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October 24, 2014

Homework Help: statistics

Posted by Anonymous on Monday, January 14, 2013 at 6:28pm.

Prospective Cohort Study

The following tables show the crude and sex-specific results from a Prospective Cohort Study that examines the association between a binary exposure (E) and the development of a disease (D) during 20 years of follow-up.

Full Data:


Sex-Specific Data:

Males
1. Assume that this cohort is a simple random sample from a broader population of interest. Model the number of disease positive individuals among all exposed individuals in the sample using the binomial distribution with probability of disease ; and model the number of disease positive individuals among the unexposed in the sample using a binomial distribution, with probability of disease . Estimate , the proportion of exposed individuals who are disease positive, and provide an exact 95% confidence interval.

Estimated Proportion:

unanswered

Confidence Interval:

Lower Bound:

unanswered

Upper Bound:

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