used
NHANES linked NDI mortality file with
follow-up through 2000 and found that grades
II and III obesity were associated with a significantly
higher rate of all-cause mortality among
adults aged 25 to 59 years and 60 to 69 years
compared with their normal-weight counterparts.
For CVD, studies consistently found
associations between obesity (regardless of
grade) and mortality risk among adults aged 25
years and older, younger adults (aged 18---39
years), and older adults (aged > 60 years).