Assessment of potential bias from non‐participation in a dynamic clinical cohort of long‐term childhood cancer survivors: Results from the St. Jude lifetime cohort study
Pediatric Blood & Cancer2012Vol. 60(5), pp. 856–864
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Rohit P. Ojha, S. Cristina Oancea, Kirsten K. Ness, Jennifer Q. Lanctot, Deo Kumar Srivastava, Leslie L. Robison, Melissa M. Hudson, James G. Gurney
Abstract
Our results indicate a lack of substantive differences in the relative frequencies of demographic, disease, or neighborhood characteristics between participants and the source population in SJLIFE, thus alleviating serious concerns about selective non-participation in this cohort. Bias in specific exposure-outcome relations is still possible and will be considered in individual analyses.
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