Automated biosurveillance data from England and Wales, 1991-2011.
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ABSTRACT:
SUBMITTER: Enki DG
PROVIDER: S-EPMC3557985 | biostudies-literature |
REPOSITORIES: biostudies-literature
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Project description:There is uncertainty over the population prevalence of people with Down's syndrome in England and Wales. This study aimed to estimate the population prevalence of Down's syndrome in England and Wales in 2011. A meta-analysis of published survival rates of people with Down's syndrome from 1938 to 2010 was conducted and the results were applied to the estimated numbers of babies born with Down's syndrome since 1938 in England and Wales. An estimated 37 090 people had Down's syndrome in England and Wales in 2011, a population prevalence of 0.66 per 1000 people; 650 under 1, 2673 aged 1-5, 7115 aged 5-18, 12819 aged 19-40, 10 626 aged 41-55 and 3207 aged 56 and older. The average life expectancy for babies with Down's syndrome born in 2011 was 51 years and the median life expectancy was 58 years. This study provides clarity on the number of people with Down's syndrome in England and Wales. Owing to sudden increases in the survival of babies with Down's syndrome in the 1950s there are a large proportion of people with Down's syndrome who are in their 40s. These people have an increased risk of developing dementia in the future and services should be aware of their potential needs.
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Project description:To review Campylobacter cases in England and Wales over 2 decades and examine the main factors/mechanisms driving the changing epidemiology.A descriptive study of Campylobacter patients between 1989 and 2011. Cases over 3 years were linked anonymously to postcode, population density, deprivation indices and census data. Cases over 5 years were anonymously linked to local weather exposure estimates.Patients were from general practice, hospital and environmental health investigations through primary diagnostic laboratories across England and Wales.There were 1?109?406 cases.Description of changes in Campylobacter epidemiology over 23 years and how the main drivers may influence these.There was an increase in Campylobacter cases over the past 23 years, with the largest increase in people over 50 years. Changes in the underlying population have contributed to this, including the impacts of population increases after World War I, World War II and the 'baby boom' of the 1960s. A recent increase in risk or ascertainment within this population has caused an increase in cases in all age groups from 2004 to 2011. The seasonal increase in cases between weeks 18 (Early May) and 22 (Early June) was consistent across ages, years and regions and was most marked in children and in more rural regions. Campylobacter prevalence by week in each region correlated with temperature 2 weeks before. There were higher prevalences in areas with a low population density, low deprivation and lower percentage of people of ethnic origin. Data from sero-phage and multilocus sequence typing show a few common types and many uncommon types.The drivers/mechanisms influencing seasonality, age distribution, population density, socioeconomic and long-term differences are diverse and their relative contributions remain to be established. Surveillance and typing provide insights into Campylobacter epidemiology and sources of infection, providing a sound basis for targeted interventions.
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Project description:Gastroenteritis-associated Clostridium perfringens strains in England and Wales (2011-2017)
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Project description:The decarbonisation of residential heating is crucial if the net-zero target in the United Kingdom is going to be achieved. This paper describes methods to produce data to quantify the impacts of residential heat decarbonisation on the energy supply infrastructure across England and Wales. For the year 2018, annual heat demand for a range of dwellings was estimated for almost 35,000 local areas (known as Lower Layer Super Output Areas: LSOAs). Energy savings through implementing the potential energy efficiency measures and the indicative costs of the energy efficiency measures were quantified. Profiles were synthesised for heat production and energy demand of selected heating technologies using average daily temperature and data from trial projects. These profiles were created to study the impacts of different types of heating technology in each LSOA under user-defined heat decarbonisation pathways. Data describing the dwelling stock, heating technologies, annual heat demand for each LSOA, indicative costs of energy efficiency improvements for each local authority and the profiles for each technology were created.
