[Solution] You design weight loss intervention and recruit the obese participants from your study to participate. Participants are randomized to receive the
Question: You design weight loss intervention and recruit the obese participants from your study to participate. Participants are randomized to receive the new intervention versus a membership in weight watchers (one current standard care) and followed for 4-years. You want to know if the new intervention you designed helps people lose weight until they are no longer obese (until BMI<30) faster than weight watchers (i.e. shorter time to BMI<30). What form of regression should you use for this analysis (e.g. Cox proportional hazards, logistic regression or linear regression)?
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