Assignment task: Interpret the following risk ratios in words.
A risk ratio = 1.0 in a study where researchers examined the association between consuming a certain herbal supplement (the exposure) and developing arthritis.
A risk ratio = 2.6 in a study where researchers examined the association between ever having texted while driving (the exposure) and being in a car accident.
A risk ratio = 0.75 in a study where researchers examined the association between ≥ 30 minutes of daily exercise (the exposure) and heart disease.