The data is age stratified. Wrt different levels of health, yes, but there's some good analysis of this that shows it looks like the least healthy aren't vaccin

The data is age stratified. Wrt different levels of health, yes, but there's some good analysis of this that shows it looks like the least healthy aren't vaccinated at all (probably because they're already dying) and this creates an artificial boost to the vaccines effectiveness against death. In the UK at least.