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The aim of GS: SFHS is to establish a large, family-based intensively-phenotyped cohort recruited from the general population across Scotland, as a resource for studying the genetics of health areas of current and projected public health importance. It aims to identify genetic variants accounting for variation in levels of quantitative traits underlying the major common complex diseases (such as cardiovascular disease, cognitive decline, mental illness) in Scotland.

Baseline data was collected at a single clinic visit. Longitudinal data is available by linkage to NHS medical records. Some participants are being invited to new clinic visits in 2015-17. This profile also includes scanning information from the Stratifying Resilience and Depression Longitudinally (STRADL) study to which approximately 1500 GS participants are being invited for scanning.

Last Update 21/09/2017

All people aged 65-84 listed in the population registers of the 12 Italian participating towns as resident and alive on the 31.12.2002. The community based random sample was stratified by gender and 5-year age classes following an equal allocation strategy.

The general objective of IPREA-FU is to improve the evidence base on the preclinical phase of dementia, providing a better insight into its heterogeneous evolution.

Last Update 21/09/2017

The Lc65+ project is a longitudinal population-based study focusing on the development of frailty after the age of 65. The main methods in the Lc65+ study are:

ﾕ long term observation of subjects, beginning at 65 to 70 years, an age when frailty is still unusual, in order to study its initiation and development;
ﾕ prospective data collection on a large range of health dimensions, including psycho-social characteristics, in order to investigate the temporal sequence linking frailty, its risk factors, modulators, and outcomes:
ﾕ a population approach considering frailty as a central parameter of health in ageing populations that is useful not only for surveillance, but also for the evaluation of preventive interventions.

Follow-up is based on a yearly questionnaire sent by mail to the participant’s home. In addition, subjects are invited to the study center every three years for an interview and examination similar to those performed at baseline. The follow-up is unlimited in time and is not interrupted in the case of nursing home admission.

Last Update 21/09/2017

The Older Australian Twins Study is a longitudinal, multi-centre study that investigates healthy brain ageing in older twins (65+ years). OATS commenced in New South Wales in January 2007, in Queensland in December 2007, and in Victoria in February 2008. Since the OATS study started we have followed our twin volunteers up every two years to check on their psychological and physical health. Participants undergo rigorous medical and cognitive function tests, with many participants’ also providing bloods samples and having a magnetic resonance imaging (MRI) scan of their brain. In 2015 we finished our 4-year follow ups. OATS assessed 623 participants at baseline, 450 at the 2-year follow up, and 389 completed their 4-year follow-up.

Last Update 21/09/2017

For 30 years (since 1987) tracks the health of a group of randomly selected adult Dutch inhabitants of Doetinchem from originally between 20-60 years. This provides a wealth of information of four generations: 20-29, 30-39, 40-49 and 50-60 year olds. The name of this study is the Doetinchem Cohort Study. Every five years the health and habits of the participants are examined at the local health department.

The purpose of the Doetinchem Cohort Study is to give insight into trends in lifestyle and health. So there will be more and more knowledge about why some people age without many problems, while others have health problems at an early age. The study collects data on:

  • Lifestyle habits: exercise, diet, smoking, alcohol consumption;
  • Biological factors: blood pressure, cholesterol, (over) weight;
  • Several specific diseases: cardiovascular disease, asthma, COPD , diabetes, cancer, migraine, musculoskeletal;
  • Quality of life: cognitive functioning, social participation, psychosocial aspects of health.

The Children of the 1950s study is a population-based resource for the study of biological and social influences on health across the life-course and between generations.

Comprising individuals born in Aberdeen, Scotland between 1950 and 1956, this cohort is based on the 12,150 people who took part in the Aberdeen Child Development Survey, a cross-sectional study in a population of all children who were attending an Aberdeen primary school in December 1962. The data collected include information on birth weight, childhood height and weight, tests of cognition and behavioural disorder, and a range of multi-level socio-economic indicators.

In the early 2000s the current vital status and whereabouts of 98.5% of the 12,150 subjects (6276 males, 5874 females) with full baseline data were ascertained. The large majority (81%) of study participants still resided in Scotland and the majority (73%) remained in the Grampian region which incorporates Aberdeen.