| S-EPMC9142590 | biostudies-literature
Project description:The negative impacts of previous economic recessions on suicide rates have largely been attributed to rapid rises in unemployment in the context of inadequate social and work protection programmes. We have investigated trends in indicators of the 2008 economic recession and trends in suicide rates in England and Wales in men and women of working age (16-64 years old) for the period 2001-2011, before, during and after the economic recession, our aim was to identify demographic groups whose suicide rates were most affected. We found no clear evidence of an association between trends in female suicide rates and indicators of economic recession. Evidence of a halt in the previous downward trend in suicide rates occurred for men aged 16-34 years in 2006 (95% CI Quarter 3 (Q3) 2004, Q3 2007 for 16-24 year olds & Q1 2005, Q4 2006 for 25-34 year olds), whilst suicide rates in 35-44 year old men reversed from a downward to upward trend in early 2010 (95% CI Q4 2008, Q2 2011). For the younger men (16-34 years) this change preceded the sharp increases in redundancy and unemployment rates of early 2008 and lagged behind rising trends in house repossessions and bankruptcy that began around 2003. An exception were the 35-44 year old men for whom a change in suicide rate trends from downwards to upwards coincided with peaks in redundancies, unemployment and rises in long-term unemployment. Suicide rates across the decade rose monotonically in men aged 45-64 years. Male suicide in the most-to-medium deprived areas showed evidence of decreasing rates across the decade, whilst in the least-deprived areas suicide rates were fairly static but remained much lower than those in the most-deprived areas. There were small post-recession increases in the proportion of suicides in men in higher management/professional, small employer/self-employed occupations and fulltime education. A halt in the downward trend in suicide rates amongst men aged 16-34 years, may have begun before the 2008 economic recession whilst for men aged 35-44 years old increased suicide rates mirrored recession related unemployment. This evidence suggests indicators of economic strain other than unemployment and redundancies, such as personal debt and house repossessions may contribute to increased suicide rates in younger-age men whilst for men aged 35-44 years old job loss and long-term unemployment is a key risk factor.
| S-EPMC4151136 | biostudies-literature
Project description:Previous studies have linked work, home production, travel activities and inactivity with weight and health outcomes. However, these focused on average physical activity (PA) over time rather than changes in PA and associated sociodemographic and economic factors and urbanicity. Using the 1991-2011 China Health and Nutrition Survey data, we estimated the metabolic equivalent of task hours per week for individuals in occupational, domestic, travel and active leisure domains and sedentary hours per week. We present the distributions among adult men and women (aged 18-60), and use quantile regression models to explore factors associated with these trends. Trend analyses on the distribution of PA show declines along the whole distribution of occupational PA for men and women and domestic PA for women in China. These patterns remain consistent after adjusting for individual- and household-level factors. Controlling for urbanicity mitigated the decrease in occupational PA, particularly for men, but not the decrease in domestic PA. Given China's rapid urbanization and its association with occupational PA declines and the strong time trend in domestic PA, there is a need to invest in interventions and policies that promote PA during leisure and travel times.
| S-EPMC3869092 | biostudies-literature
Project description:BackgroundThis study aims to estimate the current prevalence and trends of hypertension subtypes among Chinese adults from 1991 to 2011.MethodsWe analysed the measurements of systolic and diastolic blood pressure among adults aged ≥18 years from the China Health and Nutrition Survey (CHNS) 1991-2011. The prevalence was age-adjusted to the 2010 census of Chinese adults.ResultsThe adjusted prevalence in 2011 was 20.9% (95% CI 20.2% to 21.6%) of hypertension, 3.30% (95% CI 2.99% to 3.62%) of isolated systolic hypertension, 4.44% (95% CI 4.08% to 4.80%) of isolated diastolic hypertension, 4.11% (95% CI 3.76% to 4.46%) of systolic-diastolic hypertension and 9.01% (95% CI 8.51% to 9.51%) of current use of antihypertensive medication, respectively. From 1991 to 2011, the prevalence increased from 15.6% to 20.9% for hypertension (p<0.001) and from 3.04% to 3.30% for isolated systolic hypertension (p<0.001). However, the prevalence decreased from 4.77% to 4.44% for isolated diastolic hypertension (p=0.023) and from 5.27% to 4.11% for systolic-diastolic hypertension (p<0.001). Consistent with these findings, the percentage of current use of antihypertensive medication increased from 2.55% to 9.01%, which accounted for approximately 43.1% of the total number of cases in 2011. Importantly, only 36.9% (equivalent to 17.5% of the total number of hypertensive people) of cases of current use of antihypertensive medication were adequately controlled.ConclusionsBoth the prevalence of hypertension and the percentage of current use of antihypertensive medication significantly increased from 1991 to 2011. Currently, about one-fifth of Chinese adults are hypertensive; however, only 17.5% of hypertension is controlled.
