IJE Advance Access originally published online on July 29, 2009
International Journal of Epidemiology 2009 38(5):1322-1323; doi:10.1093/ije/dyp264
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Published by Oxford University Press on behalf of the International Epidemiological Association © The Author 2009; all rights reserved.
Commentary: Strengths and limitations of the discordant twin-pair design in social epidemiology. Where do we go from here?
1 Danish Ageing Research Centre, Institute of Public Health, University of Southern Denmark, Odense, Denmark.
2 Research Center for Prevention and Health, Glostrup University Hospital, Glostrup, Denmark.
* Corresponding author. Research Center for Prevention and Health, Glostrup, University Hospital, 2600 Glostrup, Denmark. E-mail: m.osler@pubhealth.ku.dk
Accepted 23 June 2009
| The first 10% of the full text of this article appears below. |
It has become increasingly recognized that many of the associations between various exposures and health outcomes measured in adulthood are confounded by social and behavioural factors acting early in life,1 and recent research has questioned whether socio-economic position (SEP) in adulthood in fact has an additional impact on adult health beyond the influence of one's childhood environment and genetic make-up.2
The traditional way to examine the independent influence of adult SEP on differences in health outcomes is to use multivariable models, which mutually adjust for early and late social
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