The Gerontologist, Vol 32, Issue 2 159-163, Copyright © 1992 by The Gerontological Society of America

ARTICLES

A longitudinal approach to modeling outcomes in a nursing home study

LJ Brant, PS German, BW Rovner, LC Burton, JD Pearson and RD Clark
Gerontology Research Center, National Institute on Aging, Baltimore, MD 21224.

Recent developments in longitudinal statistical methodology have improved our ability to model dynamic processes such as adaptation to nursing homes. Longitudinal observations provide information on individual patterns of change and factors affecting them. However, longitudinal analyses are often complicated by unequal periods of observation and individual variability in patterns of change. This paper demonstrates the use of a linear mixed-effects model to study adaptation in a longitudinal nursing home study with different numbers of repeated measurements for each individual because of discharges, transfers, and mortality.

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