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The Validation of Longitudinal Studies: The Case of the Ontario Longitudinal Study of Aging (LSA).

Published online by Cambridge University Press:  29 November 2010

W.F. Forbes ,
B.D. McPherson  and
M.A. Shadbolt-Forbes
W.F. Forbes
Affiliation:
University of Waterloo
B.D. McPherson
Affiliation:
University of Waterloo
M.A. Shadbolt-Forbes
Affiliation:
University of Waterloo
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Abstract

Longitudinal studies are examined with special reference to the Ontario Longitudinal Study of Aging (LSA). The specific aspects discussed are the representativeness of the sample, attrition rates, end-points, and associations, particularly the associations with age. It is concluded that, in comparison with other longitudinal studies, both in Canada and the U.S., the LSA represents a good source of longitudinal data and therefore lends itself to analyses which may be used to investigate factors expected to be important in understanding various aspects of the aging process.

Résumé

Les études longitudinales sont examinées, plus particulièrement en rapport à l'Ontario Longitudinal Study of Aging (LSA). Pluşieurs aspects sont discutés, dont la représentativité de l'échantillon, les taux d'attrition, les résultats, et les associations, en particulier les associations à l'âge. En conclusion, comparé à d'autres études longitudinales effectuées au Canada et aux Etats-Unis, le LSA s'avère une importante source de donnéees longitudinales et se prête donc bien aux analyses qui peuvent servir dans l'étude des facteurs soi-disant importants favorisant une compréhension accrue de tous les aspects du vieillissement.

Keywords

longitudinal studiesrepresentativenessdrop-out ratesend-pointsassociations with age.
Type
Articles
Information
Canadian Journal on Aging / La Revue canadienne du vieillissement , Volume 8 , Issue 1 , Spring/printemps 1989 , pp. 51 - 67
Copyright
Copyright © Canadian Association on Gerontology 1989

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