They claim that was adjusted for socioeconomic status. Rather than being a matter of better access to health care etc, I suspect a reverse causation -- people

They claim that was adjusted for socioeconomic status. Rather than being a matter of better access to health care etc, I suspect a reverse causation -- people who are in poor health are less likely to go out to the golf course. The same applies to Vitamin D, taking international flights, and reading books, all of which are correlated with reduced death rates.