Study design

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

The Lc65+ cohort consists of three successive samples randomly selected every 5 years from the Lausanne city population office.

Subjects, approximately 1,500 in each sample, are enrolled according to two criteria: a private home address in the city of Lausanne and a year of birth defined by the year of enrollment.

Two exclusion criteria apply: presence of severe cognitive troubles precluding a response to questionnaires and end-of-life situations.

 

Sample Enrolement year Birth year
1
(before World War II)
2004 1934-1938
2
(during World War II)
2009 1939-1943

3
(baby-boom)

2014

1944-1948

 

Three successive samples were randomly selected every 5 years :

 

 

 

 


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Access reserved for researchers to obtain information on :

  • Variable dictionary

  • All existing questionnaires and interview reports

  • Naming rules

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Lc65+ study

The Lausanne cohort 65+ (Lc65+) study is a research platform that aims to gain new knowledge on frailty in the general population from the age of 65 years onwards. Manifestations of frailty, medical and psycho-social risk factors, and the effects of frailty on health, functional status, and use of health services are central to the research conducted in the Lc65+ project.

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