Linkages to hospital admissions and other health endpoints captured through the routine Scottish Morbidity Records system have been completed. A postal questionnaire to all surviving cohort members was distributed in 2001, with a response proportion of 63%.

The cohort database is now maintained as a resource for researchers, with over 40 publications to data resulting from interrogation of the data.

Last Update 21/09/2017

The aim of the Alfa Study is to focus on the processes taking place before the initiation of Alzheimer’s symptoms in order to design interventions to prevent or delay the onset of dementia. Inclusion criteria were being cognitively normal Spanish and/or Catalan-speaking persons aged between 45 and 74 years that agreed with the study procedures and tests: clinical interview and questionnaires associated to risk factors, cognitive tests, a blood sample extraction for DNA analysis, and MRI.

A subset (n=450) of the ALFA parent cohort participants are currently being recruited / undergoing a nested longitudinal long-term study, named the ALFA+ study, in which a more detailed phenotyping will be performed. On top of a similar characterization as in the ALFA parent cohort, it will entail the acquisition of both wet (CSF, blood, and urine sample collection) and imaging (magnetic resonance imaging [MRI] and PET) biomarkers. Furthermore, ALFA parent cohort participants may also be invited to participate in other BBRC studies such the ALFAlife primary intervention study (n=400) or the full genetic and neuroimaging characterisation study referred to as ALFAgenetics (n=2000).

Last Update 21/09/2017

The original aim of the Metropolit cohort was to follow men from early school age to early mid-life, to explore intergenerational mobility and differential life-chances. In 2001 the cohort was revitalised in order to study the development of chronic diseases in a life course perspective.
The Metropolit cohort comprises all 11532 men born in 1953 in the Copenhagen Metropolitan area who were living in Denmark in 1968. These men have been followed repeatedly since their birth. In brief, we have data from birth certificates (1953) which include information on birth dimensions and father’s occupation. In 1965, 7,987 participated in a school-based survey and completed tests of cognition and enquiries regarding leisure-time activities and social aspirations. Data from draft board examinations at around age 19 have been collected for 11,108 of the men. These data include cognitive testing and health information. In 2004, 6,292 of the men responded to a mailed questionnaire with questions on health and lifestyle. In 2009-2010, 2486 of 7799 eligible cohort members participated in the Copenhagen Ageing Midlife Biobank (CAMB) study which comprised questionnaires, cognitive and physical testing as well as blood sampling. Further, around 300 men selected on their young adult and current cognitive performance have been through a neurophysiological examination including EEG, MRI, fMRI and sleep tests. The cohort has also been followed in nation-wide social and health registers for social life, medical and mental hospital diagnosis as well as cause of death from 1969 to 2016.

Last Update 21/09/2017

The PROTECT Study will gather data and support innovative research to improve our understanding of the ageing brain and why people develop dementia.

We know that certain factors such as exercise, smoking and blood pressure affect our risk of dementia, and there is increasing evidence that our genes also play a role.

Participants in PROTECT will provide information about themselves and complete online assessments to measure their abilities such as memory and reasoning. By repeating these assessments each year we will monitor how they change over the study. Participants will also provide a sample of their DNA through a simple at-home kit. PROTECT participants will also have the opportunity to take part in innovative studies to answer crucial questions such as:

  • How do key measures, such as memory, language and reasoning change over time as we age
  • How do our lifestyle choices, including our exercise habits and diet affect our risk of dementia
  • What role do genetics play in the ageing brain? How do they affect how our brain functions and what is their influence on development of dementia?
  • What are the early signs of dementia and how can they be distinguished from normal ageing
  • What approaches can be delivered online to influence the ageing process and the development of dementia?

Last Update 21/09/2017

The Irish Longitudinal Study on Ageing (TILDA) is a large-scale, nationally representative, longitudinal study on ageing in Ireland, the overarching aim of which is to make Ireland the best place in the world to grow old.
TILDA collects information on all aspects of health, economic and social circumstances from people aged 50 and over in a series of data collection waves once every two years. TILDA is unique amongst longitudinal studies in the breadth of physical, mental health and cognitive measures collected. This data, together with the extensive social and economic data, makes TILDA one of the most comprehensive research studies of its kind both in Europe and internationally.

Last Update 21/09/2017