Question 7 1 pts A study was conducted to investigate whether obesity increases the risk of developing osteoarthritis. Forty obese, but otherwise healthy, adults and 60 healthy adults with a healthy weight were recruited. The study finds that of those who are obese, 9 developed dementia; and of those who are not obese, 11 developed dementia. Calculate the relative risk of osteoarthritis among obese adults compared to those with a healthy weight. (Round to 2 decimal places.) O 1.23 O 0.55 O 0.23 O 0.82 O 1.29 O 0.04