TABLE 3—

Years of Perfect Health, Life Expectancy, and Quality-Adjusted Life Expectancy Among US Adults, by Body Mass Index

	Men			Women
Body mass index	23 to < 25	25 to < 30	≥ 30	23 to < 25	25 to < 30	≥ 30
Life expectancy at birth	74.1	73.8	71.5	80.8	79.6	78
Life expectancy at age 18 y	57	56.7	54.3	63.5	62.4	60.7
Quality-adjusted life expectancy at age 18 y	50.5	50	46.1	55.6	52.7	48.4

Note. BMIs were based on National Health Interview Survey–National Death Index data19^,20 and 2000 life tables obtained from the National Center for Health Statistics.24