That article states that obesity was a risk factor in 34% of deaths under 65. The US obesity rate is 42% (EDIT: 36%, 42% is the adult rate). I'm not sure how to

That article states that obesity was a risk factor in 34% of deaths under 65. The US obesity rate is 42% (EDIT: 36%, 42% is the adult rate). I'm not sure how to interpret that.