What is the appropriate statistical test to assess whether there is an association between obesity status (normal weight, overweight, obese) and 5-year incident cardiovascular disease (CVd.? Suppose each participant’s obesity status (category) is known along with whether they develop CVD over the next 5 years or not.
The most appropriate test will be the Log-Rank test to assess whether there is an association between obesity status (normal weight, overweight, obese) and 5-year incident cardiovascular disease (CVD). Since this problem is a time to event analysis, the log-rank test is suitable here, which is a non-parametric test used to compare the survival distributions of two samples.
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