https://blackboardmasters.com/wp-content/uploads/2019/11/logo2-300x75.png 0 0 Admin https://blackboardmasters.com/wp-content/uploads/2019/11/logo2-300x75.png Admin2018-03-20 10:56:092018-03-20 10:56:09Which of the following types of problems were likely avoided by this method of data collection, and why?
1) A study followed 900,000 US adults from 1992 to 2008. At baseline, all participants were screened and determined to be cancer free and their body mass index (BMI) was calculated. Body mass index is a measure of obesity that is calculated using a person’s height and weight. Subjects were separated into the following groups according to their BMI: (a) normal weight, (b) slightly overweight, (c) moderately overweight and (d) greatly overweight. 57,145 deaths from cancer occurred in the population during the follow-up period. . The following results were seen for men and women when the heaviest members of the cohort (greatly overweight) were compared to those with normal weight:
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