| S-EPMC6550331 | biostudies-literature
Project description:BACKGROUND AND OBJECTIVES:To examine temporal trends in dietary energy, fat, carbohydrate, protein, sodium and potassium intake of Chinese adolescents aged 12 - 17 years by sex and urbanicity, using data from the China Health and Nutrition Survey. METHODS AND STUDY DESIGN:Individual level, consecutive 3 - day 24-hour recalls were analyzed from survey years 1991 (n=504), 2000 (n=665), and 2011 (n=267) from nine provinces representing a range of geography, economic development, and health indicators in China. Linear multivariable regression models were conducted to predict mean intakes of energy, macronutrients, sodium, and potassium. Models were adjusted for age, per capita income, parental education, region, and family size. RESULTS:From 1991 to 2011, total energy consumption decreased among both sexes and all urbanicity groups (p<0.05). Sodium intake decreased in all sex and urbanicity groups except the high urbanicity group, which was the only group to show significant change in potassium intake (p<0.05). Sodium-potassium ratios decreased overall and across both sexes (p<0.05). However, the major observed shift was a structural change from carbohydrates to fat and protein. Both sexes showed decrease in carbohydrate-derived energy (p<0.05). Proportion of fat-derived energy increased in female adolescents. Proportion of protein-derived energy increased in male adolescents, as well as in the low and high urbanicity groups (p<0.01). CONCLUSIONS:This suggests Chinese adolescents are transitioning to a low carbohydrate diet. Urbanicity appears to play a role in sodium, potassium and protein intake. Improvements of sodiumpotassium ratios are primarily due to decreased sodium intake and require further reduction efforts.
| S-EPMC6298787 | biostudies-literature
Project description:IntroductionThe prevalence of obesity in Chinese adults increased from 1991 to 2000; however, recent changes in this trend are unclear. This study aims to estimate the current prevalence of obesity and to assess trends in obesity and BMI distribution in Chinese adults from 1991 through 2011.MethodsHeight and weight measurements of 12,249 Chinese adults from the 2011 China Health and Nutrition Survey were analyzed (in 2013) together with China Health and Nutrition Survey data for 1991-2009. Obesity was defined as BMI≥28.0 kg/m(2) based on the Working Group on Obesity in China criteria.ResultsIn the 2011 survey, the age-adjusted mean BMI was 23.8 (95% CI=23.7, 23.9) for men and 23.4 (95% CI=23.2, 23.5) for women. The age-adjusted prevalence of obesity was 11.3% (95% CI=10.8%, 11.9%) overall, 11.8% (95% CI=10.8%, 12.6%) among men, and 11.0% (95% CI=10.3%, 11.8%) among women. Estimates of age-adjusted obesity prevalence among the Chinese population were significantly lower than those of the U.S. population (all p<0.05). Over the 20-year period, the prevalence of obesity increased from 2.88% to 11.8% among men (age-adjusted annual change in OR=1.08, 95% CI=1.07, 1.09, p<0.001) and from 4.55% to 11.0% among women (OR=1.05, 95% CI=1.05, 1.06, p<0.001). Similar significant findings were observed for both men and women based on WHO recommendations.ConclusionsThe prevalence of obesity among both Chinese men and women increased significantly from 1991 through 2011, particularly among men.
| S-EPMC4615397 | biostudies-literature