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The retention of older people in longitudinal studies: a review of the literature
- Authors:
- BHAMRA Suneeta, et al
- Journal article citation:
- Quality in Ageing, 9(4), December 2008, pp.27-35.
- Publisher:
- Pier Professional
- Place of publication:
- Brighton
This research draws on evidence from ongoing and previous longitudinal studies of people aged 55 and over to examine what factors encourage the retention of participants and what causes them to drop out. This article reports on the first part of the research by drawing together evidence from other studies. These show that there are some factors that are related to attrition whereas for other evidence is mixed. It is noted that apart from the consistent finding that attrition is associated with age, education, socio-economic status and cognitive impairment, not all studies examined the same variables; some only being explored in one study. This makes it difficult to draw any further conclusions and indicates that attrition needs to be addressed in a uniform manner by more studies.