In a study examining time-to-onset of cancer after exposure to UV light in rats, age (months) was
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In a study examining time-to-onset of cancer after exposure to UV light in rats, age (months) was used as a covariate in a Cox regression model. In the model, the parameter estimate for weight was .19 and had a p-value of .021. Provide an interpretation of this parameter estimate in terms of the hazard ratio.
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Biostatistics A Foundation For Analysis In The Health Sciences
ISBN: 9781118302798
10th Edition
Authors: Wayne W. Daniel, Chad L. Cross
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