TY  - GEN
AU  - Beckett,L A
AU  - Brock,D B
AU  - Lemke,J H
AU  - Mendes de Leon,C F
AU  - Guralnik,J M
AU  - Fillenbaum,G G
AU  - Branch,L G
AU  - Wetle,T T
AU  - Evans,D A
TI  - Analysis of change in self-reported physical function among older persons in four population studies
SN  - 0002-9262
PY  - 1996///0529
KW  - Activities of Daily Living
KW  - Aged
KW  - Aged, 80 and over
KW  - Aging
KW  - Cross-Sectional Studies
KW  - Persons with Disabilities
KW  - statistics & numerical data
KW  - Female
KW  - Follow-Up Studies
KW  - Humans
KW  - Longitudinal Studies
KW  - Male
KW  - Markov Chains
KW  - Models, Statistical
KW  - Physical Fitness
KW  - Sex Characteristics
KW  - United States
N1  - Publication Type: Journal Article; Research Support, U.S. Gov't, P.H.S
UR  - https://doi.org/10.1093/oxfordjournals.aje.a008814
ER  -