09 [95%CI: 1.08 to 1.11]) was associated with the increase in DTR (the 75th percentile versus the 25th percentile of DTR at lag0–6). The effects of DTR on hospital admissions for CRD were strong at low DTR in the hot season and high DTR in the cold season. The RR (the 75th percentile versus the 25th percentile of DTR at lag0–6) of hospitalization was 1.11 (95%CI: 1.08 to 1.12) for exacerbations of COPD and 1.09 (95%CI: 1.05 to 1.13) for asthma. The adverse effect of DTR on hospitalization for bronchiectasis was only observed in female patients (RR?=?1.06 [95%CI: 1.03 to 1.10]). Conclusion Our study provided additional evidence for the association between DTR and daily hospitalization for exacerbation of CRD, and these associations are especially stronger in COPD patients and in the cold season than the hot season. Preventive measures to reduce the adverse impacts of DTR were needed for CRD patients.

Project description:To estimate the potential years of life lost by road traffic injuries three years after the beginning of the Decade of Action for Traffic Safety.We analyzed the data of the Sistema de Informações sobre Mortalidade (SIM - Mortality Information System) related to road traffic injuries, in 2013. We estimated the crude and standardized mortality rates for Brazil and geographic regions. We calculated, for the Country, the proportional mortality according to age groups, education level, race/skin color, and type or quality of the victim while user of the public highway. We estimated the potential years of life lost according to sex.The mortality rate in 2013 was of 21.0 deaths per 100,000 inhabitants for the Country. The Midwest region presented the highest rate (29.9 deaths per 100,000 inhabitants). Most of the deaths by road traffic injuries took place with males (34.9 deaths per 100,000 males). More than half of the people who have died because of road traffic injuries were of black race/skin color, young adults (24.2%), individuals with low schooling (24.0%), and motorcyclists (28.5%). The mortality rate in the triennium 2011-2013 decreased 4.1%, but increased among motorcyclists. Across the Country, more than a million of potential years of life were lost, in 2013, because of road traffic injuries, especially in the age group of 20 to 29 years.The impact of the high mortality rate is of over a million of potential years of life lost by road traffic injuries, especially among adults in productive age (early mortality), in only one year, representing extreme social cost arising from a cause of death that could be prevented. Despite the reduction of mortality by road traffic injuries from 2011 to 2013, the mortality rates increased among motorcyclists.Estimar os anos potenciais de vida perdidos por acidente de transporte terrestre após três anos do início da Década de Ação pela Segurança no Trânsito.Foram analisados os dados do Sistema de Informações sobre Mortalidade correspondentes aos acidentes de transporte terrestre, em 2013. Foram calculadas as taxas de mortalidade bruta e padronizada para o Brasil e regiões geográficas. Foi calculada, para o País, a mortalidade proporcional segundo faixas etárias, escolaridade, raça/cor da pele e tipo ou qualidade da vítima enquanto usuária da via pública. Foram estimados os anos potenciais de vida perdidos segundo sexo.A taxa de mortalidade, em 2013, foi de 21,0 óbitos por 100 mil habitantes para o País. A região Centro-Oeste apresentou a taxa mais elevada (29,9 óbitos por 100 mil habitantes). A maioria dos óbitos por acidentes de transporte terrestre foi observada no sexo masculino (34,9 óbitos por 100 mil homens). Mais da metade das pessoas que faleceram em decorrência de acidentes de transporte terrestre eram da raça/cor da pele negra, adultos jovens (24,2%), indivíduos com baixa escolaridade (24,0%) e motociclistas (28,5%). A taxa de mortalidade, no triênio 2011 a 2013, apresentou redução de 4,1%, mas aumentou entre os motociclistas. Em todo o País, mais de um milhão de anos potenciais de vida foram perdidos, em 2013, devido aos acidentes de transporte terrestre, especialmente na faixa etária de 20 a 29 anos.O impacto da alta taxa de mortalidade é de mais de um milhão de anos potenciais de vida perdidos por acidentes de transporte terrestre, principalmente entre adultos em idade produtiva (mortalidade precoce), em apenas um ano, representando extremo custo social decorrente de uma causa de óbito que poderia ser prevenida. Apesar da redução da mortalidade por acidentes de transporte terrestre de 2011 a 2013, as taxas de mortalidade aumentaram entre os motociclistas.

Project description:BackgroundAlcohol is a substantial risk factor for mortality according to the recent 2010 World Health Assembly strategy to reduce the harmful use of alcohol which outlined the need to characterize and monitor this burden. Accordingly, using new methodology we estimated 1) the number of deaths caused and prevented by alcohol consumption, and 2) the potential years of life lost (PYLLs) attributable to alcohol consumption in Canada in 2005.MethodsMortality attributable to alcohol consumption was estimated by calculating Alcohol-Attributable Fractions (AAFs) (defined as the proportion of mortality that would be eliminated if the exposure was eliminated) using data from various sources. Indicators for alcohol consumption were obtained from the Canadian Alcohol and Drug Use Monitoring Survey 2008 and corrected for adult per capita recorded and unrecorded alcohol consumption. Risk relations were taken from the Comparative Risk Assessment within the current Global Burden of Disease (GBD) study. Due to concerns about the reliability of information specifying causes of death for people aged 65 or older, our analysis was limited to individuals aged 0 to 64 years. Calculation of the 95% confidence intervals (CIs) for the AAFs was performed using Monte Carlo random sampling. Information on mortality was obtained from Statistics Canada. A sensitivity analysis was performed comparing the mortality results obtained using our study methods to results obtained using previous methodologies.ResultsIn 2005, 3,970 (95% CI: 810 to 7,170) deaths (4,390 caused and 420 prevented) and 134,555 (95% CI: 36,690 to 236,376) PYLLs were attributable to alcohol consumption for individuals aged 0 to 64 years. These figures represent 7.7% (95% CI: 1.6% to 13.9%) of all deaths and 8.0% (95% CI: 2.2% to 14.1%) of all PYLLs for individuals aged 0 to 64 years. The sensitivity analysis showed that the number of deaths as measured by this new methodology is greater than that if mortality was estimated using previous methodologies.ConclusionsThe mortality burden attributable to alcohol consumption for Canada is large, unnecessary, and could be substantially reduced in a short period of time if effective public health policies were implemented. A monitoring system on alcohol consumption is imperative and would greatly assist in planning and evaluating future Canadian public health policies related to alcohol consumption.

Dataset Information

Diurnal Temperature Range in Relation to Daily Mortality and Years of Life Lost in Wuhan, China.

Publications

Diurnal Temperature Range in Relation to Daily Mortality and Years of Life Lost in Wuhan, China.

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