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Centre for Policy on Ageing | |
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| Comparison of cross-sectional and longitudinal designs in the study of aging of upper extremity performance | | Author(s) | Johanne Desrosiers, Réjean Hébert, Gina Bravo |
| Journal title | The Journals of Gerontology Series A: Biological Sciences and Medical Sciences, vol 53A, no 5, September 1998 |
| Pages | pp B362-B368 |
| Keywords | Physical capacity ; Biological ageing ; Cross sectional surveys ; Longitudinal surveys ; Methodology ; Canada. |
| Annotation | Cross-sectional and longitudinal research designs are compared in the context of upper extremity performance and age-related changes. Upper extremity performance of 360 randomly recruited healthy, older Canadians living in the community was evaluated with reliable and valid sensorimotor tests. Three years later, 264 survivors were re-evaluated with the same tests. In many tests, cross-sectional and longitudinal designs were comparable for estimating changes in upper extremity performance with age. However, in some tests, the decline with age using a cross-sectional design was underestimated. The upper extremity performance decline observed with the longitudinal design was greater than the decline predicted with the cross-sectional design. The withdrawal of survivor biases inherent in longitudinal design and cohort bias associated with cross-sectional design may, in part, explain these results. (RH). |
| Accession Number | CPA-990225221 A |
| Classmark | BI: BH: 3KB: 3J: 3D: 7S |
Data © Centre for Policy on Ageing |
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| ...from the Ageinfo database published by Centre for Policy on Ageing. |
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