While the comparison with the general population is interesting, I would also like to see a comparison with Olympic athletes in general.
To be an Olympics athlete, even without doping, you have to be an outlier physically. In addition, even without doping, there is an intensive training regimen and specialized diet. There is also ultra competitive environment and high stress of competing in front of the whole world and knowing that a fraction of a second may be all the difference between glory winning the gold medal and the obscurity of 4th place. Finally, there is the whiplash where for a few weeks you are the center of attention and then when the Olympics are over, are more or less forgotten, even if you did win the gold.
This environment is pretty likely to have physical and psychological consequences, even apart from the doping, and it would be interesting to see what they are in comparison to doping.