A key challenge lies in preventing the loss of autonomy and promoting healthy aging-a concept now widely addressed through multidimensional and multidisciplinary approaches, as evidenced by frailty models, comprehensive geriatric assessment practices, and the WHO's "intrinsic capacity" model. That said, there is a need to assess in greater detail the extent to which individual factors contribute to health trajectories and to move further by adopting a systemic approach that examines not only the relationships between variables but also their complex interactions. The aim of this study is to identify the multidimensional determinants (medical, physical, nutritional, sensory, psycho-cognitive, psychosocial, and socioeconomic) associated with the autonomy and quality of life of older adults and those who are aging.
Age 55 years or older
Affiliation with or beneficiary of a social security scheme
No objection to the study
Persons protected by law, under guardianship or curatorship,
Persons deprived of liberty
Single group
Health assessment
Other interventionQuestionnaires and tests on health behaviors and health
assessment of Autonomy
Autonomy is assessed using the Instrumental Activities of Daily Living (IADL) Scale of Lawton. The scale comprises 8 items. The total score ranges from 0 to 8, with a higher score being better.
Quality of life
Quality of life is assessed using the EuroQol at 5 dimensions (EQ-5D) questionnaire. The scale comprises 5 items. Each item is scored from 1 "no problem" to 3 "severe problem". The total score ranges from 5 to 15 with higher score indicating a worse outcome.
Daily Physical activity Practice (physical behavioral lifestyle measure
Daily Physical activity Practice is assessed using the Marshall questionnaire comprising 2 items. The total score ranges from 0 to 8. A higher score means a higher level of physical activity. The cut of 4 correspond to "sufficiently active".
Sarcopenia (physical measure)
Sarcopenia is assessed using the SARC-F questionnaire comprising 5 items assessing force, walk difficulties, stand up capacities, climb stairs capacities and fall. Each item is scored from 0 to 2. The total score ranges from 0 to 10 with higher score indicating a worse outcome
Physical functional force (physical measure)
Physical functional force is assessed using the 5 sit-to-stand test wich consists of asking the participant to stand up and sit down from a chair 5 times as quickly as possible. The outcome is the time taken to complete the test, and the unit of measurement is seconds.
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