Long Life Family Study (LLFS)

GENERAL
Year
2005
Country
Denmark & USA
STUDY DETAILS
Waves

6 Waves: 2005-2009

In Phase 2 all surviving participants completed an annual follow-up interview in the years 1, 2, 3, 4, 5, and 6 after the initial in-home assessment.

Sample size

USA: 4.923 individuals from 535 families
Denmark: 1.268 from 76 families

Sample population
Sample residence
Survey mode

Quantitative: Surveys

Longitudinal or cross-section study

Longitudinal

Data sources

Physical ability tests, medical Assessments

Main topics

Family; Health; Medication Inventory; Hospitalizations; Self-rated Health; Activities of Daily Living (ADL); Education; Occupation; Living Habits; Personality (NEO-FFI); Depression (CES-D); Psychological and physical Health; Health habits and sleep

Goals

Current status and progress review

Scientific domain

Medicine

Age studies subcategories
Family Study
INSTITUTION
Institution
Contact

Prof. Kaare Christensen, MDSc

kchristensen@health.sdu.dk

LINKS / PUBLICATIONS
Links

https://www.sdu.dk/en/llfs

Publications

Sebastiani, P., Hadley, E.C., Province, M., Christensen, K., Rossi, W., Perls, T.T., & Ash, A.S. (2009). A family longevity selection score: ranking sibships by their longevity, size, and availability for study. Am Journal of Epidemiology, 170(12), 1555-1562. doi: 10.1093/aje/kwp309. Epub 2009 Nov 12. PMID: 19910380; PMCID: PMC2800272